| ABB RESEARCH LTD Patent applications |
| Patent application number | Title | Published |
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| 20120123603 | SUBSTATION AUTOMATION SYSTEM WITH PROTECTION FUNCTIONS - A Substation Automation (SA) system is configured to perform protection functions for a bay of an electrical power distribution substation, receive, via a communication link, redundancy protection commands from a remote center, and execute the redundancy protection commands for the bay. The SA system is configured to transmit to a redundant protection server of the remote center, process values measured by measurement equipment of the substation, and to receive, from the redundant protection server, and forward, via the process bus, the received redundancy protection commands directed to operating equipment of the substation. Thus, for multiple SA systems, redundant protection functions are implemented and provided cost-efficiently by one common remote central unit. | 05-17-2012 |
| 20120116542 | PROCESS CONTROL OVERVIEW ON A SUPERVISORY CONTROL SYSTEM DISPLAY UNIT - A method for enabling supervision of a technical system and a supervisory control system for supervising a technical system are provided. An overview picture of the technical system is shown on a display unit and the overview system receives input signals indicating a selection of at least one object of interest shown in the overview picture. In response to these input signals, a detailed information view is displayed at least partly overlapping the overview picture, where the detailed information view is associated with the object and includes detailed information of the object. | 05-10-2012 |
| 20120113555 | FAULT INTERRUPTING DEVICES AND CONTROL METHODS THEREFOR - Fault interrupting devices and methods for controlling the same are disclosed. The fault interrupting devices may include a switch on an electrical power line and a controller configured to operate the switch. The methods for controlling fault interrupting devices may include gathering data, determining from the data that a fault has occurred, opening the fault interrupting device to interrupt the fault, analyzing the data, and determining whether the fault interrupting device can be reclosed based at least partially on the analysis of the data. | 05-10-2012 |
| 20120111605 | CURABLE SOL-GEL COMPOSITION - Curable sol-gel composition useful for modifying the surface of a conventional electrical insulation system and providing said surface with an improved tracking and erosion resistance, wherein said sol-gel composition includes: (a) cyclo-aliphatic epoxy resin compound containing at least two 1,2-epoxy groups per molecule [component (a)]; (b) a glycidoxypropane-tri(C | 05-10-2012 |
| 20120098577 | GATE DRIVER UNIT FOR ELECTRICAL SWITCHING DEVICE - An exemplary apparatus and method for using intelligent gate driver units with distributed intelligence to control antiparallel power modules or parallel-connected electrical switching devices like IGBTs is disclosed. The intelligent gate drive units use the intelligence to balance the currents of the switching devices, even in dynamic switching events. The intelligent gate driver units can use master-slave or daisy chain control structures and instantaneous or time integral differences of the currents of parallel-connected switching devices as control parameters. Instead of balancing the currents, temperature can also be balanced with the intelligent gate driver units. | 04-26-2012 |
| 20120097369 | HEAT EXCHANGER - The disclosure relates to a heat exchanger including at least a first group and a second group of channels arranged to provide fluid paths between a first end and a second end of the heat exchanger. Connecting parts are arranged at the first end and at the second end of the heat exchanger. A first heat transfer element transfers a heat load to fluid, and a second heat transfer element transfers a heat load from the fluid. The channels have capillary dimensions. The connecting parts include fluid distribution elements, and the first and second heat transfer element contact all channels | 04-26-2012 |
| 20120095707 | Method for Identifying Type of Fault on Power Line - A method for identifying the type of faults occurred on a power line, characterized in that it comprises: calculating a fault point voltage on fault points based on terminal voltage and fault locations of the power line; adopting the fault point voltage corresponding to a maximum transition resistance as a setting value; comparing the fault point voltage on fault points with the setting value; and identifying the type of fault as a permanent type or a transient type based on the result of the comparison. | 04-19-2012 |
| 20120092904 | COORDINATED CONTROL OF MULTI-TERMINAL HVDC SYSTEMS - Multi-terminal HVDC systems and control methods therefore are disclosed. Methods for controlling multi-terminal HVDC systems having a plurality of converter stations may include receiving a plurality of measurements from a plurality of measurement units disposed on the HVDC system, identifying from the measurements a disruption within the HVDC system, monitoring the measurements to identify a steady-state disrupted condition for the HVDC system, calculating a new set point for at least one of the plurality of converter stations, which new set point may be based on the steady-state disrupted condition and the measurements, and transmitting the new set point to the at least one of the plurality of converter stations. In some examples, the HVDC systems may include an HVDC grid interconnecting the plurality of converter stations and a controller communicatively linked to the plurality of measurement units and the plurality of converter stations. | 04-19-2012 |
| 20120089262 | INTELLIGENT PROCESS INTERFACE AND SUBSTATION AUTOMATION SYSTEM - This specification discloses an intelligent and digitalized process level interface which is referred to herein as an Intelligent Process Interface (IPI). The input of the IPI includes both analog and digital channels and therefore the IPI can be used for substations in transition or retrofit stages with both conventional and non-conventional primary devices. The IPI acts not only as a digitalized interface, but also as an intelligent supervisory and control unit for switching functions. The architecture of the IPI is flexible and allows for the functionality to be distributed to several devices. | 04-12-2012 |
| 20120080168 | THERMOELECTRIC ENERGY STORAGE SYSTEM WITH AN INTERMEDIATE STORAGE TANK AND METHOD FOR STORING THERMOELECTRIC ENERGY - A system and method are provided for storing electric energy in the form of thermal energy. A thermoelectric energy storage system includes a working fluid circuit for circulating a working fluid through a heat exchanger, and a thermal storage medium circuit for circulating a thermal storage medium. The thermal storage medium circuit includes at least one hot storage tank, an intermediate temperature storage tank, and a cold storage tank connected together via the heat exchanger. A proportion of the storage medium is redirected to or from the intermediate storage tank from or to the hot or cold storage tank, joining another proportion which flows directly between the cold and hot storage tank. | 04-05-2012 |
| 20120069602 | METHOD AND ARRANGEMENT FOR TRACKING THE MAXIMUM POWER POINT OF A PHOTOVOLTAIC MODULE - A method and apparatus of tracking the maximum power point of a photovoltaic module. The method includes measuring an output voltage of the photovoltaic module, determining an output voltage of the inverter connected to the photovoltaic module, and measuring output current of the inverter connected to the photovoltaic module. A variable relating to energy of the capacitor is defined using the measured PV module output voltage, and a second harmonic component is extracted from the defined variable. A second harmonic component of the module output power is estimated using the defined variable, measured output current of the inverter, and the determined output voltage of the inverter. The estimated and extracted second harmonic components are multiplied, and a DC component is extracted from the product. A control signal for controlling the inverter connected to the photovoltaic module is formed by using the extracted DC component in a PI algorithm. | 03-22-2012 |
| 20120062383 | METHOD FOR DETERMINING OPERATOR CONDITION, DEVICE THEREFROM AND THEIR USE IN ALARM RESPONSE SYSTEM IN A FACILITY - A method is disclosed for alarm distribution, the method including receiving one or more physiological parameters of one or more operators; detecting a condition of the one or more operators based on the one or more physiological parameters; deciding the condition of the one or more operators; and generating an operator alarm response based on the condition of the one or more operators. An intelligent alarm device is also disclosed that can utilize the method described herein. A processor is disclosed for intelligent alarm distribution to one or more operators determined to be in a fit condition. | 03-15-2012 |
| 20120060501 | THERMOELECTRIC ENERGY STORAGE SYSTEM HAVING TWO THERMAL BATHS AND METHOD FOR STORING THERMOELECTRIC ENERGY - An exemplary system and method for storing and retrieving energy in a thermoelectric energy storage system is disclosed. The thermoelectric energy storage system includes a working fluid that is circulated through a first and second heat exchanger, and a thermal storage medium that is circulated through the first heat exchanger. The second heat exchanger is in connection with a first thermal bath during a charging cycle and with a second thermal bath during a discharging cycle. In this way roundtrip efficiency is improved through minimizing the temperature difference between the first thermal bath and the hot storage tank during charging, and maximizing the temperature difference between the second thermal bath and the hot storage tank during discharging. | 03-15-2012 |
| 20120059516 | DAMAGE-PREVENTING SYSTEM FOR MANIPULATOR - An industrial robot with a manipulator arm including at least one manipulator element and an electric motor driving the at least one manipulator element. An energy reservoir supplies the electric motor with electricity when a power failure or power loss occurs to move the manipulator element from a working position to a safe parking position. Also a method of parking a manipulator arm of an industrial robot. | 03-08-2012 |
| 20120043994 | CURRENT BALANCING OF PARALLEL CONNECTED SEMICONDUCTOR COMPONENTS - A method and an arrangement are provided for balancing the switching transient behavior of parallel connected power semiconductor components. The method includes providing a switch signal to the parallel connected power semiconductor components for changing the state of the components, forming control signals for each of the parallel connected components from the switch signal, and determining, during the change of state of the power semiconductor component, the voltage induced to an inductance in the main current path of the component in each of the parallel connected components. The method also includes comparing each of the induced voltages with a predetermined threshold voltage, measuring time differences between the time instants at which the induced voltages crosses the threshold voltage, and modifying one or more of the control signals on the basis of the measured time differences in the respective following state change for balancing the switching transient behavior. | 02-23-2012 |
| 20120041576 | OPERATOR TERMINAL IN A PROCESS CONTROL SYSTEM - The present invention relates to a method of enabling an operator to make control or protection related decisions in a process control system, an operator terminal in a process control system as well as to a computer program product for such an operator terminal. The method includes the steps receiving ( | 02-16-2012 |
| 20120037599 | CIRCUIT BREAKER - An exemplary high voltage circuit breaker includes an interruption chamber that is filled with an extinguishing agent. The interruption chamber having at least two separable arcing contact pieces that are coaxially arranged and an arcing zone in which an electric arc is producible during an interruption process. The interruption chamber includes at least two inlets and at least one outlet located in between the two inlets. The inlets and the at least one outlet are connected with the arcing zone such that the electric arc is extinguishable in at least three arc interruption zones by means of extinguishing flows streaming out of the at least two inlets into the arcing zone upon pressurization and introduction of a portion of the extinguishing agent in the arcing zone, and leading an amount of the extinguishing flows through the outlet out of the arcing zone. | 02-16-2012 |
| 20120033461 | CONTROLLING A HIGH-VOLTAGE DIRECT-CURRENT (HVDC) LINK - The present disclosure is directed to a High Voltage Direct Current (HVDC) link with Voltage Source Converters VSC and interconnecting two power systems. A model-predictive control with a receding horizon policy is employed for controlling the outer loop of a two-loop or two-layer control scheme or setup for the HVDC link. The two-loop control scheme takes advantage of the difference in speed of the dynamics of the various system variables of the HVDC link and the interconnected power systems. Model-based prediction representative of the interconnected power systems' behavior enables comparison of the future effect of different control inputs applied within the control scheme, while taking into account any physical, safety and operating constraints. It is valid for a complete operating range, e.g., it avoids performance degradation when moving away from the nominal operating point of the control scheme for a HVDC link. | 02-09-2012 |
| 20120025751 | PHOTOVOLTAIC SYSTEM - A photovoltaic system for generating an output voltage that is uninfluenced by varying irradiation, includes a photovoltaic source having an input terminal and an output terminal. The photovoltaic system includes a voltage adding arrangement having a first input terminal and an output terminal. The voltage adding arrangement is connected in series with the photovoltaic source, and includes a first route having a voltage source and a second route as a voltage source bypass. The first and second routes extend between the first input terminal and the output terminal of the voltage adding arrangement. The first and second routes being alternately activateable. | 02-02-2012 |
| 20120025151 | CURABLE EPOXY RESIN COMPOSITION - Curable epoxy resin composition including an epoxy resin component and a filler component and optionally a hardener component and further additives, wherein (a) the curable epoxy resin composition has been produced by separately mixing together at least a part of the epoxy resin component and at least a part of the filler component and optionally some or all of the optional additives, prior to mixing theses components with the optional hardener component and with any remaining optional additives present in the curable epoxy resin composition, and that (b) the mixing together of at least a part of the epoxy resin component and at least a part of the filler component and optionally some or all of the optional additives has been carried out at a temperature higher than the casting temperature of the curable epoxy resin composition, and electrical insulation systems made therefrom. | 02-02-2012 |
| 20120023058 | SYSTEMS AND METHODS FOR MONITORING AUTOMATION SYSTEMS - Systems and methods are disclosed for monitoring operation of an automation system that includes a plurality of interconnected logical objects. The systems and methods may build a fuzzy cognitive map to model an interdependence of the plurality of interconnected logical objects upon one another. In some examples, the systems and methods may identify a non-ideality associated with at least one of the plurality of logical objects and determine from the fuzzy cognitive map an effect of the non-ideality on the operation of the automation system. In some examples, the systems and methods may determine from the fuzzy cognitive map a first one of the plurality of logical objects that affects a second one of the plurality of logical objects to a greater extent than do the remaining ones of the plurality of logical objects. | 01-26-2012 |
| 20120010830 | SYSTEMS AND METHODS FOR CLASSIFYING POWER LINE EVENTS - Systems and methods for classifying power line events are disclosed. Classifying power line events may include receiving measured data corresponding to a signal measured on a power line, such as proximate a substation bus or along the power line, determining from the measured data that the power line event has occurred, extracting at least one event feature from the measured data, and determining at least partially from the at least one event feature at least one probable classification for the power line event. The systems may include an Intelligent Electronic Device (IED) connected to the power line and a processor linked to the IED. | 01-12-2012 |
| 20120004869 | SYSTEMS AND METHODS FOR POWER LINE EVENT ZONE IDENTIFICATION - Systems and methods for power line event zone identification are disclosed. Power line event zone identification may include receiving measured data corresponding to a signal measured on a power line, determining from the measured data that a power line event has occurred, and identifying a probable one of at least two monitoring zones in which the power line event occurred. The at least two monitoring zones may be defined for an Intelligent Electronic Device (IED). The systems may include an IED connected to the power line and a processor linked to the IED. | 01-05-2012 |
| 20120004867 | SYSTEMS AND METHODS FOR CHARACTERIZING FAULT CLEARING DEVICES - Systems and methods for characterizing a device that operated to clear a fault in a power line, such as a power distribution system feeder, are disclosed. Characterizing the device may include receiving measured data corresponding to a current measured along the feeder proximate a substation bus, determining from the measured data that a fault has occurred in at least one phase and has been cleared, subtracting reference data from the measured data to estimate residual fault data, and estimating from the residual fault data a characteristic of the device that operated to clear the fault. The systems may include an Intelligent Electronic Device (IED) and a processor linked to the IED. | 01-05-2012 |
| 20120001199 | POWER SEMICONDUCTOR DEVICE - A bipolar power semiconductor device is provided with an emitter electrode on an emitter side and a collector electrode on a collector side. The device has a trench gate electrode and a structure with a plurality of layers of different conductivity types in the following order: at least one n doped source region, a p doped base layer, which surrounds the at least one source region, an n doped enhancement layer, a p doped additional well layer, an additional n doped enhancement layer, an additional p doped well layer, an n doped drift layer and a p doped collector layer. The trench gate electrode has a gate bottom, which is located closer to the collector side than the additional enhancement layer bottom. | 01-05-2012 |
| 20110316559 | METHOD FOR TESTING A POWER DISTRIBUTION SYSTEM AND A POWER DISTRIBUTION SYSTEM ANALYZER DEVICE - A method and analyzer device are provided for testing a power distribution system of a power supply network. A first electrical signal is transmitted into the power distribution system to be tested, the first electrical signal is propagated along the power distribution system to be tested, and a second electrical signal, which is a portion of the first electrical signal reflected within the power distribution system, is received. A signal variation parameter is measured between the first electrical signal and the second electrical signal, and a location of a critical conducting section within the power supply network is obtained from the measured signal variation parameter. A maximum load rating of the critical conducting section is determined, and a control signal for controlling the power supply network such that the power transferred on the critical conducting section does not exceed the maximum load rating. | 12-29-2011 |
| 20110307936 | NETWORK ANALYSIS - A method and system are provided for analyzing a network. The method and system convert network specification information into a single intermediate representation of the network. The intermediate representation can then be used to determine security parameters as well as expected data traffic parameters. | 12-15-2011 |
| 20110307114 | SUBSTATION AUTOMATION DEVICE AND SYSTEM - Exemplary embodiments provide separate SA system-level functionalities or tasks, which are conventionally performed by a multitude of distinct station-level devices, through a single SA device having a plurality of Processing Units (PU). The latter are either distinct Central Processing Units (CPUs) mounted on the same processor board, or distinct processing cores of a single multi-core CPU sharing the same Random Access Memory (RAM). Virtualization techniques are used in supporting multiple instances of Operating Systems (OS) on the plurality of PUs, to create distinct and mutually isolated execution environments are created. Each of these execution environments hosts a single functionality out of a Supervisory Control And Data Acquisition (SCADA) functionality, a gateway functionality, an engineering workplace functionality, and a firewall functionality. | 12-15-2011 |
| 20110298575 | MAGNETIC SHUNT, MAGNETIC SHUNT ARRANGEMENT AND POWER DEVICE - A magnetic shunt is provided for magnetic shielding of a power device (e.g., a power transformer). The magnetic shunt includes magnetic flux collectors that are magnetically connected by a magnetically permeable bridge. The bridge is arranged between the magnetic flux collectors with one magnetic flux collector being placed at each end of the bridge. The cross-section of the magnetic flux collectors is larger than the cross-section of the bridge, and the magnetic shunt forms a single structural unit. A magnetic shunt arrangement and a power device which include magnetic shunts according to the present disclosure are also provided. | 12-08-2011 |
| 20110298278 | CONVERTER DEVICE AND METHOD FOR CONTROLLING A CONVERTER DEVICE - A converter apparatus and method for operating the converter apparatus are provided for producing a plurality of output voltages or a plurality of output voltage potentials at corresponding outputs. The converter apparatus includes a plurality of setting units, which are each associated with one of a plurality of input voltage sources, Each of the setting units is configured to vary an input voltage which is produced by the associated input voltage source, and to provide an intermediate voltage. The converter apparatus also includes a plurality of selection elements to which intermediate voltage potentials are each applied. The intermediate voltage potentials are defined by the intermediate voltages. Each selection element is configured to select one of the intermediate voltage potentials for outputting as the respective output voltage potential. | 12-08-2011 |
| 20110286361 | Method for Detecting Network Asymmetrical Status and Asymmetrical Communication Channels for Power System - The present invention provides a new synchronization method named Multi-Node Echo Method (MNEM), which settles the problem of clock/data synchronization with asymmetrical channels. In MNEM, the echo messages are relayed among multi-node loop both by clockwise and anti-clockwise. Based on Multi-Node Echo Method, the invention further provides a method to detect symmetrical status of a communication network, a method to detect asymmetrical status of any channel in a communication network, and a method to calculate the sending and receiving delay values of any channel in a communication network, even when the channel is asymmetrical. | 11-24-2011 |
| 20110282507 | METHOD AND APPARATUS FOR ADAPTING AT LEAST ONE SET OF PARAMETERS OF AN INTELLIGENT ELECTRONIC DEVICE - The disclosure concerns a method and an apparatus for adapting at least one set of parameters to at least one Intelligent Electronic Device (IED) of an electrical power network having a plurality of switching devices (CB). The method includes: a) reading the current network status of the electrical power network, wherein the network status includes the status of the plurality of switching devices; b) simulating at least one network fault in the electrical power network; c) deducing at least one new set of parameters for the at least one IED using a simulated fault current induced by the at least one simulated network fault under consideration of the present network status and the network topology of the electrical power network; and d) setting the at least one set of parameters in at least one of the at least one IED. The apparatus a) reads the current network status of the electrical power network, b) selects the at least one set of parameters for the at least one Intelligent Electronic Device out of a plurality of sets of parameters depending of the current network status; and c) sets the at least one set of parameters in the at least one IED. | 11-17-2011 |
| 20110278929 | PHOTOVOLTAIC SYSTEM - Exemplary embodiments of the disclosure relates to a photovoltaic system for generating an output voltage which is uninfluenced by varying irradiation. The photovoltaic system includes at least one photovoltaic unit having two photovoltaic sources, wherein each photovoltaic source includes an input terminal and an output terminal. The photovoltaic unit includes two voltage adding arrangements, each voltage adding arrangement having a first route including a voltage source and a second route including a voltage source bypass. The first voltage adding arrangement is connected in series with the first photovoltaic source and the second voltage adding arrangement is connected in series with the second photovoltaic source. A switch is arranged between an input terminal of the first photovoltaic source and an output terminal of the second photovoltaic source. The input terminals of the photovoltaic unit, which include an external interface of the photovoltaic system, are interconnected and the output terminals of the photovoltaic unit constituting the external interface of the photovoltaic system are interconnected. | 11-17-2011 |
| 20110264266 | Robot safety system and a method - A robot safety system configured to protect humans in the vicinity of a working robot ( | 10-27-2011 |
| 20110257806 | IED FOR, AND METHOD OF ENGINEERING, AND SA SYSTEM - Intelligent Electronic Devices (IEDs) for Substation Automation (SA), such as bay units or substation PCs, are equipped with a Central Processing Unit CPU that includes a first processing core dedicated and configured to execute Protection and Control applications, and a second processing core, or network core, dedicated and configured to handle or decode network communication traffic. The network core performs computationally expensive pre-processing and/or post-processing functionality on top of the 9-2 communication stack. A plurality of network cores or a plurality of network interfaces may be provided to cope with the expected amount of IEC 61850 9-2 traffic. | 10-20-2011 |
| 20110257766 | SYSTEM AND A METHOD FOR CONTROL AND AUTOMATION SERVICE - The present disclosure relates to exemplary systems for providing control and expert services over a communication network by specialized service providers to various kinds of automation needs and methods thereof. The arrangement allows sharing of automated control system components among one or multiple users. Methods to configure and use control and automation service are also described. Exemplary systems for control and automation service as disclosed herein can have greater flexibility and simplicity from the plant user perspective. | 10-20-2011 |
| 20110251810 | METHOD AND SYSTEM FOR POWERLINE LENGTH MEASUREMENT - A method and system are provided for determining a length quantity of a power transmission line, which connects a first location with a second location. A first signal having a first carrier frequency is provided at the first location. The first signal is transmitted from the first location to the second location via the power transmission line. A second signal having a second frequency is provided at the second location. A first phase difference between the first signal and the second signal is measured at the second location, and the length quantity is calculated from the measured phase difference. In the system, a second receiver at the second location is configured to receive the first signal having the first carrier frequency from the first location. A frequency generator creates the second signal having the second frequency at the second location. The receiver includes a phase detection device configured to detect a first phase difference between the second frequency and the first carrier frequency at the second location. | 10-13-2011 |
| 20110248178 | OXYGEN CONCENTRATION MEASURING DEVICE - An oxygen concentration measuring device is provided for determining an oxygen concentration of a gas in a sample volume. The device includes an optical device configured for irradiating the sample volume containing oxygen with a first UV radiation intensity, at least one wavelength of which is close to a spectral absorption line of oxygen, a magnetic field generator configured for applying a magnetic field at the sample volume, and a UV light detector configured for measuring a second UV radiation intensity coming from the sample volume. The oxygen concentration in the sample volume is determined on the basis of the applied magnetic field and the measured second UV radiation intensity. | 10-13-2011 |
| 20110241652 | METHOD AND ARRANGEMENT FOR ESTIMATING ANGULAR FREQUENCY - An exemplary method and arrangement for estimating the frequency and the positive sequence of a fundamental component of a measured three-phase voltage are disclosed (ν | 10-06-2011 |
| 20110238329 | Method and a device for detecting abnormal changes in play in a transmission unit of a movable mechanical unit - The present invention relates to a method and a device for detecting abnormal changes in play in a transmission unit configured to transfer rotational movements of a motor, having a speed of rotation that depends on a torque reference signal (T | 09-29-2011 |
| 20110233608 | CONNECTION ARRANGEMENT FOR SEMICONDUCTOR POWER MODULES - A semiconductor power module includes at least two sub modules. The sub modules include at least one respective transistor having a collector, an emitter, and a gate. The module includes a connection arrangement having a collector terminal unit for connecting the collectors of the at least two sub modules collectively to external circuit components, at least two emitter terminal units for connecting the respective emitters of the at least two sub modules individually to external circuit components, and at least two gate terminal units for connecting the respective gates of the at least two sub modules individually to external circuit components. | 09-29-2011 |
| 20110228578 | NON-ISOLATED DC-DC CONVERTER FOR SOLAR POWER PLANT - An exemplary non-isolated DC-DC converter for a solar power plant, can be adapted to connect to a full-bridge inverter. The converter includes positive and negative input terminals, and positive and negative output terminals. A plurality of switches, diodes, inductors and capacitors are connected in a circuit configuration to the input and output terminals. A control means is connected to the circuit for controlling the switching of a first, second, and third switch between an open and closed state. | 09-22-2011 |
| 20110223001 | Robotic Picking Of Parts From A Bin - A robot for picking one or more parts ( | 09-15-2011 |
| 20110223000 | Robotic Picking Of Parts From A Bin - A robot is used to pick parts from a bin. The robot has a compliant apparatus and one or more tools are connected to the apparatus to perform the picking. The compliant apparatus has mechanisms for monitoring and/or controlling its compliance. The compliant apparatus can have various embodiments. Force sensing can be used during removal of grasped parts from the bin to determine the force exerted on the picking tool(s). The signal indicative of the exerted force can be used by the robot controller to determine the weight of the parts that may be held by the picking tool(s). The robot has one or more devices which can be the picking tool to stir the parts in the bin. | 09-15-2011 |
| 20110222317 | CONVERTER CIRCUIT AND UNIT AND SYSTEM COMPRISING SUCH CONVERTER CIRCUIT - A converter circuit has a first resonant converter that is connected on the DC voltage side to a first energy storage circuit, and a transformer. A second resonant converter is connected on the AC voltage side to the secondary winding of the transformer and on the DC voltage side to a load converter, and a CLL resonant circuit is connected to the first resonant converter and to the primary winding of the transformer. The CLL resonant circuit has a resonant capacitance, a first resonant inductance and a second resonant inductance. | 09-15-2011 |
| 20110221420 | CONTROL METHOD FOR SINGLE-PHASE GRID-CONNECTED LCL INVERTER - A method of controlling the grid-side current of a single-phase grid-connected converter having an LCL filter connected between the output of the converter and the grid. The method includes measuring a grid voltage (v | 09-15-2011 |
| 20110213577 | METHOD AND APPARATUS FOR ANALYZING WAVEFORM SIGNALS OF A POWER SYSTEM - Method and apparatus for analyzing waveform signals of a power system. A waveform signal obtained from the power system is digitalized and then filtered. One or more segments are identified on the filtered waveform signal and, based on the information content of the identified segments, each of the one or more identified segments are classified as corresponding to a normal or abnormal condition occurred in the power system. | 09-01-2011 |
| 20110211938 | Compliant End Of Arm Tooling For A Robot | 09-01-2011 |
| 20110208353 | TOOL FOR AN INDUSTRIAL ROBOT - A method to control an industrial robot with a tool including at least one actuator. The industrial robot has at least one robot arm with a tool holder arranged on the arm. A contactless power supply is provided to the at least one actuator of the tool. Control signals are transmitted to and/or received from at least one wireless node including a radio communicator arranged on the tool. Radio technology is utilized that works in a high frequency band from 400 MHz and higher with significant interference suppression by spread spectrum technology. | 08-25-2011 |
| 20110208341 | METHOD AND SYSTEM FOR CONTROLLING AN INDUSTRIAL PROCESS - A control system for controlling an industrial process includes an indicator generator configured to determine at least one fuzzy logic based indicator from measured process variables. The control system also includes a state estimator configured to determine estimated physical process states based on the fuzzy indicator. For controlling the industrial process, the process controller is configured to calculate manipulated variables based on (i) defined set-points and (ii) a physical model of the process using the estimated physical process states. Combining a fuzzy logic indicator with a model based process controller provides robust indicators of the process states for controlling an industrial process in a real plant situation in which measured process variables may possibly contradict each other. | 08-25-2011 |
| 20110202191 | ENERGY GENERATING SYSTEM AND CONTROL THEREOF - A system and method of controlling an electricity generating system that includes at least one intermittent energy source generating plant are disclosed. An exemplary method includes calculating actual operating parameters of the at least one intermittent energy source generating plant; calculating forecast operating parameters of the at least one intermittent energy source generating plant; generating intermittent energy source contingency definitions from such actual operating parameters and forecast operating parameters; analysing the intermittent energy source contingency definitions to provide contingency analyses; and controlling the electricity generating system in dependence upon such contingency analyses. | 08-18-2011 |
| 20110188159 | METHOD AND DEVICE FOR SUPERVISING SECONDARY CIRCUIT OF INSTRUMENT TRANSFORMER IN POWER SYSTEM - A method and a protection IED for supervising a secondary circuit of an instrument transformer in a power system are disclosed. The instrument transformer is connected to a power system component. The method includes: detecting, by a protection IED which is connected to the secondary circuit of the instrument transformer and protects the power system component, disturbances in a signal from the instrument transformer; and determining whether a failure occurs in the secondary circuit of the instrument transformer, according to both a disturbance detection result from the protection IED and another disturbance detection result from at least one of other protection IEDs. The other protection IEDs include protection IEDs which are connected to other secondary circuits of the instrument transformer or to secondary circuits of another instrument transformer connected to the power system component, and protection IEDs which are connected to other instrument transformers connected to other power system components connected to the same busbar as the power system component is connected to. The secondary circuit supervision solutions provide more reliable and sensitive performance and need very small amount of information to be collected. | 08-04-2011 |
| 20110184902 | BUSINESS RULE INTEGRATION WITH ENGINEERING APPLICATIONS - The system integrates a business rule engine with an engineering application that performs one or more predetermine functions relating to the monitoring, analyzing or controlling of a physical system. Rule processing requests are transmitted from the engineering application to a rule based service which manages the data retrieval, data insertion, rule engine invocation activities in a two pass design so as to optimize the rule processing performance for online system monitoring and control. | 07-28-2011 |
| 20110184092 | EPOXY RESIN COMPOSITION - Curable epoxy resin composition, which is suitable for the production of electrical insulation systems for low, medium and high voltage applications, including at least an epoxy resin, a hardener, a mineral filler material, and optionally further additives, wherein (i) the epoxy resin component is a diglycidylether of bisphenol A (DGEBA); (ii) the hardener includes methyltetrahydrophthalic anhydride (MTHPA) and polypropylene glycol (PPG), wherein (iii) the average molecular weight of the polypropylene glycol (PPG) is within the range of about 300 to about 510 Dalton; and (iv) the molar ratio of methyltetrahydrophthalic anhydride (MTHPA) to polypropylene glycol (PPG) is within the range of about 9:1 to 19:1. A method of making the epoxy resin composition and electrical articles made therefrom are also provided. | 07-28-2011 |
| 20110181225 | CONTROLLER FOR A ROTATING ELECTRICAL MACHINE - To minimize switching losses in a rotating electrical machine, exemplary embodiments of the present disclosure proposes an iterative control method which calculates optimal switching states in advance. A rotating electrical machine can be controlled on the basis of this iterative control method. | 07-28-2011 |
| 20110166720 | FAST POWER SWING UNBLOCKING METHOD AND APPARATUS FOR DISTANCE PROTECTION IN POWER SYSTEM - The present invention discloses a fast power swing unblocking method and apparatus for a distance protection in a power system, which is able to ensure fast phase-segregated tripping of distance protection for faults during a power swing (3-phase or 2-phase swing). The power swing unblocking method in a power system according to the present invention comprises calculating changing rates of impedances for all operating loops of the distance protection in the power system; and determining a fault loop based on the calculated changing rates. If there is a fault loop, a blocked distance zone for the fault loop is unblocked. Before calculating the changing rates, whether the power system is under a power swing is checked and a distance zone that might mal-operate under the power swing is blocked if it is checked that the power system is under the power swing. By applying this invention, the performance of the distance protection during power swings can be improved, and the distance protection can ensure faster and phase-segregated operation, which are very beneficial for the system reliability. | 07-07-2011 |
| 20110163614 | METHOD AND SYSTEM FOR REARRANGING SOUND CONDUCTORS IN PARALLEL LINES IN POWER TRANSMISSION - A method and a system for rearranging sound conductors included in parallel lines in power transmission are provided. The parallel lines include at least a first line (L | 07-07-2011 |
| 20110163069 | GAS-INSULATED HIGH-VOLTAGE SWITCH - The high-voltage switch exhibits a compression space of small dimensions, in which, on interruption of a current, insulating gas exhibiting quenching characteristics is compressed mechanically to form quenching gas with the aid of an operating mechanism of the switch. When a small current is interrupted, a sufficient quantity of quenching gas can thus be provided with little mechanical operating force. When a large current is interrupted, quenching gas communicates from the compression space into an expansion volume above a response pressure, keeping the operating force low, of a pressure relief valve. A large quantity of quenching gas is then available for successfully interrupting a large current whilst the operating force is kept low. | 07-07-2011 |
| 20110160980 | ESTIMATING HEALTH PARAMETERS OR SYMPTOMS OF A DEGRADING SYSTEM - The present invention is concerned with the estimation of health parameters p(k) representing symptoms of a slowly degrading system, in particular industrial gas turbines. According to the invention, an estimation of a true health or independent parameter vector at time step k uses the estimation of the true health or parameter vector at a previous time step k−1 as a starting value for the production of a predicted health parameter vector at time step k. Based on the latter and a set of measured values of input variables of an extended model of the system, a prediction of output variables of the model is produced. This predicted model output is compared with measured values of the output variables to yield an error. From this error, a health parameter estimator in turn produces a health parameter estimate as a revision of the predicted health parameters. Preferably, the estimation of a true health or independent parameter vector at time step k includes a generalised process noise representing stochastic uncertainty and/or a-priori knowledge of an evolution of the health parameters. | 06-30-2011 |
| 20110156094 | ELECTRICAL MODULE - A method for fabricating an electrical module comprising a first substrate plate ( | 06-30-2011 |
| 20110154934 | ROBOT FOR HARSH OUTDOOR ENVIRONMENT - An industrial robot adapted for a harsh environment involving exposure to salt water. A robot arm includes a plurality of arm parts movable relative each other about a plurality of joints. Electrical motors move the arm parts. A salt water proof coating on at least a portion of an exterior of the robot arm parts. | 06-30-2011 |
| 20110148430 | METHOD AND APPARATUS FOR FAULT IDENTIFICATION IN A POWER TANSMISSION LINE - A method and apparatus for fault identification in a transmission line are provided. The method may include measuring at an end of the transmission line when the transmission line has a fault to obtain a measured signal g(t), comparing the measured signal g(t) with a predefined standard signal f(t), the predefined standard signal f(t) having beat frequency characteristic; and identifying that the fault is a transient fault if the measured signal g(t) matches the predefined standard signal f(t) according to a result of the comparison, or the fault is a permanent fault if the measured signal g(t) does not match the predefined standard signal f(t) according to the result of the comparison. | 06-23-2011 |
| 20110147346 | GAS-INSULATED SWITCHGEAR DEVICE WITH OPTICAL CURRENT SENSOR - An exemplary gas-insulated switchgear device is disclosed which includes a current sensor and a voltage sensor located at a partition insulator. The current sensor can include a magneto-optical fiber on a flexible carrier strip and can be manufactured separately for being easily mounted to an assembled switchgear device. The current sensor can include an electro-optical fiber extending radially into the partition insulator and whose ends are embedded in recesses in the bus bar as well as in the metal embracing of the partition insulator for accurately integrating the voltage. | 06-23-2011 |
| 20110139407 | THERMOELECTRIC ENERGY STORAGE SYSTEM AND METHOD FOR STORING THERMOELECTRIC ENERGY - A system and method for thermoelectric energy storage are disclosed. A thermoelectric energy storage system can include a heat exchanger which contains a thermal storage medium, and a working fluid circuit for circulating a working fluid through the heat exchanger for heat transfer with the thermal storage medium. The working fluid undergoes transcritical cooling during the charging and transcritical heating during the discharging cycle as it exchanges heat with the thermal storage medium. Improved roundtrip efficiency can be achieved through minimizing the maximum temperature difference (ΔTmax) between the working fluid and the thermal storage medium during operating cycles. | 06-16-2011 |
| 20110137878 | Data Consistency Validation - An entity to be validated for consistency is loaded into the buffer of the consistency service, a signal to verify the existence of a specific data set of an IT system is then sent by the consistency service to the IT system holding the entity to be validated for consistency, and the consistency validating information is stored in the output means, said consistency validating information depending on the signal being sent back to the consistency service. | 06-09-2011 |
| 20110135047 | TIME SYNCHRONIZATION IN INDUSTRIAL PROCESS CONTROL OR AUTOMATION SYSTEMS - Improved time synchronization is provided among the devices of an industrial process control system, e.g., a Substation Automation system, during a temporary absence of a system reference time. Hence, disruption of time-critical protection and control functions due to re-synchronization following the temporary absence of the system reference time is avoided, and the availability of time-critical functions configured on the devices is increased. During normal operation, a device of the system records an offset or discrepancy between the system reference time and an internal local clock of the device for a period of several hours. As soon as the system reference time breaks down, the device starts predicting the offset or drift between its local clock and the unavailable system reference time based on the recorded offset history. As a transient clock master, the device then distributes an approximated or transient system reference time, based on the device's local clock corrected for the predicted offset, to other devices of the system which, in turn, run time-critical protection and control functions. | 06-09-2011 |
| 20110132064 | FLOWMETERS AND METHODS FOR DIAGNOSIS OF SENSOR UNITS - A method and an apparatus for diagnosis of a flowmeter are disclosed. The method includes thermally coupling a first sensor unit of the flowmeter to a fluid and thermally coupling a second sensor unit of the flowmeter to the fluid. The method also includes actively heating or cooling the first sensor unit by applying power to the first sensor unit such that its temperature is different from the temperature of the fluid, and simultaneously actively heating or cooling the second sensor unit by applying power to the second sensor unit such that its temperature is different from the temperature of the fluid, and typically from the temperature of the first sensor. The method can include determining a temperature TM | 06-09-2011 |
| 20110128655 | GENERATOR CIRCUIT BREAKER WITH FIBER-OPTIC CURRENT SENSOR - The current in a generator circuit breaker is measured using the Faraday effect of an optical sensing fiber looped around the breaker's conductor. The sensing fiber is arranged in a sensing strip, which can be mounted to the enclosure of the generator circuit breaker or to the conductor. Exemplary embodiments can have a wide measuring range and can easily be fitted to new or existing generator circuit breakers. | 06-02-2011 |
| 20110127011 | HEAT EXCHANGER - An exemplary heat exchanger includes evaporator channels and condenser channels, connecting parts for providing fluid paths between evaporator channels and the condenser channels, a first heat transfer element for transferring a heat load to a fluid in said evaporator channels, and a second heat transfer element for transferring a heat load from a fluid in the condenser channels. In order to achieve a heat exchanger that can be used in any position, the evaporator channels and said condenser channels can have capillary dimensions. The connecting part arranged at a first end of heat exchanger can include a first fluid distribution element for conducting fluid from a predetermined condenser channel into a corresponding predetermined evaporator channel, and the connecting part arranged at a second end of the heat exchanger can include a second fluid distribution element for conducting fluid from a predetermined evaporator channel into a corresponding predetermined condenser channel. | 06-02-2011 |
| 20110126038 | TIME DELAY COMPENSATION IN POWER SYSTEM CONTROL - A method and controller are provided for the compensation of time delays in remote feedback signals in power system control. The method includes converting the time delay into a phase shift and calculating four compensation angles from the phase shift. The optimal compensation angle is determined and applied to the remote feedback signals. A technique of equipping a controller with a global clock is also disclosed. | 05-26-2011 |
| 20110122654 | HIGH VOLTAGE AC/DC OR DC/AC CONVERTER STATION WITH FIBER-OPTIC CURRENT SENSOR - DC current in a high voltage AC/DC or DC/AC converter station can be measured via the Faraday effect in one or more loops of an optical sensing fiber located at the base of a bushing extending through a wall of the hall. This arrangement can exploit the base of the bushing being at ground potential, which can simplify mounting work and maintenance. | 05-26-2011 |
| 20110116508 | RING COUPLING NODES FOR HIGH AVAILABILITY NETWORKS - Exemplary embodiments are directed to a network coupling device connected over a respective first and second port in a communication network with a ring topology operating with full duplex links. When sending information, the coupling device inserts two duplicate frames in the ring, one over each of its ports. The frames containing information that identifies these two frames as a pair of duplicates of the same frame. Each similar device in the ring includes a Switching Element that receives a frame from one port and forwards the frame to the other port without modification. The Switching Element discards a frame that was originally sent by that same node, discards a frame that it already forwarded in that direction, and/or discards a frame that it cannot recognize as being a member of a pair. A further similar device on the ring is able to receive the two duplicate frames and pass the earlier received frames of a pair to the application, while discarding the later, received frames based on the identification within the frames. | 05-19-2011 |
| 20110112699 | SUBSTATION AUTOMATION WITH REDUNDANT PROTECTION - Exemplary embodiments are directed to a redundancy scheme for bay protection in Substation Automation (SA) that prevents a single failing Intelligent Electronic Device (IED) of the SA system from impairing the operation of a bay of a substation. A protection IED assigned to a home or host bay of a substation of an electric power system performs the protection functions of the bay to which it is assigned, plus protection functions of at least one of its neighboring bays. As a result, each bay can be managed by two different protection IEDs, wherein redundancy is achieved without a dedicated redundant protection IED for each bay. Whenever required to do so, the protection IED receives, from appropriate sensors, information about a status or value of a process quantity from the neighboring bay, computes or executes protection functionality such as overcurrent, overvoltage or earth fault on behalf of the neighboring bay, and issues commands directed to actuators of said neighboring bay. | 05-12-2011 |
| 20110104385 | APPARATUS FOR ELECTROSTATICALLY COATING A WORKPIECE AND METHOD OF REDUCING CONTAMINATION THEREOF - To minimize contamination and improve cleanability of an apparatus for electrostatically coating workpieces, the external surfaces of the apparatus are coated with a hydrophobic and hard coating. | 05-05-2011 |
| 20110103118 | NON-ISOLATED DC-DC CONVERTER ASSEMBLY - A non-isolated DC-DC converter assembly includes a boost converter and a Ćuk converter connected together in a specific way. The non-isolated DC-DC converter assembly allows for grounding of a source and load at the same time, and provides a complete adjustability of the output voltage of the non-isolated DC-DC converter. Further, the DC-DC converter assembly of the disclosure has a current source input characteristic, whereby the current absorbed from the power supply is continuous | 05-05-2011 |
| 20110103108 | Converter Valve - A converter valve unit including a plurality of parallel connected semiconducting elements, a free-wheeling diode and a control unit. | 05-05-2011 |
| 20110100611 | THERMOELECTRIC ENERGY STORAGE SYSTEM AND METHOD FOR STORING THERMOELECTRIC ENERGY - A system and method are provided for thermoelectric energy storage. A thermoelectric energy storage system having at least one hot storage unit is provided. In an exemplary embodiment, each hot storage unit includes a hot tank and a cold tank connected via a heat exchanger and containing a thermal storage medium. The thermoelectric energy storage system also includes a working fluid circuit for circulating working fluid through each heat exchanger for heat transfer with the thermal storage medium. Improved roundtrip efficiency is achieved by minimizing the temperature difference between the working fluid and the thermal storage medium in each heat exchanger during heat transfer. Exemplary embodiments realize this improved roundtrip efficiency through modification of thermal storage media parameters. | 05-05-2011 |
| 20110098988 | Methods and Apparatus for Designing Device-to-Device Configurations Suitable to be used in a Power System - Graphical tool and method for designing device-to-device configurations used in power systems. The tool comprises software program instructions configured to allow a user to graphically associate on a monitor an intelligent electronic device (IED) selected from an available list to a corresponding switching device of the power system. For a first IED associated to corresponding switching device, the user graphically configures on the monitor a related logic by selecting one or more logical inputs/outputs and one or more target IEDs from/to which said logical inputs/outputs are to be received/sent, respectively. | 04-28-2011 |
| 20110093124 | INVESTIGATING TIMING RELIABILITY IN RELATION TO CONTROL OF A POWER TRANSMISSION SYSTEM - The disclosure is related to a method, power control device and computer program product for evaluating accuracy of timing provided by time generating equipment in relation to wide area control in a power transmission system, where the wide area control is performed based on time stamped measurements of system data. The power control device can include a timing deviation handling unit that investigates timing used in relation to time based measurements, determines if the timing is reliable or not based on the investigation, and aborts wide area control if the timing is deemed unreliable. | 04-21-2011 |
| 20110082653 | METHOD FOR FAULT LOCATION ON SERIES COMPENSATED POWER TRANSMISSION LINES WITH TWO-END UNSYNCHRONIZED MEASUREMENT - The present invention is concerned with a method for fault location in series compensated power transmission lines with two-end unsynchronized measurement, finding an application in the electrical power sector and for overhead uncompensated and series-compensated transmission lines. The method according to the invention wherein a distance to fault and fault resistance are determined by means of voltages and current values, measurement in the stations (A) and (B), before and after occurrence of the fault ( | 04-07-2011 |
| 20110080711 | POWER-ELECTRONIC ARRANGEMENT - A power-electronic arrangement comprising semiconductor components ( | 04-07-2011 |
| 20110074393 | TEMPERATURE COMPENSATED FIBER OPTIC CURRENT OR MAGNETIC FIELD SENSOR WITH INSENSITIVITY TO VARIATIONS IN SENSOR PARAMETERS - A fiber optic current or magnetic field sensor uses a sensing fiber in a coil for measuring a current or a magnetic field and has a retarder for converting between linearly polarized light and elliptically polarized light. The retardation of the retarder; its temperature dependence as well as its azimuth angle in respect to the plane of the fiber coil are optimized in dependence of the birefringence in the sensing fiber in order to minimize the influence of temperature variations and manufacturing tolerances on the overall scale factor of the sensor. | 03-31-2011 |
| 20110072858 | METHOD FOR MANUFACTURING A FIBER OPTIC CURRENT SENSOR WITH INHERENT TEMPERATURE COMPENSATION OF THE FARADAY EFFECT - A method is provided for tuning the fiber optic retarder of a fiber optic current sensor towards a desired temperature dependence, the sensing fiber is exposed to a magnetic field or corresponding electric current and the sensor signal as well as the signal's dependence on the retarder temperature are measured. From this initial sensor signal and its temperature dependence, a target sensor signal can be determined, at which the dependence on the retarder temperature equals a desired value. Then, the retarder is thermally treated until the sensor signal reaches the target value. The method obviates the need for repetitively measuring the temperature dependence during the tuning process. | 03-31-2011 |
| 20110050207 | HIGH VOLTAGE MEASUREMENT DEVICE USING POLED FIBERS - Two transversely poled fibers are disclosed which can be wound around a holder with their poling directions being anti-parallel. A coupling exchanges the polarization directions of the modes of the fibers. Thermally and mechanically caused birefringence changes can thereby be substantially cancelled, while electrical field induced birefringence changes can be added, to provide a more robust high voltage measuring device. | 03-03-2011 |
| 20110044082 | VOLTAGE SOURCE CONVERTER - A Voltage Source Converter having at least one phase leg connected to opposite poles of a direct voltage side of the converter and comprising a series connection of switching cells has an arrangement configured to apply a pressure to opposite ends of stacks of semiconductor assemblies for pressing the assemblies towards each other so as to obtain electric contact between semiconductor assemblies in said stack while ensuring that the semiconductor assemblies of a first path of each switching cell of the converter go into a permanently closed circuit state in case of a failure of the respective switching cell. A second path of each switching cell has means configured to keep said second path including an energy storing capacitor non-conducting upon occurrence of a said failure. | 02-24-2011 |
| 20110037480 | METHOD FOR FAULT LOCATION IN UNCOMPENSATED POWER LINES WITH TWO-END UNSYNCHRONIZED MEASUREMENT - A method is provided for fault location in uncompensated power lines with two-end unsynchronized measurement, finding an application in the power industry and for overhead and overhead-cable transmission or distribution lines. The method according to the invention includes measuring the voltage and currents at both ends (A) and (B) of the section, obtaining the phasor of the positive sequence voltages (V | 02-17-2011 |
| 20110035792 | CLIENT/SERVER SYSTEM FOR COMMUNICATING ACCORDING TO THE STANDARD PROTOCOL OPC UA AND HAVING SINGLE SIGN-ON MECHANISMS FOR AUTHENTICATING, AND METHOD FOR PERFORMING SINGLE SIGN-ON IN SUCH A SYSTEM - A method and device are provided for integrating single sign-on (SOS) mechanisms in a client/server system using communication according to the standard protocol OPC UA, and for performing SOS for user authentication and authorization in the system. A client is connected to an aggregating server, and the aggregating server is connected to subordinated servers via a communication network. To integrate SOS mechanisms, the aggregating server is provided with an SSO component for mapping user legitimation data used in a service call to identities in the form in which the identities are stored in the subordinate servers. To perform SOS using the SSO component, user legitimation data associated with a service call are used to automatically search for corresponding mapped identities and affected servers, and to call up an active session service for each match in each server via the mapped identity, to establish the desired access to data from the user's service invocation. | 02-10-2011 |
| 20110035195 | ON-LINE PERFORMANCE MANAGEMENT OF MEMBRANE SEPARATION PROCESS - Method for on-line prediction of performance of an RO based desalination plant is disclosed. The method includes: (i) a mathematical model of the RO unit; (ii) on-line estimation of membrane physical parameters of the nonlinear mathematical model representing the RO unit; and (iii) analysis of the estimated membrane transport parameter with respect to time. Based on the analysis of these estimated parameters, plant operators can clean the membranes to restore the performance of the RO desalination plant. The method can be implemented in a computer based control system used for data acquisition and control of an RO based desalination plant. The method can help in maintaining the performance of the RO based desalination plants at a desired level and increase membrane life without affecting quality of permeate water produced. | 02-10-2011 |
| 20110035067 | SYSTEM AND METHOD FOR CONTROLLING A DISTRIBUTION OF ELECTRICAL POWER - A method and system are disclosed for controlling a distribution of electrical power in a power distribution network having a first power distribution region and a second power distribution region. The first power distribution region can include first primary devices that interact with first process devices, and the second power distribution region can include second primary devices that interact with second process devices a distribution controller including a standardized description of the first region. A first distribution controller can be connected to the first process devices, can control a distribution of electrical power in the first power distribution region, and can identify, following a network reconfiguration, an orphan network section that is disconnected from the first region and connected to the second region. The first distribution controller can transmit a standardized description of the identified orphan network section to a second distribution controller connected to the second process devices. | 02-10-2011 |
| 20110031936 | APPARATUS AND METHOD FOR TRANSMISSION LINE CONTROL - It is presented an apparatus comprising: a converter ( | 02-10-2011 |
| 20110030400 | EVAPORATOR AND COOLING CIRCUIT - An evaporator for a cooling circuit is provided, for cooling at least one heat emitting device by evaporation of a cooling fluid. The evaporator includes a top collector, a bottom collector, and an evaporator body. The evaporator body includes at least one thermoconducting wall that is thermally connectable to the at least one heat emitting device, a plurality of evaporation channels, and a plurality of return channels. | 02-10-2011 |
| 20110029687 | DATA TRANSMISSION IN A RING-TYPE COMMUNICATION NETWORK - Exemplary embodiments are directed to deterministic data transmission of real-time operational data in Highly available, Seamlessly Redundant (HSR) ring-type communication networks with at least a master node, a source node, and a destination node. Each node can include first and second communication ports connected to a respective first and second neighbouring node of the communication network, to receive a frame via the first communication port, and to forward the received frame via the second communication port. The master node sends a first and a second redundant frame or empty data packet to its first and second neighbouring node, respectively. Upon reception of the two redundant frames, the source node inserts process data into a predetermined and dedicated field of each frame. Each one of the two loaded redundant frames is instantaneously and individually forwarded to the first and the second neighbouring node of the source node, respectively. The destination node extracts the process data from the first arriving loaded redundant frame of the pair. | 02-03-2011 |
| 20110027532 | SURFACE MODIFIED ELECTRICAL INSULATION SYSTEM - A surface modified electrical insulation system having a super hydrophobic surface, the insulation system having a hardened or cured synthetic polymer composition which contains at least one filler material and optionally further additives. The at least one filler material can be selected from a group of filler materials containing inorganic oxides, inorganic hydroxides and inorganic oxyhydroxides. The surface of the electrical insulation system can be formed as a structured surface with micro-scale and nano-scale features, whereby the surface is covered with a liquid hydrophobic compound. | 02-03-2011 |
| 20110013366 | ELECTRONIC CIRCUIT BOARD WITH A THERMAL CAPACITOR - An electronic circuit board includes at least one conductor path and at least one component which is one of an electronic component, electric component and heat emitting component, and which is connected to the conductor path. At least one thermal capacitor is thermally connected to the conductor in vicinity to the at least one component. The at least one thermal capacitor is suitable for transmitting and/or buffering thermal energy of the at least one component. | 01-20-2011 |
| 20110011620 | Electrical Conductor - An electrical conductor includes a primary electrical contact, at least one secondary electrical contact, and a connection element. The connection element electrically connects the first and the at least one secondary electrical contacts, and includes at least one plate-like region. Each plate-like region includes at least one deflection component with at least one first and at least one second pivot, wherein the first and second pivots of each deflection means are arranged such that each secondary electrical contact is movable relative to the primary electrical contact in a deflection direction, without creation of a shear force. | 01-20-2011 |
| 20110004355 | Hybrid Distribution Network Power Restoration Control - A power outage restoration system manages a power network including a plurality of switching devices. The power outage restoration system includes an outage management system having a network model of said power network. A plurality of local restoration controllers are in communication with the outage management system and each said local restoration controller includes a trimmed network model correlating to a respective area of responsibility. | 01-06-2011 |
| 20110001592 | Method and Device for Controlling of a Magnetic Flux - A device for controlling a magnetic flux in an electromagnetic system, wherein the system includes magnetically connected magnetic cores, between which a volume is arranged. The volume includes a controllable magnetic flux region and the magnetic flux region includes a magnetic material having a relative permeability that may be varied by influencing the temperature of the material. The magnetic material includes a magnetic material, the Curie point of which lies within the temperature operating range of the device and exhibits paramagnetic properties within the temperature range. Also a method of controlling a magnetic flux. | 01-06-2011 |
| 20100332211 | PROGRAMMABLE AND RECONFIGURABLE HARDWARE FOR REAL POWER SYSTEM EMULATION - An apparatus is provided for emulation of a power system. The apparatus includes a plurality of programmable elements which are selectively connectable to one another. Each programmable element includes at least two elements selected from the group consisting of a generator element, a line element and a load element. A programmable switch element is operable to selectively connect the at least two elements of each programmable element to one another, and to selectively connect the programmable element to one or more other programmable elements. A system, which incorporates the apparatus, is also provided for emulating a power system incorporating such apparatus. | 12-30-2010 |
| 20100330516 | FLAME SCANNING DEVICE AND METHOD FOR ITS OPERATION - A flame scanning device is provided for monitoring a flame. The device includes a radiation collection and transmission element for collecting flame radiation and transmitting it to detection elements, a flame sensor element for the detection of radiation and conversion of the detected radiation into electrical signals, and an evaluation unit for the conversion of the electrical signals into flame parameters. The flame sensor element can include at least two individual detectors each with an individual central detection wavelength and a width of observation window, respectively. The individual central detection wavelength and the width of observation window are not overlapping and are covering individual regions of interest of the spectrum of radiation. | 12-30-2010 |
| 20100327790 | CONTROL METHOD AND MOTORSTARTER DEVICE - A method for controlling an electric motor with a softstarter. A softstarter device for control of electric motors. Motor torque is controlled in dependence of a torque error signal, based on a calculated difference between the motor torque and a reference torque value, so that the motor torque displays a rate of change with respect to time, during a stopping or starting time interval, that is adapted to follow a rate of change of the reference torque value, with respect to time, that varies between at least a first part of the time interval and a second part of the time interval, and thereby changing the speed of the motor. A system includes an electric motor, a device driven by the electric motor and a softstarter device for controlling the electric motor. A computer program product includes a computer readable medium and a computer program recorded thereon. | 12-30-2010 |
| 20100315781 | ANTI-GRAVITY THERMOSYPHON HEAT EXCHANGER AND A POWER MODULE - A thermosyphon heat exchanger according to the disclosure includes a set of linear conduit elements and a heat exchange plate mounted in a heat receiving region on the conduit elements. The longitudinal axes of the conduit elements extend in a first direction in a plane defined by the flat side of the heat exchange plate. The conduit elements project above the heat receiving region in the first direction on a first side and an opposing second side such that the extension of the conduit elements on each side of the heat exchange region is suitable for constituting a condensing region for condensing a refrigerant vaporized in the heat receiving region if the first direction is arranged vertically. | 12-16-2010 |
| 20100315416 | COMPUTER IMPLEMENTED METHOD AND SYSTEM FOR REMOTE INSPECTION OF AN INDUSTRIAL PROCESS - A computer implemented method for remote inspection of infrastructure of an industrial process in an installation for extraction, processing and/or production of materials. The process is supervised by a control system including one or more computers, and one or more computer display apparatus. At least one computer includes a graphic computer model and a 3D model of the process infrastructure, where a position in the process infrastructure in the 3D model is arranged selectable, wherein the selected position is identified from a viewpoint in the model. The viewpoint information from the model is used to position one or more cameras in the real installation. Images from the real installation are combined with the 3D model in different ways. A remote inspection system and a computer program are also described. | 12-16-2010 |
| 20100314022 | METHOD FOR PROVIDING AN INSULATED ELECTRIC HIGH VOLTAGE DC CABLE OR A HIGH VOLTAGE DC TERMINATION OR JOINT - A method for providing an insulated electric high voltage DC cable or a high voltage DC termination or joint. A polymer based insulation system including a compounded polymer composition is provided. The polymer based insulation system is subsequently exposed to a heat treatment procedure while the outer surface of the polymer based insulation system is covered by a cover impermeable to a substance present in the polymer based insulation system in a non-homogenous distribution, thereby equalizing the concentration of the substance in the polymer based insulation system. | 12-16-2010 |
| 20100306313 | METHOD AND DEVICE FOR CLIENT/SERVER COMMUNICATION ACCORDING TO THE STANDARD PROTOCOL OPC UA - A method and a corresponding device are disclosed for communicating between clients and servers of a client/server system using the standard protocol OPC UA, and for the interaction of an OPC UA client with an OPC UA server, OPC UA service calls are used. In order to integrate a transaction context in OPC UA service calls, all OPC UA servers of the system are complemented by a transaction management component, and in order to carry out transactions, appropriately configured OPC UA clients communicate with respective OPC UA servers using transactions. | 12-02-2010 |
| 20100281097 | METHOD AND DEVICE FOR COMMUNICATING ACCORDING TO THE STANDARD PROTOCOL OPC UA IN A CLIENT/SERVER SYSTEM - A method and a corresponding device for communicating between clients and servers of a client/server system using an OPC UA protocol, OPC UA service calls can be used for the interaction of an OPC UA client with an OPC UA server. The OPC UA client requests additional services within an OPC UA session. The additional services are requested by a client part for using additional services and are handled by a server part for providing additional services. | 11-04-2010 |
| 20100280772 | METHOD FOR DETECTION AND AUTOMATIC IDENTIFICATION OF DAMAGE TO ROLLING BEARINGS - The subject of the invention is a method for detection and automatic identification of defects in rolling bearings applicable in diagnosing rolling bearings and detecting damage in a very early stage of its occurrence. | 11-04-2010 |
| 20100277870 | MULTI-ROW THERMOSYPHON HEAT EXCHANGER - A thermosyphon heat exchanger includes a first set of first conduit elements for heat absorbing and a second set of second conduit elements for heat releasing. A first end of the first set can be connected to a first end of the second set by at least one manifold and a second end of the first set is connected to a second end of the second set by at least one other manifold. At least one first set of first conduit elements and the at least one second set of second conduit elements are at least partially arranged such that a stack is formed. | 11-04-2010 |
| 20100270584 | Semiconductor Switching Device with Gate Connection - The present disclosure provides a semiconductor switching device including a substrate having deposited thereon a cathode, an anode and a gate of the semiconductor switching device, and a connection means for electrically connecting the cathode in the gate of the semiconductor switching device to an external circuit unit. The connection includes a cathode-gate connection unit having a coaxial structure including a gate conductor and a cathode conductor for electrically connecting the cathode and the gate of the semiconductor switching device to the external circuit unit. | 10-28-2010 |
| 20100270010 | TWISTED TUBE THERMOSYPHON - A thermosyphon heat exchanger includes a plurality of first conduit elements and a plurality of second conduit elements. Each first conduit element has a heat absorbing portion defining a first plane and a first fluid transfer portion defining a second plane. The first plane and the second plane are twisted relative to each other. Each second conduit element has a heat releasing portion and a second fluid transfer portion or a connection to a fluid return line. At least one first conduit element and at least one second conduit element are connected to each other such that the fluid in the thermosyphon heat exchanger can flow in a closed loop through said first conduit element and said second conduit element. | 10-28-2010 |
| 20100264897 | VOLTAGE CONTROL FOR ELECTRIC POWER SYSTEMS - A limitation of the interaction between cascaded tap changers and/or between a tap changer and a shunt compensator independently of any real-time communication between the respective controllers is disclosed. Coordinated voltage control in distribution networks can be achieved by an adaptive updating or tuning of control parameters DB | 10-21-2010 |
| 20100253269 | METHOD FOR OPERATING A ROTATING ELECTRIC MACHINE - A method is disclosed for operating a rotating electric machine, wherein the rotating electric machine is connected by phases to a converter circuit having a direct-current circuit for switching at least two voltage levels, and the phases of the converter circuit are connected to the direct-current circuit according to a selected switch state combination of switch states of power semi-conductor switches of the converter circuit. Exemplary embodiments can reduce the switching frequency of the power semi-conductor switches, based on a prediction of further behavior of the overall system, and selection of an optimum switching state combination. | 10-07-2010 |
| 20100244575 | METHOD FOR CONTROLLING SINGLE-PHASE DC/AC CONVERTERS AND CONVERTER ARRANGEMENT - A method is disclosed for controlling single-phase DC/AC converters, along with a converter arrangement having at least two single-phase DC/AC converters. A controller is provided which can control the at least two single-phase DC/AC converters, and an isolation transformer, wherein outputs of the at least two single-phase DC/AC converters are cascade-connected with each other and an input of the isolation transformer. The controller is configured to control the at least two single-phase DC/AC converters to deliver power from their inputs to their outputs by turns. | 09-30-2010 |
| 20100241286 | DRIVE SYSTEM FOR A TAP CHANGER - A drive system for operation of a tap changer for voltage regulation of a transformer on load. An electric motor is connectible to a movable part of the tap changer for moving the movable part for carrying out a tap change operation. An electric converter connects an electric power supply to the electric motor. A control arrangement is adapted to control the electric converter for controlling the operation of the motor and by that of the tap changer. | 09-23-2010 |
| 20100241248 | METHOD AND SYSTEM FOR OPTIMIZING THE LAYOUT OF A ROBOT WORK CELL - The present invention relates to a method for optimizing the placement of a plurality of workstations ( | 09-23-2010 |
| 20100234974 | METHOD AND SYSTEM FOR OPERATING A CYCLIC PRODUCTION MACHINE IN COORDINATION WITH A LOADER OR UNLOADER MACHINE - A method for synchronizing a first machine of a manufacturing process section arranged to carry out a production cycle including a working part and a non-working part. The first machine is operated in conjunction with at least one second machine. The first machine carries out a process during the working part of the cycle on a workpiece that is loaded into and/or unloaded out of the first machine by the at least one second machine during the non-working part of each process cycle. Also, a system for carrying out the method and a computer program. | 09-16-2010 |
| 20100231182 | INDUCTION REGULATOR FOR POWER FLOW CONTROL IN AN AC TRANSMISSION NETWORK AND A METHOD OF CONTROLLING SUCH NETWORK - A device for controlling the voltage and the phase angle of a polyphase electric transmission network including an induction regulator that is connected between the primary side and the secondary side of the transmission network. A gap is provided with a magnetic layer having a relative permeability that is controllable, wherein the magnitude (amplitude) of the secondary voltage vector is also adapted to be controlled by controlling the permeability of the magnetic layer. The magnetic layer may include a magnetic fluid or a solid material. | 09-16-2010 |
| 20100230263 | CUTOUTS WITH AUTOMATIC RECLOSING - A cutout is used in an electrical distribution network to electrically connect a first electric cable with a second electrical cable, The cutout includes an electrically non-conductive insulator having first and second end. A first terminal assembly is secured to the first insulator end. A second terminal assembly is secured to the second insulator end. A failsafe fuse assembly is pivotally secured to the second terminal and is movable between an engaged position and a lockout position. A reclosing mechanism is secured to the first terminal and monitors electrical current through the fuse assembly. If a fault condition exists, the reclosing mechanism opens and then closes the electrical link between the first and second electrical cable. If, after a predetermined number of closes, the fault condition still exists, the reclosing mechanism disconnects from the fuse assembly, allowing the fuse assembly to fall to the lockout position. | 09-16-2010 |
| 20100227951 | POLYMER CONCRETE ELECTRICAL INSULATION - Polymer concrete electrical insulation including a hardened epoxy resin composition filled with an electrically non-conductive inorganic filler compositions. The polymer concrete electrical insulation system optionally may contain additives. The epoxy resin composition is based on a cycloaliphatic epoxy resin. The inorganic filler composition can be present within the range of about 76% by weight to about 86% by weight, calculated to the total weight of the polymer concrete electrical insulation system. The inorganic filler composition includes a uniform mixture of (i) an inorganic filler with an average grain size within the range of 1 micron (μm) to 100 micron (μm) [component c(i)], and (ii) an inorganic filler with an average grain size within the range of 0.1 mm (100 micron) to 2 mm [component c(ii)]. The inorganic filler with an average grain size within the range of 1 micron (μm) to 100 micron (μm) [component c(i)] can be present in an amount within the range of 22% to 42%, calculated to the total weight of the polymer concrete electrical insulation system; and (e) the inorganic filler with an average grain size within the range of 0.1 mm to 2 mm [component c(ii)] is present within the range of 41% to 61% by weight, calculated to the total weight of the polymer concrete electrical insulation; and method of producing said electrical insulation. | 09-09-2010 |
| 20100227158 | SURFACE MODIFIED ELECTRICAL INSULATION SYSTEM WITH IMPROVED TRACKING AND EROSION RESISTANCE - Surface modified electrical insulation system including a hardened or cured synthetic polymer composition including at least one filler, wherein the surface of said synthetic polymer composition is modified by being coated with a thin coating. The thin coating is applied by a plasma enhanced chemical vapor deposition (PECVD) with a thickness within the range of about 50 nanometer to about 50 μm; and/or a by a sol-gel technique with a thickness within the range of about 0.5 micron to about 1 mm. The thin coat is an electrically non-conductive polymeric material having a melting point which is distinctly higher than the melting point or degradation temperature of the synthetic filler containing polymer composition. | 09-09-2010 |
| 20100224674 | FIXTURE APPARATUS FOR LOW-TEMPERATURE AND LOW-PRESSURE SINTERING - The disclosure relates to bonding plural elements by sintering a bonding layer sandwiched between the elements. An exemplary embodiment includes a support frame; a clamping device; a reception region for receiving a stack including the plural elements, in-between which the bonding layer is arranged, wherein the stack is clamped when loaded into the reception region to permanently apply a sintering pressure. An exemplary method is also disclosed for bonding plural of elements using a sintering process. The method includes clamping the stack into a reception region of a fixture device, and applying heat to the stack and the bonding layer to perform a sintering process of the bonding layer. | 09-09-2010 |
| 20100220499 | HYBRID DISTRIBUTION TRANSFORMER WITH AN INTEGRATED VOLTAGE SOURCE CONVERTER - A hybrid distribution transformer is provided that includes an electromagnetic transformer and a voltage source converter that is operable to reduce fluctuation in the output voltage of the hybrid distribution transformer in the event of an increase or decrease in the input voltage. | 09-02-2010 |
| 20100219161 | GAS-INSULATED HIGH-VOLTAGE CIRCUIT BREAKER WITH A RELIEF DUCT WHICH IS CONTROLLED BY AN OVERFLOW VALVE - A high-voltage circuit breaker includes two arcing contacts, which are capable of moving relative to one another along an axis, an insulating nozzle, a heating volume for accommodating quenching gas, a heating channel, and an overpressure valve. The pressure of the quenching gas is based on the energy of a switching arc, which is formed when the breaker opens and generates arcing gas, and the heating channel opens out, with axial alignment, into the heating volume. The heating channel connects an arc zone, and the overpressure valve limits the pressure of the quenching gas by opening a relief duct, which opens out into an expansion space. In high-current switching, the pressure of the arcing gases in the arc zone is limited, and the quality of the quenching gas stored in the heating volume is improved, due to the relief duct having an outflow section extending in the radial direction. | 09-02-2010 |
| 20100217967 | REAL-TIME COMMUNICATION SECURITY FOR AUTOMATION NETWORKS - A framework, device and method are disclosed for providing broadcast communication security over Ethernet within an automation system, wherein a security plug provides secure working of the automation system. The security plug can be implemented using ASIC/FPGA technology to provide compatibility with existing systems and an intuitive plug-and-play model. An exemplary system can address jitter-sensitivity by providing a real-time architecture, with minimal transmission latencies. The security plug can have separate security and communication modules that make provisions for protocol independent working of the security plug, within these networks. The method can include bootstrapping, secret key establishment and secure communication, for providing real-time guarantees. | 08-26-2010 |
| 20100207719 | COMPUTER IMPLEMENTED METHOD TO DISPLAY TECHNICAL DATA FOR MONITORING AN INDUSTRIAL INSTALLATION - A computer implemented method to display an industrial installation, which display may also display information about an event or an alarm in the installation. The method includes displaying an image which appears to the viewer to be a three dimensional holographic image including a view of the industrial installation. The image may also include one or more points in three dimensional space and which point or points are each mapped to a corresponding point or position in the industrial installation. A pointing device for actively indicating position on the image reflecting objects or positions in the installation is also described. | 08-19-2010 |
| 20100206604 | HIGH-VOLTAGE OUTDOOR BUSHING - An exemplary high-voltage outdoor bushing is disclosed which includes a conductor extended along an axis, a condenser core and an electrically insulating polymeric weather protection housing molded on the condenser core. The condenser core can contain an electrically insulating tape which is wound in spiral form around the conductor. Capacitance grading insertions can be arranged between successive windings of the tape. A cured polymeric insulating matrix embeds the wound tape and the capacitive grading insertions. A moisture diffusion barrier can be incorporated inside the condenser core prior to molding the weather protection housing. | 08-19-2010 |
| 20100205474 | REDUNDANT, DISTRIBUTED COMPUTER SYSTEM HAVING SERVER FUNCTIONALITIES - A distributed computer system is disclosed which contains at least two physical computers and at least two services installed in the system. The computers function as servers for at least one of the services. To make the system redundant, at least one of the physical computers, in addition to containing the server functionality of a first service, also contains a virtual machine having the server functionality of a second service. A method is also disclosed for implementing redundant server functionalities in a distributed computer system. | 08-12-2010 |
| 20100204948 | SYSTEM LEVEL TESTING FOR SUBSTATION AUTOMATION SYSTEMS - Protection, measurement and control IEDs in a substation compute if switches they control may be operated safely, according to interlocking rules or physical principles as well as the dynamic topology of the substation. The IEDs have access to the substation electrical topology, to real-time information generated by other IEDs, and to the rules for interlocking. A standardized Substation Configuration Description (SCD) of the substation for which a Substation Automation system is intended, and a standardized description of the implemented device functions or capabilities of an individual IED are utilized. The substation topology is available from SCD file, real time information about the position of switches and line voltage/current can be obtained via an appropriate protocol, and the interlocking rules are available in script form. These features apply both to simulated and real devices, and increase system testing possibilities by supporting an efficient configuration of a simulation. | 08-12-2010 |
| 20100204851 | CONTROLLING DISTRIBUTION OF ELECTRICAL POWER - The present disclosure is concerned with controlling distributing of electrical power in a power distribution region. To effectively control the distribution of power in the distribution region, the substation of the region is provided with a distribution controller or Intelligent Substation Control System (ISCS). The distribution controller is connected to various process devices, which in turn are connected to primary devices of the region. The process devices send data corresponding to the primary devices to the distribution controller, and the distribution controller includes a processor which proposes a set of actions based on the received data. Further, the distribution controller includes a coordinating device which selects the final action from the set of proposed actions. The final action is implemented on the primary devices of the distribution region. | 08-12-2010 |
| 20100204843 | DISTRIBUTION CONTROLLER - A distribution controller is disclosed for controlling a distribution of electrical power in an assigned power distribution region. The controller is adapted to be communicatively connected to process or secondary devices (IEDs, RTUs) which in turn interact with primary devices of the assigned region. The controller includes a processing module executing algorithmic, logical or functional modules or client applications. The latter implement application function algorithms that calculate, based on process data from process devices connected to the controller, values of a power distribution quantity such as voltage, current, power flow, load, or a phasor quantity of the assigned region. The controller further includes, for the purpose of data exchange with the process devices communicatively connected to the controller, data servers. The controller is adapted for writing the output or results of the functional module, i.e. a value of the aforementioned power distribution quantity, to one of said data servers, and thus takes advantage of the existing controller structure. | 08-12-2010 |
| 20100201338 | HYBRID DISTRIBUTION TRANSFORMER WITH AC & DC POWER CAPABILITIES - A hybrid transformer is provided that includes an electromagnetic transformer and an AC-AC converter with a DC bridge. The AC-AC converter is operable to keep the input voltage and current of the hybrid transformer substantially in phase and to reduce fluctuation in the output voltage of the hybrid transformer in the event of an increase or decrease in the input voltage. | 08-12-2010 |
| 20100198422 | INTEGRATED VOLTAGE AND VAR OPTIMIZATION PROCESS FOR A DISTRIBUTION SYSTEM - The method determines the optimal settings for the controllable taps u | 08-05-2010 |
| 20100180686 | PRESSURE SENSOR - A pressure sensor is disclosed wherein pressure induced changes in birefringent properties of an optical sensing element are read out by transmission of at least one light beam. The pressure sensor can include at least one single-material transparent body which is subjected to at least two different pressures (p | 07-22-2010 |
| 20100179690 | PROCESS CONTROL, SYSTEM, AND METHOD FOR THE AUTOMATED ADAPTATION OF PROCESS PARAMETERS OF AT LEAST ONE HANDLING DEVICE - A system for automated adaption of a process parameter of a handling device includes a supervision device configured to selectively monitor at least one process parameter and/or to adapt the at least one process parameter of the handling device in an automated manner based on specifications and/or the environment and/or in a rule-based manner in interaction with a control/regulation device, wherein environment/safety-specific specifications and/or regulations are complied with and/or implemented irrespective of the type of a respective working process, wherein the system is configured to interact with the control/regulation device configured to monitor, control and/or regulate the handling device. | 07-15-2010 |
| 20100161151 | FEEDER AUTOMATION FOR AN ELECTRIC POWER DISTRIBUTION SYSTEM - A soft PLC technology based computer-implemented method includes updating a system configuration incidence matrix for an electric power distribution system based on both a depth-first search of a connectivity matrix for the electric power distribution system and information about the electric power distribution system, wherein the information includes at least status information about one or more switches of the electric power distribution system. The method further includes detecting a fault in the system based on the incidence matrix. The method further includes generating isolation control logic based on the incidence matrix and isolating the fault based on isolation control logic. The method further includes generating restoration control logic based on a breadth-first search of the incidence matrix and restoring the system based on the restoration control logic. | 06-24-2010 |
| 20100155924 | SEMICONDUCTOR MODULE - A semiconductor module includes first and second sub-units, each including at least one semiconductor chip, a first contact element having a first contact side, and a second or third contact element having a second or third contact side, respectively. The semiconductor chip has opposing first and second main electrode sides. The first main electrode side of the chip is thermally connected to the first contact side, and the second main electrode side is thermally connected to the second or third contact side. In the first sub-unit, a first fixation means connects the first and second contact elements and the chip together. In the second sub-unit, a second fixation means connects the first and third contact elements and the chip together. A flexible element, which is arranged between the first contact element and the first contact element, is electrically and thermally connected to the first contact elements. | 06-24-2010 |
| 20100147556 | ELECTRIC INSULATION ARRANGEMENT - An electric insulation arrangement including a field grading material including a matrix including a dielectric material. A plurality of micro varistor particles is distributed in the matrix. A plurality of bridge particles include an electrically conducting material and form electrically conducting bridges between individual micro varistor particles. The bridge particles form a percolating network together with the micro particles but do not form a percolating network by interconnection between themselves. | 06-17-2010 |
| 20100139974 | FLEXIBLE JOINT WITH RESISTIVE FIELD GRADING MATERIAL FOR HVDC CABLES AND METHOD FOR CONNECTING SAME TO HVDC CABLES - A method of connecting two high voltage DC cables in a flexible cable joint. Each high voltage DC cable can include, from the inside to the outside, a central conductor, an adjacent circumferential cable inner semicon layer, an adjacent circumferential cable insulation layer, and an adjacent circumferential cable outer semicon layer. The method includes: connecting the conductors of the two cables in a cable joint; providing adjacent to the conductors a circumferential joint inner semicon layer connecting the cable inner semicon layers of the two cables; providing at least one circumferential and contiguous layer of field grading material connecting the cable outer semicon layer with the joint inner semicon layer and covering the cable insulation layer of the corresponding cable; providing a circumferential joint insulation layer around the layer of field grading material, and where appropriate around the joint inner semicon layer; and providing a circumferential joint outer semicon layer connecting the cable outer semicon layers of the two cables. | 06-10-2010 |
| 20100138187 | ESTIMATING A TIME OFFSET BETWEEN STATIONARY CLOCKS - Time synchronization of two clocks is disclosed herein, such as two stationary clocks. A global time signal from a global time reference or common time source can be used to calculate a common view based clock offset between the two clocks. In parallel, a network based clock offset between the two clocks can be calculated based on messages exchanged over a communication network interconnecting the two clocks, without reverting to the global time reference. Two recent values (e.g., the two most recent values) of the common view clock offset and the network based clock offset can be combined or superposed in a seamless way to produce a final time offset estimate. The combination of independently calculated common view and network based clock offsets can be a weighted average of the two values, involving respective weights based on quality estimates of the latter. The time synchronization schemes based on a Global Positioning System (GPS) and a wide area communication network can be combined to synchronize the stationary clocks of phasor measurement units (PMUs) of a wide area monitoring system to a central server clock at a Network Control Center (NCC) of the system. | 06-03-2010 |
| 20100133915 | THYRISTOR CONTROLLIED SERIES CAPACITOR ADAPTED TO DAMP SUB SYNCHRONOUS RESONANCES - An apparatus for controlling a thyristor controlled series capacitor connected to a power transmission line. A thyristor firing control includes a unit for effectuating a desired capacitor voltage zero crossing in dependence of a line current and a capacitor voltage in response to a command signal. A command control provides the command signal to the thyristor firing control. The command control includes a damping control including a damper configured to damp at a least one discrete frequency. | 06-03-2010 |
| 20100127664 | METHOD FOR OPERATING AN ENERGY STORAGE SYSTEM - The present disclosure is concerned with operation of an energy storage system (ESS) connectable to an electric power system. The charging-discharging schedule of the ESS can be determined through application of a time-dependent forecast of ESS and power system states based on historical data. Exemplary embodiments can include ESSs which have been historically activated with a certain periodicity, for example, for power system load leveling, frequency regulation, arbitrage, peak load shaving and/or integration of renewable power generation. | 05-27-2010 |
| 20100117776 | COOLING SYSTEM FOR A DRY-TYPE AIR-CORE REACTOR - An air-core reactor with natural-air cooling of a winding includes first open spaces to let air flow through the winding in parallel with an axis of symmetry of the reactor and second open spaces crossing the first open spaces to let air flow through the winding angular to the axis of symmetry. A ventilation unit to produce a forced-air flow is arranged in such a way to the air-core reactor that a first part of the forced-air flow enters one of the first or second open spaces and at least one guiding element is arranged with respect to the crossing of the first and the second open spaces in such a way that the first part of the forced-air flow leaves and a second part of the forced-air flow enters the one of the first or second open spaces. A shielding element is arranged at another crossing of the first and the second open spaces so that substantially no air can leave or enter the one of the first or second open spaces. | 05-13-2010 |
| 20100117482 | VALVE APPARATUS - A rotating valve apparatus including a cylindrical casing, a shaft arranged symmetrically in the casing, a member fixedly attached to the shaft and in close fit with the cylindrical casing, defining separated chambers within the casing, at least one outlet fixedly arranged along the circumference of the casing and a plurality of axially arranged inlets, each of which is constantly in fluid communication with a respective one of the separated chambers. The axially arranged inlets are alternately in fluid connection with the outlet fixedly arranged along the circumference of the casing in response to rotation of the shaft and the member with respect to the casing. The member has an elliptically shaped cross section. | 05-13-2010 |
| 20100114400 | Voltage Regulation Optimization - A voltage regulation optimization (VRO) system receives inputs from a DCS or other distribution network control/monitoring system. The VRO then calculates optimized control commands for various network devices including the controllable taps of voltage regulating transformers. | 05-06-2010 |
| 20100114398 | Reactive Power Optimization - Var optimization (VARO) is a subsystem of a voltage and var optimization (VVO) system that processes a capacitor switching optimization problem. The VARO is a self contained process that may work stand alone or in conjunction with a Voltage Regulation Optimization (VRO) system to provide integrated VVO solutions. The VARO system takes network inputs and calculates optimal settings for distribution network capacitor banks. | 05-06-2010 |
| 20100114337 | METHOD AND SYSTEM FOR GENERATING A CONTROL SYSTEM USER INTERFACE - A method for providing an improved engineering interface for configuring, maintenance or monitoring an industrial control system. The system includes a computer and a plurality of process graphics including software objects for controlling and/or monitoring real world objects controlled by the control system. A display of a process graphic is automatically generated in a window or designated view including a tab. The process graphic is selected dependent on one or more logical groupings, or hierarchical positions in a structure, in which control system software objects representing the control objects, the real world objects, belong or are arranged. A view of a structure group including a selected object is automatically displayed including tabs, each of which tab being linked to another structure group in a structure view that also contains an instance of the selected object. An engineer or other user can easily find and navigate to all instances of a selected object when configuring etc a control system. A system, a user interface and a computer program are also described. | 05-06-2010 |
| 20100109474 | THERMOMAGNETIC GENERATOR DEVICE AND ENERGY CONVERTING METHOD - A generator device for converting thermal energy to electric energy. A magnetic circuit includes at least a portion made of a magnetic material. A temperature-varying device varies the temperature in the portion made of the magnetic material alternately above and below a phase transition temperature of the magnetic material to thereby vary the reluctance of the magnetic circuit. A coil is arranged around the magnetic circuit, in which electric energy is induced in response to a varying magnetic flux in the magnetic circuit. A magnetic flux generator generates magnetic flux in the magnetic circuit. A controllable electric circuit device is connected to the coil and a control device controls the controllable electric circuit device. | 05-06-2010 |
| 20100109323 | DEVICE AND METHOD FOR CONVERTING ENERGY - A device for transforming thermal energy to electric energy including a magnetic circuit including at least a portion made of a magnetic material, a temperature-varying device for varying the temperature in the portion made of the magnetic material alternately above and below a phase transition temperature of the magnetic material to thereby vary the reluctance of the magnetic circuit, and a coil arranged around the magnetic circuit, in which electric energy is induced in response to a varying magnetic flux in the magnetic circuit. A capacitor is connected in parallel with the coil to thereby form a resonant circuit, wherein the resonance frequency of the resonant circuit and the frequency of the temperature variation above and below the phase transition temperature of the magnetic material are dependent on one another to optimize the electric power output. | 05-06-2010 |
| 20100108870 | PRESSURE SENSOR - A pressure sensor is disclosed with at least one pressure sensing element, the pressure induced changes in the optical properties of which are evaluated by illumination with at least one light source. The pressure sensor can include at least two semiconductor-based pressure sensing elements located in individual pressure chambers, which sensing elements are located essentially adjacent to each other. The sensing elements can be irradiated with the same light source, wherein the light transmitted through the sensing elements is detected using at least two corresponding detectors, and wherein the differential pressure in the two pressure chambers is evaluated based on the output of these detectors. | 05-06-2010 |
| 20100107108 | METHOD AND SYSTEM FOR GENERATING A CONTROL SYSTEM USER INTERFACE - A method for providing navigation in a user interface for an industrial control system including a computer, a display device, a plurality of process graphics, and at least one user interface. A plurality of software objects are displayed for use in controlling and/or monitoring of real world objects controlled by the control system. One or more designated views are generated providing navigation between members of a group of context-related process graphics. Each process graphic with a designated view is a member of a predetermined group of process graphics, where each designated view includes one or more tabs directly linked to other members of the predetermined group in the industrial control system. A system and computer program for carrying out the method are described. | 04-29-2010 |
| 20100105815 | HIGH TEMPERATURE VULCANIZED SILICONE RUBBER - A high temperature vulcanized silicone rubber is disclosed and includes a high temperature vulcanized silicone rubber as a silicone base and melamine cyanurate as a filler and at least one inorganic filler which is different from melamine cyanurate, and optionally further additives. A total filler content can be within a range of 40 parts (by weight) to 230 parts (by weight) per 100 parts (by weight) of silicone base; wherein (i) the melamine cyanurate is present within a range of 2 parts (by weight) to 40 parts (by weight) per 100 parts (by weight) of silicone base; and (ii) the at least one inorganic filler is an electrical insulator. | 04-29-2010 |
| 20100094573 | Short-Term Load Forecasting Based Capacity Check for Automated Power Restoration of Electric Distribution Networks - A method of forecasting loads on a distribution network is disclosed. The method employs load profiles in combination with short-term load estimations to forecast expected loads on a distribution network. The predicted loads may then be used by power restoration controllers when performing back-feed capacity checks. | 04-15-2010 |
| 20100094477 | DETERMINATION AND USE OF POWER SYSTEM SENSITIVITIES - The present disclosure relates to power system sensitivities as computed from power flow parameters and control parameters of a Power Flow Control Device (PFC). To this end, control parameter variations are applied to or generated by a PFC, and comprise variations in a control input u, a control effort e (injected series voltage, inserted series reactance), or a control effect q (power flow, active power transfer, phase-shift, current). A power flow response measuring unit measures a variation of a power flow response such as current, active or apparent power, in a way sufficiently synchronized with the control parameter variation to allow establishing an unambiguous causal relationship or correspondence in the form of a power system sensitivity. The latter may be on-line adapted to continuously reflect an updated aspect of the power system behaviour, and thus enable an improved, fast and reliable power flow control in power systems comprising a meshed power network with two parallel flow paths or corridors connecting two areas or sub-systems. | 04-15-2010 |
| 20100088627 | METHOD FOR LOADING AND DISPLAYING DIFFERENT PROCESS DISPLAYS ON A USER INTERFACE OF AN INDUSTRIAL CONTROL SYSTEM - A method for providing an improved user navigation interface for an industrial control system. The system includes a computer and a display device and a computer implemented workplace application. The system also includes a plurality of process control interfaces displayed on the display device. The process control interfaces include one or more software objects for controlling and/or monitoring objects controlled by the control system. The method includes displaying in the user interface a set of the process control interfaces generated by one instance of the workplace application in a designated view that includes a corresponding set of graphic user interface objects. Each graphic user interface object identifies and, on selection, displays the corresponding the process control interface. By selecting a first or second graphic user interface objects, a user can switch between a display of a first process control interface and a display of the second process control interface provided by the same instance of the workplace application. A graphic user interface, a system and a computer program for carrying out the method are also described. | 04-08-2010 |
| 20100082844 | FIELD DEVICE CONTROLLER ADAPTER - A controller adapter including a controller interface configured to interface with a controller for a legacy field device of an electrical power distribution system, wherein the controller communicates based on a first protocol, a network interface configured to interface with a network common to a plurality of assets of the electrical power distribution system, wherein the network interface communicates based on a second protocol, a mapper that maps information received from the legacy field device controller about the legacy device that to the second protocol, and storage that stores at least one logic function, wherein at least one input and/or output of the logic function is connected to the mapped information. | 04-01-2010 |
| 20100070247 | METHOD FOR ESTIMATING STATES OF A POWER ELECTRONIC SYSTEM - A method is disclosed for estimating states of a power electronic system, the system having a converter circuit. An exemplary method includes varying a system state vector x(k) and a system state vector x(k+1) for each of sampling times k=−N+1 to k=0 in such a manner that a sum formed by an addition of a first vector norm obtained by subtracting a first system model function f(x(k), u(k)) from the system state vector x(k+1), and another vector norm obtained by subtracting a second system model function g(x(k), u(k)) from the output variable vector y(k), becomes minimal over the sampling times k=−N+1 to k=0. A desired system state vector x(k) at the sampling time k=0 can then be selected. | 03-18-2010 |
| 20100066381 | APPARATUS AND METHOD FOR ADAPTIVE FAULT DETECTION IN MV DISTRIBUTION CIRCUITS - A method and a protective device operable to perform the method are provided, wherein the method is for detecting and analyzing faults in a first cable and one or more other cables, which convey power in a three phase feeder system. Current magnitude in the first cable is compared to a threshold level. If the current magnitude exceeds the threshold level, the duration of the condition is measured. If the duration falls within a predetermined duration range, a predetermined time interval is allowed to pass and then a determination is made whether a fault is detected in the one or more other cables. If a fault is not detected in the one or more other cables, then a determination is made that a single phase fault has occurred in the feeder system. | 03-18-2010 |
| 20100052434 | SWITCHGEAR CELL FOR SWITCHING FIVE OR MORE VOLTAGE LEVELS - A switchgear cell is disclosed for switching n switching voltage levels, where n is an odd number of 5 or greater (i.e., n=5, 7, 9, . . . ,) is specified. The switchgear cell includes a first and a second branch circuit, wherein each branch circuit includes n-1 series-connected power semiconductor switches and p=n-2 power semiconductor switch junction points among the series-connected power semiconductor switches of each branch circuit. An intermediate circuit includes a first and a second capacitance, the first capacitance being connected to a power semiconductor switch junction point having an odd counting number x of the first branch circuit when the power semiconductor switch junction points can be counted starting with an odd counting number x from the first end to the second end of a respective branch circuit. The second capacitance is connected to a power semiconductor switch junction point of the second branch circuit. A power semiconductor switch of the intermediate circuit is connected to a power semiconductor switch junction point having a counting number x<(p+1)/2 of the first or second branch circuit or to the first end. Alternatively, the intermediate circuit includes a capacitance connected to a power semiconductor switch junction point having a counting number x<(p+1)/2 of the first and second branch circuits, and a power semiconductor switch connected to a power semiconductor switch junction point having a counting number x<(p+1)/2 of the first or second branch circuit. Another power semiconductor switch of the intermediate circuit is connected to a power semiconductor switch junction point having a counting number x≦(p+1)/2 of the first or second branch circuit, and is not directly connected to the capacitance of the intermediate circuit. | 03-04-2010 |
| 20100051306 | HIGH VOLTAGE BUSHING - A high voltage bushing for transferring AC or DC high voltage and current. The bushing includes an electrically connectable electrical conductor, an insulator housing enclosing the conductor, and a space filled with an electrically insulating gas in between said insulator housing and said conductor. The electrical conductor is coated with a surface layer of a material having a thermal emissivity substantially larger than a thermal emissivity of the conductor. | 03-04-2010 |
| 20100048794 | ELECTRIC INSULATION MATERIAL COMPOSITION, A METHOD OF PRODUCTION THEREOF AND USE THEREOF - An electric insulation material including a thermoplastic matrix. The material includes a hydrophobic agent embedded in the matrix. | 02-25-2010 |
| 20100045305 | METHOD AND SYSTEM FOR PARTIAL DISCHARGE TESTING OF AN INSULATION COMPONENT - The disclosure relates to a method for partial discharge testing of an insulation component, wherein at least one X-ray pulse is applied to the insulation component, an AC voltage is applied to the insulation component and the partial discharge induced by the at least one X-ray pulse is measured, wherein the dose rate of the at least one X-ray pulse is at least about 10 | 02-25-2010 |
| 20100044345 | CONTACT ELEMENT - An electric contact element for an arcing contact including a contact body arranged to be applied against a contact element. The contact body includes a M | 02-25-2010 |
| 20100036525 | PARTS HANDLING DEVICE, SYSTEM AND METHOD - A method for operating a system including at least two robots for handling parts and a robot control unit arranged for control of said at least two robots. Each of the robots is arranged with a parts handler device including a rigid arm with one end connected to the end element of an arm of the robot by a first swivel arranged for radial movement of the rigid arm in relation to the end element. Each of the robots is also arranged with a gripper connected to the rigid arm by a second swivel arranged for free, passive rotation of the gripper in relation to the rigid arm. The method includes generating instructions for the at least two robots to pick and/or move and/or place a part and sending the instructions to each robot simultaneously. | 02-11-2010 |
| 20100032188 | ELECTRIC INSULATOR AND USE THEREOF - An electric insulator including an electric insulation and a semiconducting layer forming on an outermost surface of the insulator that faces the environment surrounding the electric insulator. The semiconducting layer includes a polymer matrix. Particles of a material confer a semiconducting character to the layer. The particles are dispersed in the matrix. The particles include nanostructures. | 02-11-2010 |
| 20100032187 | SILICONE RUBBER WITH IMPROVED HYDROPHOBIC STABILITY - An electrical insulating composition that can be used in high voltage applications. The electrically insulating composition includes silicone rubber and has improved hydrophobic stability over other silicone rubbers. The material is particularly suited to be used in high voltage (> | 02-11-2010 |
| 20100023179 | DAMPING ELECTROMAGNETIC OSCILLATIONS IN POWER SYSTEMS - Exemplary embodiments of the present disclosure provide a method and controller for damping multimode electromagnetic oscillations in electric power systems which interconnect a plurality of generators and consumers. The controller for damping such oscillations includes a phasor measurement unit (PMU) and a power oscillation damper (POD) controller. Each oscillating mode signal is damped and then superposed to derive a control signal. A feedback controller is used to feedback the control signal to a power flow control device in the power system. | 01-28-2010 |
| 20100023141 | Method And System For Creating HMI Applications For An Automation Process - There is described a method and system for developing for an automation process a screen viewable on a target computer that has user interface objects. A development computer has a set of common design time components from a general purpose software development kit that also has a databinding facility and a set of customization components. Those components have an interface that allows access to the available for use automation process data objects and a process object picker that act as a user interface to the databinding facility to allow the browsing of a subset of the available for use data objects and selecting of one or more of the objects in the subset for binding by the databinding facility either to one or more members of the user interface objects or one or more of the user interface objects or a combination of the same. | 01-28-2010 |
| 20100018752 | HIGH VOLTAGE BUSHING - A high voltage bushing including a voltage grading shield in two parts. | 01-28-2010 |
| 20100018750 | CURABLE EPOXY RESIN COMPOSITION - A curable epoxy resin composition is provided. The composition includes at least one diglycidyl ether of bisphenol A (DGEBA) and at least one diglycidyl ether of bisphenol F (DGEBF) as epoxy resins, in which the weight ratio of DGEBA:DGEBF is within the range of about 15:85 to 45:55; (ii) an anhydride hardener; (iii) and at least one plasticizer. The composition can additionally include a catalyst, at least one filler material and/or further additives. The dynamic complex viscosity value (η*) of the composition is within the range of 0.1 to 20 Pa·s. The present disclosure also provides a process for making the composition and electrical articles including an electrical insulation system made from the composition. | 01-28-2010 |
| 20100017746 | METHOD AND SYSTEM FOR GENERATING A CONTROL SYSTEM USER INTERFACE - A method for providing a user interface for an industrial control system including a computer and a plurality of process graphics including software objects for controlling and/or monitoring real world objects controlled by the control system. A display of selected process graphics, a designated view arranged with a tab or another selector, is automatically generated. The designated view may be generated dependent on selecting one or more logical groupings to which control system software objects representing the real world objects belong. At least one tab on a designated view, or an active link, is arranged to display a small visual representation of a second process graphic to which it is linked on detection of a computer input on or near the at least one tab, or link. | 01-21-2010 |
| 20100012621 | METHOD OF TREATING COPPER SULPHIDE DEPOSITS IN AN ELECTRICAL APPARATUS BY THE USE OF OXIDISING AGENTS - A method of treating copper sulfide deposits on materials and surfaces that are in contact with electrically insulating oil inside an electrical apparatus. A substantial amount of the electrically insulating oil, normally present in the electrical apparatus, has been removed. The copper sulfide is subjected to treatment with an oxidizing agent which causes a reaction with the copper sulfide deposits. The oxidizing agent can include any compound from the list; chlordioxide, a peroxy acid or ozone. | 01-21-2010 |
| 20090324808 | METHOD OF REMOVING UNWANTED SULPHUR COMPOUNDS FROM THE INSULATING OIL OF AN ELECTRICAL APPARATUS - A method of treating copper sulfide deposits on materials and surfaces that are in contact with electrically insulating oil inside an electrical apparatus. The copper sulfide deposits on materials and surfaces are subjected to treatment with an iodine compound causing a substitution reaction with the copper sulfide. | 12-31-2009 |
| 20090323240 | DEVICE FOR SUPPRESSING HIGH FREQUENCY CURRENT OR/AND VOLTAGE COMPONENTS - The subject of the invention is a device for suppressing high frequency current or/and voltage components, applicable in protecting electrical equipment, especially against the effects of overvoltage in electrical power networks and stations. The inventive device is characterised in that it contains a series impedance element which is at least one magnetic core reactor ( | 12-31-2009 |
| 20090317694 | Temperature controller - A temperature controller for providing heat to an energy storage device of a power compensator. The energy storage device includes a plurality of high temperature battery units on high potential. The temperature controller includes a pipe network for housing a heat transfer medium. The pipe network includes a main pipe loop and a local pipe loop in each battery unit. Each local pipe loop includes a first end for receiving a heat transfer medium and a second end for exhausting the medium. | 12-24-2009 |
| 20090312958 | Defect Detection System for Identifying Defects in Weld Seams - The disclosure relates to a defect detection system for identifying defects in weld seams. An exemplary system comprises a scanner device, which is mounted on a displacement device of a processing unit and which can be displaced by said unit over at least one weld seam that is to be examined. The scanner unit scans the weld seam using a predefinable frequency, each scanning sweep being correlated with a time signal and the time signal being used to record the point in time when at least one location containing defects is scanned. The system is equipped with an analysis module to determine the co-ordinates of the defects from the signals that are obtained by means of the scanning sweeps. The analysis module also stores the co-ordinates of the defects and transmits them to a localisation module. The localisation module determines the spatial arrangement of the defects of the weld seam by evaluating the speed profile of the displacement device during the scanning sweeps, the time signal that is assigned to the scanned location containing defects and the co-ordinates of the defects that are provided by the analysis module. | 12-17-2009 |
| 20090309421 | POWER COMPENSATOR AND METHOD FOR PROVIDING A BLACK START WITH THAT COMPENSATOR - A power compensator for an electric power transmission line. The power compensator includes a voltage source converter, a capacitor and an energy storage device. The energy storage device includes a high voltage battery having a short circuit failure mode, a first main switch and second main switch for disconnecting the battery from the capacitor, and a control unit for operating the first and second switch. | 12-17-2009 |
| 20090299542 | Collaborative Defense of Energy Distribution Protection and Control Devices - A method is disclosed for preventing malicious settings changes to IEDs in a power transmission and distribution network. Attempted changes to the protection settings of an IED is detected and transmitted to one or more neighboring IEDs. The neighboring IEDs check for consistency of the new settings and return conformance or nonconformance signals. If a nonconformance signal is received, the attempted setting change is not allowed. | 12-03-2009 |
| 20090290165 | OPTICAL HIGH VOLTAGE SENSOR - An electro-optical high-voltage sensor includes a waveguiding sensing fiber of an electro-optical material. The electrical field of the voltage to be measured is substantially parallel to the longitudinal axis of the sensing fiber. The sensing fiber carries two orthogonally polarized light waves, with the applied field affecting the birefringence between the waves. Using an electro-optical waveguiding fiber in this configuration allows the voltage between two widely spaced points to be accurately measured. | 11-26-2009 |
| 20090289617 | OPTICAL VOLTAGE SENSOR - A voltage sensor includes two optical sensing fibers and a control unit. The sensing fibers carry a first mode of light and a second mode of light, which are orthogonally polarized, with a birefringence between the two modes depending on the electric voltage to be measured. The control unit is configured to generate light for the two modes in the sensing element and to measure the phase delay suffered between the two modes. A 45° Faraday rotator is arranged between the control unit and the sensing fibers. The Faraday rotator allows the behavior and functionality of the sensing fibers and their associated components to be converted to those of a magneto-optical current sensors with polarization-rotated reflection, which in turn allows use of advanced measuring techniques developed for optical gyroscopes and current sensors. | 11-26-2009 |
| 20090289178 | DEVICE AND METHOD FOR PROCESSING AND/OR ANALYZING IMAGE INFORMATION REPRESENTING RADIATION - A method for processing and/or analyzing image information representing radiation in a spatially resolved manner using an optical system coupled to at least one detector includes the step of collecting said image information with said optical system using at least one micromechanical mirror moved such that the image information is scanned and coupled sequentially into the at least one detector. | 11-26-2009 |
| 20090288878 | BUSHING AND A METHOD FOR PRODUCING THE SAME - A bushing is disclosed with a duct for accommodating a conductor which is surrounded by an electrical field grading insulation. The bushing includes a core with a shell encapsulating the grading insulation and a flange surrounding the shell and carrying through holes distributed over its circumference for allowing the bushing to be attached to a wall. The shell and the flange can be in one piece and include an insulating matrix material. The through holes can be surrounded by metal inserts each forming an annular surface flush with a surface of the flange. A test tap can include a contact pin which is electrically conductively connected to an outermost layer of the grading insulation and surrounded by a contact ring connected to every second metal insert by connection wires for grounding the contact pin via the contact ring when the test tap is not in use and covered. The core can be produced by filling a mould with the liquid matrix material after components of the grading insulation and other parts have been fixed in the liquid matrix material. | 11-26-2009 |
| 20090284926 | TWO-PHASE COOLING CIRCUIT - The disclosure relates to a two-phase cooling circuit. The cooling circuit can include an evaporator and a condenser. The evaporator and condenser can be connected by a feeder line and a first return line. A phase separator is arranged at an inlet side of the condenser. The phase separator can be connected with the evaporator by a second return line. | 11-19-2009 |
| 20090284925 | EVAPORATOR FOR A COOLING CIRCUIT - An evaporator is disclosed for a cooling circuit. The evaporator includes a housing having at least one wall for contacting a heat emitting device. A channel, the cross section of which is small enough to allow convection boiling, and a separation volume are located in the evaporator. The separation volume is located at a vapor exiting port of the channel. The evaporator can include a liquid reservoir. | 11-19-2009 |
| 20090281740 | CABLE FAULT DETECTION - A cable fault detection component ( | 11-12-2009 |
| 20090281737 | METHOD AND SYSTEM FOR MONITORING PROCESS STATES OF AN INTERNAL COMBUSTION ENGINE - For monitoring (unmeasured) process states of a rotating machine having a combustion chamber (e.g. a gas turbine), compositions of educts entering the combustion chamber are measured. Based on the compositions of the educts, the composition of the product produced by the combustion chamber can be determined. Moreover, the mechanical power (P | 11-12-2009 |
| 20090281659 | CONTROL SYSTEM - A control system for an industrial robot. The control system includes a memory unit configured to store at least one task program intended for controlling movements of the robot and including movement instructions for controlling the movements of the robot. A program executer is configured to generate instructions based on movement instructions included in the task program and data necessary to be able to carry out the instructions. A path planner is configured to receive the instructions from the program executer and based thereon to plan how the movements of the robot are to be designed to enable the robot to carry out the movement instructions. The control system includes a recording device, with at least one memory unit connected thereto, arranged for the purpose of recording and storing the instructions and the data sent to the path planner from the program executer. | 11-12-2009 |
| 20090271032 | SYSTEM AND METHOD FOR CONTROLLING A MOVEMENT DEVICE - A system for controlling a movement device is disclosed. The system includes a movement device with a tool provided on the movement device, a movement device controller, a safety controller, a tool maintenance station and a movement detection unit for calculating a position of the movement device in the safety controller. The system includes a position detection module for generating a signal corresponding to a positioning of the tool in the tool maintenance station, which signal is made available to the safety controller by a transmission unit for the signal. | 10-29-2009 |
| 20090268368 | ROLLED FILM CAPACITOR - A rolled film capacitor is disclosed which includes a first dielectric film and a second dielectric film, which are wound along their length dimension to form alternating turns of the winding. A plurality of first conductive segments are arranged on a first surface of the first dielectric film along the length dimension of the first dielectric film, and a plurality of second conductive segments are arranged on a surface of the second dielectric film along the length dimension of the second dielectric film, or on a second surface of the first dielectric film along the length dimension of the first dielectric film. The first conductive segments can have a progressively increasing length along the length dimension of the first dielectric film, and the second conductive segments have a progressively increasing length along the length dimension of the first or second dielectric film. The number of the first and/or second conductive segments per turn of the winding can be equal to or more than one. | 10-29-2009 |
| 20090266605 | HIGH VOLTAGE VALVE GROUP WITH INCREASED BREAKDOWN STRENGTH - A high voltage assembly including a valve group and a shield connected to the valve group. A resistor is connected between the shield and the valve group The assembly provides an increased breakdown strength and DC withstand level. | 10-29-2009 |
| 20090266600 | HIGH VOLTAGE DC BUSHING AND DEVICE COMPRISING SUCH HIGH VOLTAGE BUSHING - A high voltage DC bushing including a fluid duct with non-constant width (Δr) along the axial direction of the bushing. | 10-29-2009 |
| 20090266514 | HEAT EXCHANGE DEVICE - A heat exchange device comprises a base and a plurality of fins. The plurality of fins are in thermal contact with the base to allow heat transport from the base to the fins. Further, the fins comprise at least one respective channel containing a working fluid. The fins are arranged in at least a first and a second row. The rows can be laterally displaced with respect to each other. Further, the first row and second row may be staggered with respect to each other. | 10-29-2009 |
| 20090260843 | HIGH VOLTAGE BUSHING - A high voltage bushing including a metal part provided with a resistive layer. | 10-22-2009 |
| 20090250512 | AUTOMATIC DEVICE REGISTRATION SYSTEM WITH BARCODE IDENTIFICATION AND MAINTENANCE INFORMATION GENERATION - A system for transmitting product information of a product is described. The system contains a product with an electronic controller for acquiring and/or storing product information, wherein the product information comprises standard information about the product and current product information, a barcode generating component for generating a barcode for representing the product information, wherein the barcode generating means is connected to the product for data transfer or is integrated into the product, and a barcode updating device for updating the barcode on the basis of the standard information about the product and current product information. There is furthermore an acquisition module for the information acquisition of the product information from the barcode by means of an image recording device. | 10-08-2009 |
| 20090231896 | CONVERTER CIRCUIT FOR SWITCHING A LARGE NUMBER OF SWITCHING VOLTAGE LEVELS - A converter circuit for switching a large number of switching voltage levels is specified, in which a first switching group is provided for each. Second switching groups are provided, each having a first, second, third, fourth, fifth and sixth drivable bidirectional power semiconductor switch and capacitor. The first drivable bidirectional power semiconductor switch is reverse-connected in series with the second drivable bidirectional power semiconductor switch, the third drivable bidirectional power semiconductor switch is reverse-connected in series with the fourth drivable bidirectional power semiconductor switch, the first drivable bidirectional power semiconductor switch is connected to the capacitor, the third drivable bidirectional power semiconductor switch is connected to the capacitor, the fifth drivable bidirectional power semiconductor switch is directly connected to the fourth drivable bidirectional power semiconductor switch, and the sixth drivable bidirectional power semiconductor switch is directly connected to the second drivable bidirectional power semiconductor switch. | 09-17-2009 |
| 20090218993 | DEVICE AND A METHOD FOR CONTROL OF POWER FLOW IN A TRANSMISSION LINE - A device for control of power flow in a three-phase ac transmission line. The device includes a series transformer unit, a shunt transformer unit, and a reactance unit. | 09-03-2009 |
| 20090217724 | MECHANICAL PRESS DRIVE SYSTEM - A method for operating a mechanical press including an electric drive motor, a drive control for controlling the motor, a ram, a flywheel, a clutch and a member for translating rotational motion of the flywheel in a first rotation direction into a linear motion of the ram arranged to be lowered and raised along a linear path for operating the press to carry out a press production cycle. The press cycle includes a pressing part and one or more non-pressing parts. The press includes a second drive motor or actuator arranged connected to the ram and by providing a control output to the drive control means, the speed of the second drive motor is made variable during at least one part of the press production cycle. The press may be reversed between production cycles. A press and system including such a press. | 09-03-2009 |
| 20090216573 | Method and device for automatic event detection and report generation - A robot controller including a control unit and a portable operating device (TPU) for teaching and manually operating the robot. The TPU includes safety equipment, a safety TPU-part having a first communication unit and a main TPU-part having a third communication unit. The control unit includes a safety control part having a second communication unit and a main control part having a forth communication unit. The first and second communication units are arranged such that they form a first communication channel for transferring communication data including information regarding the status of safety equipment from the TPU to the control unit. The third and fourth communication units are arranged such that they form a second communication channel for transferring general communication data between the TPU and the control unit. Each of the main TPU-part, the safety TPU-part, the main control part, and the safety control part includes a central processing unit adapted for generating and/or handling the communication data. Each of the communication units is connected to a network. Each of the communication units forms a node in the network. | 08-27-2009 |
| 20090216472 | PARAMETER ESTIMATION FOR AND USE OF A THERMAL MODEL OF A POWER LINE - A relationship between a temperature T | 08-27-2009 |
| 20090216341 | Method and System for Providing a User Interface - A method for providing a user interface for an industrial control system. Information is presented at least in part displayed in layers or filters on one or more display screens of a control system. The control system may include other media for presenting or displaying information. The content for the one or more layers, which also provide an interface to a process state or function, is determined based on information available from the control system, dependent on which of the available items of the information shall be visually displayed or otherwise presented prominently, or displayed less prominently, or hidden. An interface, computer programs and a control system are also provided. | 08-27-2009 |
| 20090212897 | LOW VOLTAGE COIL AND TRANSFORMER - To improve its fire resistance, the winding of a low voltage coil for a dry transformer is, at its circumferential surface, covered by a wrap made up of four turns of a protective foil comprising a layer consisting of woven glass fibers impregnated with silicone resin with an admixture of mica. An inner part winding and an outer part winding are separated by a gap comprising twelve rectangular aluminium tubes as spacers. At a lower end, the end face of the winding is covered with a protective cover comprising epoxy resin. | 08-27-2009 |
| 20090212731 | ROBOT CONTROL SYSTEM COMPRISING A PORTABLE OPERATING DEVICE WITH SAFETY EQUIPMENT - A robot controller including a control unit and a portable operating device (TPU) for teaching and manually operating the robot. The TPU includes safety equipment, a safety TPU-part having a first communication unit and a main TPU-part having a third communication unit. The control unit includes a safety control part having a second communication unit and a main control part having a forth communication unit. The first and second communication units are arranged such that they form a first communication channel for transferring communication data including information regarding the status of safety equipment from the TPU to the control unit. The third and fourth communication units are arranged such that they form a second communication channel for transferring general communication data between the TPU and the control unit. Each of the main TPU-part, the safety TPU-part, the main control part, and the safety control part includes a central processing unit adapted for generating and/or handling the communication data. Each of the communication units is connected to a network. Each of the communication units forms a node in the network. | 08-27-2009 |
