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Plural sources of supply

Subclass of:

307 - Electrical transmission or interconnection systems

307011000 - PLURAL LOAD CIRCUIT SYSTEMS

Patent class list (only not empty are listed)

Deeper subclasses:

Class / Patent application numberDescriptionNumber of patent applications / Date published
307023000 Substitute or alternate source 86
307024000 With control of magnitude of current or power 61
307025000 Diverse sources 46
307019000 Interconnected for energy transfer 46
307029000 Selectively connected loads and/or sources 41
Entries
DocumentTitleDate
20120200155Electric power distribution methods and apparatus - A plurality of end-user locations are served by a commercial utility grid. More than one and less than all of the end-user locations are themselves interconnected by a feeder, the feeder not metallically connected to the utility grid. The end-user locations each have a local AC bus that is not metallically connected to the utility grid or to the feeder, but that is linked by a coupler to both the utility grid and to the feeder. None of the local AC buses or the feeder is required to have the same phase or frequency as the utility grid. Locally generated electric power may be passed by means of the feeder to other end-user locations that are on the feeder. Each local AC bus has two or more inverters powering the bus.08-09-2012
20090195069SIGNAL TRANSMISSION CIRCUIT - A circuit includes a transformer, and primary and secondary circuits. The primary generates a first pulse across the primary coil of the transformer when a first input goes high and a second input goes low, and generates a second pulse when the first and second inputs go high. The primary generates a third pulse when the first and second inputs go low, and generates a fourth pulse when the first input goes low and the second input goes high. A first output from the secondary goes high when a pulse is induced across the secondary coil by the first or second pulse, and goes low when a pulse is induced by the third or fourth pulse. A second output from the secondary goes high when a pulse is induced by the second or fourth pulse, and goes low when a pulse is induced by the first or third pulse.08-06-2009
20090195068Power conversion apparatus - To realize power supply to each gate drive circuit without using an individual dedicated power supply for each gate drive circuit. A power conversion apparatus includes an individual drive unit that does not require a dedicated power supply, and includes gate drivers connected to switches and interface circuits and a power converter gate drive configured with a common power supply for supplying power to the gate drive unit. Power is supplied from main circuits or a number of common power supplies fewer than that of the number of the switches through one or more power supply terminals included in the interface circuit. Also, the signal can be transmitted by isolation from a signal source to the gate drivers.08-06-2009
20130038123WAVEFORM DISTORTION MITIGATION IN POWER SYSTEMS - Systems and methods for governing a signal waveform of a signal flowing through a component of a power transmission system that includes a plurality of switch-mode power processors and may be a polyphase system. At least one of current and voltage is integrally monitored at each of a plurality of locations on the power system and is characterized relative to specified constraints. When a monitored voltage or current is outside of the specified constraints, the voltage or current is modified by changing at least one of the time delay or phase characteristics of at least one of the source, load and transmission elements on the power transmission system.02-14-2013
20120205973Pseudo-Random Bit Sequence Generation for Maximum Power Point Tracking in Photovoltaic Arrays - A converter unit configured to couple to a photovoltaic panel (PV) may include a controller to sense an input voltage and input current obtained from the photovoltaic panel, and manage the output voltage of a corresponding power converter coupled to a DC bus to regulate the resultant bus voltage to a point that reduces overall system losses, and removes non-idealities when the panels are series connected. The controller may also perform input voltage management and regulation, including maximum power point tracking (MPPT) for the PV. The controller may probe the bus voltage using a probe waveform generated according to a pseudo-random bit sequence (PRBS), to provide a probe signal that is distinct from the control steps performed by the controller. A PV array may feature a respective converter unit coupled to each PV, with each respective controller using a different and unique seed for generating its PRBS.08-16-2012
20130038122MANAGING EXCESS RENEWABLE ENERGY - A renewable energy management system includes a load center that enables current flow into a renewable energy system generated from one or more sources and facilitates consumption of generated energy by one or more devices in the renewable energy system, and a smart meter that tracks energy flow in and out of the load center to measure energy consumption and energy production for the renewable energy system. The system also includes an energy manager in communication with the smart meter and at least one of the devices, wherein the energy manager signals the at least one of the devices to function as an energy storage device for storing excess renewable energy generated by the renewable energy system.02-14-2013
20130049462MULTICHANNEL POWER SUPPLY - Systems and methods for a multichannel power supply are disclosed. The multichannel power supply includes a front end circuit configured to receive an input voltage and to provide a regulated front end direct current (DC) voltage. A multichannel source circuit is coupled to the front-end circuit. The multichannel source circuit includes a controller, a reference voltage circuit, and a plurality of source circuits. Each source circuit in the plurality of source circuits represents a distinct output channel of the multichannel power supply. The multichannel source circuit is configured to generate a constant current output for each source circuit in the plurality of source circuits. Each load in a plurality of loads is connected to a corresponding source circuit in the plurality of source circuits and is configured to receive the corresponding constant current output via the corresponding source circuit.02-28-2013
20130069428POWER SYSTEM FOR ACTIVELY MAINTAINING OPERATION - A power system for actively maintaining operation includes a power supply unit electrically connected to a commercial power source, a back panel electrically connected to the power supply unit and an ON/OFF control unit. The power supply unit has an OFF state and an operating state to convert the power provided by the commercial power source for outputting. The back panel converges the output of the power supply unit and provides a driving power. The ON/OFF control unit has an input detection terminal electrically connected to the commercial power source to detect whether the commercial power source supplies power and at least one operation signal terminal to output an operation signal upon judging that the commercial power source supplies power to drive the power supply unit to enter the operating state.03-21-2013
20120112540SEMICONDUCTOR CHIP AND SEMICONDUCTOR DEVICE INCLUDING THE SAME - A semiconductor chip includes: a data output buffer that outputs a data signal; a first power-supply pad that supplies a first power-supply potential to the data output buffer; a power-supply wiring that is connected to the first power-supply pad; a strobe output buffer that outputs a strobe signal; and a second power-supply pad that supplies a second power-supply potential to the strobe output buffer. The power-supply wiring and the second power-supply pad are electrically independent of each other. Therefore, the power-supply noise associated with the switching of the data output buffer does not spread to the strobe output buffer. Thus, it is possible to improve the quality of the strobe signal.05-10-2012
20100127566Power Supply System - A power supply system, particularly to be used in maritime oil/natural gas production includes at least one data transfer/voltage conversion unit arranged above sea level and one electrical means such as a choke, gate valve, production tree, power control/communication unit and the like arranged below sea level, which are electrically connected via a cable connection at least for power supply.05-27-2010
20130162036Complementary Detection of Power Supplies Stability and Notifying Multiple Domains Regardless of Other Power Domains Readiness - A method and apparatus for powering up an integrated circuit having a plurality of power domains each coupled to receive power from one of a plurality of power sources, where each power domain includes an internal power detector which senses the power of a plurality of power domains (VDD06-27-2013
20130162035MULTI-DIRECTIONAL ELECTRICAL POWER PROTECTION SYSTEM - A multidirectional electrical power protection system, includes a first power supply and at least a second power supply with each supply being configured for supplying power to a main bus circuit; a first load bus electrically connected to the first power supply and at least the second power supply, at least a second load bus electrically coupled with each of the first power supply and at least the second power supply, the first load bus and the second load bus configured for energizing devices connected to the respective first and second load bus; and at least one smart contactor in coupled with the main bus circuit, the at least one smart contactor being configured for sensing a first current flowing in a first direction through the main bus circuit and for sensing a second current flowing in a second direction through the main bus circuit.06-27-2013
20120187760Power Distribution Device and Power Distribution Circuit - A power distribution device includes a number (N, N≧2) of power input terminals, a number (M, M≧2) of power output terminals, and a number (M) of power distribution circuits, each electrically coupled to a corresponding one of the power output terminals and electrically coupled to a number (P, P≧2) of the power input terminals. Each of the power distribution circuits includes a number (P) of diodes each electrically coupled between a respective one of the power input terminals and the corresponding one of the power output terminals, a switch element connected in parallel to one of the diodes, and a controller controlling the switch element to operate in a conducting state when the controller determines that power received at the power input terminal connected to the switch is normal, and controlling the switch element to operate in a non-conducting state when the power is abnormal.07-26-2012
20110298278CONVERTER 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
20120098336Fuel Cell Control Device and Method - A method includes controlling multiple networked input-parallel/output-parallel inverters of a fuel cell system as a single inverter assembly by a master controller. A fuel cell system includes a plurality of fuel cell segments, a plurality of DC/DC converters and at least one DC/AC inverter, where an output of each of the plurality of the fuel cell segments is connected to a pair of DC/DC converters, and each of the pair DC/DC converters is connected to an opposite polarity bus being provided to the inverter.04-26-2012
20120098335ENERGY SUPPLY IN AN ELECTRIC NETWORK - The invention relates to a device and a method that can enable generators for producing electrical energy to be kept stable on the network during and following a line failure, such as a voltage dip. This requirement is defined in the network connection conditions of many network operators and must be observed for installations of a certain power. According to the invention, during a line failure, a load is inserted, enabling the energy that can no longer be supplied to the electric network due to the voltage drop to be absorbed by the load.04-26-2012
20110198922SMART RESPONSIVE ELECTICAL LOAD - A smart responsive electrical load (08-18-2011
20110204717SYSTEM AND METHOD FOR PROVIDING COLLABORATING POWER CONTROLLERS - A method is provided in one example embodiment and includes receiving a message associated with a detection of reactive power in an energy system and inducing a first quantity of reactive power at a power level specified in the message. The first quantity of reactive power is induced in order to mitigate a second quantity of reactive power that is detected on a specific segment of the energy system. The first quantity of reactive power is induced at a local level on which a source associated with the second quantity of reactive power operates. In more specific embodiments, the message is sent in response to a sensor detecting the second quantity of reactive power, where the first quantity and the second quantity of reactive power are the same. In other embodiments, the method can include receiving a second message to stop mitigating the first quantity of reactive power.08-25-2011
20090189444Power supply system and ramp strategy - A power supply system for supplying power to a load is disclosed. The power supply system includes a power source, a high voltage terminal coupled to the power source, a programmable controller coupled to the power source, and a first low voltage terminal and a second low voltage terminal. Each low voltage terminal is coupled to the programmable controller. The programmable controller may be programmed to switch each of the first and second low voltage terminals between a connected state and a disconnected state and to implement a power up strategy when initially supplying power to the load.07-30-2009
20090184580POWER SUPPLY APPARATUS AND ELECTRONIC APPARATUS - A plurality of primary power supplies convert a primary power supply voltage into intermediate voltages. Secondary power supplies convert the intermediate voltages converted by the primary power supplies into supply voltages and output the same. A timing adjuster is inputted thereto plural sorts of power converted into the intermediate voltages from the plural primary power supplies to perform timing adjustment to absorb a difference in start timing between the plural primary power supplies, and causes the secondary power supplies to output the supply voltages. When the power is supplied from the plural power supplies to the load elements, stable power can be supplied to the load elements even if a difference in start time generates between the plural power supplies.07-23-2009
20090251001SEMICONDUCTOR CIRCUIT - A first signal processing circuit performs predetermined signal processing on a first signal to provide a change to a characteristic value thereof, and then outputs a second signal. A second signal processing circuit performs predetermined signal processing on the second signal to provide a change to a characteristic value thereof, and then outputs a third signal. A first and a second switching power supplies respectively supply power supply voltages to the first and second signal processing circuits. An amount of change provided to the characteristic value of the first signal by the first signal processing circuit, and an amount of change provided to the characteristic value of the second signal by the second signal processing circuit, are dependent on the respective power supply voltages. Phases of the first and the second switching power supplies are respectively set such that an error between the amount of change in the characteristic value of the first signal and its target value, and an error between that of the second signal and its target value, are to be canceled out by each other.10-08-2009
20110227411SYSTEMS AND METHODS FOR DETECTING AND CORRECTING A SUBOPTIMAL OPERATION OF ONE OR MORE INVERTERS IN A MULTI-INVERTER SYSTEM - Provided is a system and method for detecting and correcting a suboptimal operation of one or more maximum power point tracking (MPPT) devices in a solar photovoltaic power generation (SPVPG) system. MPPT devices may become stuck in a local maximum in a power curve and fail to reach an optimal maximum power point. Described herein are methods and systems for detecting sub-optimal performance of an MPPT device and managing components within the SPVPG system to cause the MPPT device to track a different maximum power point.09-22-2011
20100259100POWER FILTER - Generally, a DC power filter and its associated components are presented herein. The DC power filter may operate in a telecommunications chassis between one or more electrical sources and one or more loads. A common mode noise shunt may be included to shunt noise from more than one of the electrical sources or loads together. Additionally, the DC power filter may include protection circuitry that is coupled to more than one of the electrical sources. The protection circuitry may include a combination of diodes and other transient voltage suppression devices.10-14-2010
20100181830Method and apparatus for characterizing a circuit coupled to an AC line - A method and apparatus for characterizing a circuit coupled to an AC line. The apparatus comprises a consumption measurement unit (CMU), adapted for coupling, independent of voltage and current polarity, to the AC line and the circuit. The CMU comprises a discovery module adapted for (i) generating a circuit current signature based on current samples representative of current on a phase of the circuit, (ii) generating at least one AC line current signature based on AC line current samples representative of current on each phase of the AC line, and (iii) determining, based on the circuit current signature, the at least one AC line current signature, and at least one of a source profile or a load profile, at least one of a type or a voltage characteristic for the circuit.07-22-2010
20110057511DEVICE FOR DISCONNECTING AT LEAST ONE APPLIANCE FROM THE ELECTRICAL MAINS, WHICH PROVIDES AT LEAST ONE OVERRIDE OPERATING MODE, A CONFIGURABLE DEVICE, SYSTEM AND CONFIGURATION METHOD - According to a first aspect, the invention relates to a device 03-10-2011
20100314936Interconnection Switching System and Method for Connecting a Distributed Energy Resource to an Electrical Power System - A distributed energy resource (DER) switching system and method for connecting a DER to an electrical power system (EPS) protector, wherein the DER has a reactance-to-resistance ratio higher than the reactance-to-resistance ratio of the EPS protector. The DER switching system includes an input for receiving power from the DER, and an output for providing power from the DER to the EPS protector. The DER switching system is designed to effectively lower the higher reactance-to-resistance ratio of the DER during an over-current fault so that, during the fault, the effective reactance-to-resistance ratio at the output of the DER switching system is lower than the reactance-to-resistance ratio of the EPS protector. The method includes effectively lowering the reactance-to-resistance ratio of the DER by varying the operating state of a switching device in a controlled manner during the fault.12-16-2010
20100133902SEMICONDUCTOR INTEGRATED CIRCUIT AND VARIOUS DEVICES COMPRISING THE SEMICONDUCTOR INTEGRATED CIRCUIT - A power supply potential detecting circuit detects a power supply potential of a second circuit block when a first circuit block shifts from a power supply shutdown state to a power supply feeding state or shifts from the power supply feeding state to the power supply shutdown state. Then, an operation control circuit temporarily stops a function of the second circuit block when the first circuit block shifts from the power supply shutdown state to the power supply feeding state or shifts from the power supply feeding state to the power supply shutdown state and then recovers the function of the second circuit block based on a detection result outputted from the power supply potential detecting circuit.06-03-2010
20110068624SOLAR POWERED SYSTEM WITH GRID BACKUP - A system includes a solar power subsystem that receives power from one or more solar power arrays. A storage control subsystem is coupled to the solar power subsystem to charge a battery from the power received by the solar power subsystem. A grid power control subsystem having an AC to DC converter receives power from a power grid and provides DC voltage to the storage control subsystem. A balance of system control system controls the amount of power received from the power grid as a function of a load, battery charge and received power by the solar power subsystem. The solar array and battery may be sized to provide sufficient power under normal operating conditions, with power being drawn from the grid during abnormal operation conditions.03-24-2011
20110148193NETWORKED OCCUPANCY SENSOR AND POWER PACK - A lighting control system includes an enhanced occupancy sensor and/or an enhanced power pack, allowing for more sophisticated and/or accurate lighting control and energy management capability. In one example, the power pack and/or occupancy sensor is networkable, providing the capability to link and coordinate multiple power pack/occupancy sensor combinations, thereby providing zone-wide control and energy management features, such as, coordinated lighting of several areas, the ability to force lights on in a life-safety situation, and the ability to control other equipment in a monitored area (e.g., an air conditioning and/or heating system) responsive to detected occupancy in the area. The networkable power pack includes installation and wiring to an occupancy sensor that is substantially identical to a conventional power pack and therefore may be implemented as a “drop-in” component in a legacy lighting control system, without requiring changes to the occupancy sensors or wiring of the system.06-23-2011
20110254368POWER DISTRIBUTION SYSTEM AND METHOD THEREOF - The proposed system has a plurality of generator systems, each generator system having an alternating current generator directly connected to a rectifier. The alternating current generator is rotationally coupled to a prime mover, wherein, upon operation of the prime mover, the alternating current generator produces an alternating current output , is de-synchronized to further ones of the plurality of generator systems and has a variable generator speed. The rectifier directly connected the alternating current generator is adapted to convert the alternating current output of the alternating current generator into a direct current output. A direct current distribution bus is coupled to the direct current outputs from each of the rectifiers. The system further has a plurality of inverters adapted to receive power from the direct current distribution bus, the output of each inverter being adapted to drive an alternating current motor.10-20-2011
20120200154SYSTEM AND METHOD FOR A REDUNDANT AND KEYED POWER SOLUTION - In accordance with the present disclosure, a system and method a power deliver system is presented. The power delivery system includes at least two power supplies with a bridge connecting an output of each of the at least two power supplies. The bridge may be made of busbars, each of which including an integral attachment point. Each of the attachment points may correspond to a lug which has been specifically keyed to the shape of the attachment point. The lugs may be attached to conductor cables that provide power from the power supplies to components in an information handling system. In some embodiments, each end of a conductor cable may include lugs of the same shape, to ensure that the correct voltage is supplied to the components of the information handling system.08-09-2012
20100213762Grid Interconnection Device And Power Control System - A grid interconnection device 08-26-2010
20100213761Field Level Inverter Controller - The present invention is directed to an apparatus and method for improving the power output of a solar energy system. A field level inverter controller is described that may improve the power output of individual solar energy systems in a field of solar energy systems by controlling the inverter voltage applied to strings of solar energy units in a solar energy system connected in parallel to an inverter. An inverter load voltage for an improved power output may be calculated or derived empirically. An algorithm stored in the controller may calculate an improved load voltage for the inverters based on factors such as string geometry, solar movement and shade patterns generated by surrounding structures. Improved power output may be empirically determined by the field level inverter controller when the inverter controller directs an inverter to sweep a range of voltage values until a maximum output is detected.08-26-2010
20090289499Prevention of the propagation of power supply noise from one output circuit to another in a semiconductor device - A semiconductor device is disclosed. A first power supply wiring for connecting between a first output circuit consisting of a predetermined number of output circuits and a first power supply pad which corresponds to the first output circuit, is connected via a resistor with a second power supply wiring for connecting between a second output circuit consisting of a predetermined number of output circuit and a second power supply pad which corresponds to the second output circuit. Thus, power supply noise that is to be propagated to certain output circuits via in-chip output power supply wirings can be reduced.11-26-2009
20080238195DISTRIBUTED MAXIMUM POWER POINT TRACKING SYSTEM, STRUCTURE AND PROCESS - Distributed maximum power point tracking systems, structures, and processes are provided for power generation structures, such as for but not limited to a solar panel arrays. In an exemplary solar panel string structure, distributed maximum power point tracking (DMPPT) modules are provided, such as integrated into or retrofitted for each solar panel. The DMPPT modules provide panel level control for startup, operation, monitoring, and shutdown, and further provide flexible design and operation for strings of multiple panels. The strings are typically linked in parallel to a combiner box, and then toward and enhanced inverter module, which is typically connected to a power grid. Enhanced inverters are controllable either locally or remotely, wherein system status is readily determined, and operation of one or more sections of the system are readily controlled. The system provides increased operation time, and increased power production and efficiency, over a wide range of operating conditions.10-02-2008
20090174256POWER DISTRIBUTION SYSTEM - A power distribution system and method may include a first power domain having a first plurality of power rails, a second power domain having a second plurality of power rails, where the first power domain is electrically independent of the second power domain, and a plurality of modules coupled to the first power domain and the second power domain, where each of the plurality of modules is coupled to one of the first plurality of power rails and one of the second plurality of power rails. The system may also include a plurality of mated pairs, where each of the plurality of modules is in only one of the plurality of mated pairs, and where each of the plurality of mated pairs is coupled to two separate of the first and second plurality of power rails.07-09-2009
20120169119Universal Power Supply System - A universal power supply system is used for at least one electric consumer. The supply system comprises at least one AC source and a cable connection connecting said AC source to said electric consumer. The AC source has associated therewith an AC/DC converter for converting the AC voltage into DC voltage. The DC voltage generated in this way is adapted to be transmitted to the electric consumer via the cable connection. To improve such a universal power supply in such a way that it is possible to provide a high and stable voltage without any additional components (such as additional heat dissipation components), the AC/DC converter comprises a plurality of AC/DC converter components which, on the input side thereof, are connected in parallel with the AC source and which, on the output side thereof are connected serially to the electric consumer.07-05-2012
20120146409SEMICONDUCTOR DEVICE HAVING DATA OUTPUT BUFFERS - A semiconductor device includes: a plurality of power supply pads to which external voltages are supplied; a plurality of data output pads; power supply main lines that are connected to the respective corresponding power supply pads in common; a plurality of power supply branch lines that are branched from the power supply main lines, respectively; a plurality of output buffers that operate with power supply voltages supplied from the respective corresponding power supply branch lines, and drive respective corresponding data output pads; and low-pass filter circuits that are provided on the respective power supply branch lines.06-14-2012
20110101775CIRCUIT ARRANGEMENT WITH A POWER INPUT AND AN OPERATING METHOD FOR CONTROLLING A POWER INPUT CIRCUIT - A circuit arrangement with a power input and at least one power supply unit that generates a DC voltage for operating an electronic device including a power input circuit inserted between the power input and the at least one power supply unit that selectively disconnects or rectifies an AC voltage provided via the power input for the at least one power supply unit, wherein the power input circuit has at least one first semiconductor switching element that switches a first electrical load path with a current limiting element from the power input to the at least one power supply unit, and at least one second semiconductor switching element that switches a second electrical load path from the power input to the at least one power supply unit, and a power input filter, wherein the power input filter includes a first filter circuit arranged between the power input and the power input circuit and a second filter circuit arranged between the power input circuit and the at least one power supply unit.05-05-2011
20110156479Solar powered DC load system - The solar powered direct current (DC) load system is a reliable, versatile and user friendly system; it uses solar energy and rechargeable battery powering at least one type of DC load which are: a type of motor operation such as water pump and/or a type of at least one LED; the system comprises a battery discharge control circuit and a battery output circuit for DC load (FIG. 06-30-2011
20120007424RING POWER DISTRIBUTION LOOP - A power loop is formed by a plurality of loop segments connectable by switches to form the power loop. The power loop is configured to receive power from a plurality of power sources. The switches connect the power loop to a plurality of components. A method is also disclosed and claimed.01-12-2012
20100026092POWER SOURCE SYSTEM, POWER SUPPLY CONTROL METHOD OF POWER SOURCE SYSTEM, POWER SUPPLY CONTROL PROGRAM OF POWER SOURCE SYSTEM, AND COMPUTER READABLE RECORDING MEDIUM HAVING POWER SUPPLY CONTROL PROGRAM OF POWER SOURCE SYSTEM RECORDED THEREON - A power source system capable of temporarily increasing the power supply capacity of a power accumulator when an interruptible power source is stopped. Upon receiving stop information of the interruptible power source from an integrated control ECU, a controller reduces an operable voltage that is determined as an output voltage for ending discharge of the power accumulator, outputs the reduced operable voltage from a communication part to the integrated control ECU. The integrated control ECU controls a charge/discharge control device based on the reduced operable voltage, and increases the power supply capacity of the power accumulator.02-04-2010
20120205974Regulation of Inverter DC Input Voltage in Photovoltaic Arrays - A converter unit configured to couple to a photovoltaic panel (PV) may include a controller to sense an output voltage and output current produced by the photovoltaic panel, and manage the output voltage of a corresponding power converter coupled to a DC bus to regulate the resultant bus voltage to a point that reduces overall system losses, and removes non-idealities when the panels are series connected. The controller may also adapt to output condition constraints, and perform a combination of input voltage and output voltage management and regulation, including maximum power point tracking (MPPT) for the PV. The output voltage and output current characteristic of the power converter may be shaped to present a power gradient—which may be hysteretically controlled—to the DC bus to compel an inverter coupled to the DC bus to perform its own MPPT to hold the DC-bus voltage within a determinate desired operating range.08-16-2012
20110057512MOBILE POWER SYSTEM - A mobile power system comprises a plurality of energy sources, wherein at least one energy source is a solar powered generating device and at least one energy source is a wind powered generating device; a plurality of electronic and telecommunications components configured to receive the power generated by the plurality of energy sources and/or convert the power generated to direct current power; a plurality of batteries configured to store the direct current power; and one or more transportable housings configured to hold the plurality of energy sources, the plurality of electronic and telecommunications, and the plurality of batteries during transport of the housing, and wherein the at least one solar powered energy device and the at least one wind powered generating device are disposed remotely from the housing when the mobile power system is in operation.03-10-2011
20120169120METHOD FOR REDUCING ELECTROMAGNETIC INTERFERENCE RADIATED FROM A POWER SUPPLY ARRANGEMENT - A method for reducing electromagnetic interference radiated from a power supply arrangement. A plurality of switching mode power supply units are connected to an external device. Each switching mode power supply unit includes a ground point. The radiated electromagnetic interference is reduced by synchronizing a switching frequency of each switching mode power supply unit, such that all of the synchronized switching mode power supply units have an identical switching frequency, thereby reducing the difference in electric potential between the ground points. A corresponding power supply arrangement.07-05-2012
20120235480UNINTERRUPTED POWER SUPPLY SYSTEM AND UNINTERRUPTED POWER SUPPLY DEVICE - An uninterruptible power supply (UPS) system includes a plurality of UPS devices configured to provide a single-phase AC input voltage to a load and a battery when an operating mode is a normal mode and configured to convert power of the battery into a single-phase AC output voltage to provide the single-phase AC output voltage to the load when the operation mode is a blackout mode. Each of the plurality of the UPS devices commonly receives the single-phase AC input voltage to commonly output the single-phase AC output voltage when a configuration mode is a single-phase parallel mode. At least three UPS devices independently receive each of a three-phase AC input voltage to output each of a three-phase AC output voltage when the configuration mode is a three-phase mode.09-20-2012
20120175953Battery System - A battery system according to the present invention includes: a battery module comprising a plurality of cell groups connected in series, each comprising a plurality of cells connected in series; a plurality of integrated circuits provided to corresponding each cell group of the battery module, that perform detection of terminal voltages of the cells in the corresponding each cell group, and that also perform diagnosis; and a battery controller that, along with issuing commands to the plurality of integrated circuits, also receives results of detection and results of diagnosis by the plurality of integrated circuits; wherein the battery system comprises a writable non-volatile memory, and data is stored in the writable non-volatile memory specifying usage environment of the battery module, including a maximum voltage or a maximum current of the battery module and history data based upon operation history of the battery module.07-12-2012
20120074776Electronic Switch Control System and Electronic Switch Drive Method - An electronic switch control system, including an alternating voltage source, an electronic switch, a load, a control circuit, an alternating voltage source being electrically associated to a first conduction terminal of the electronic switch, a second conduction terminal of the electronic switch being associable to a load, the load being associated to a second power terminal. The control circuit includes first, second and third electric potential terminals, and is arranged to command the electronic switch by way of a trigger terminal. The control circuit is electrically associated to a voltage regulator block that is electrically associable to the electronic switch by way of first and third electric contact terminals and first and second conduction terminals respectively, the voltage regulator block being arranged to provide a minimum electrical voltage (V03-29-2012
20120223577METHOD AND DEVICE FOR STABILIZING NETWORK OPERATION OF A POWER SUPPLY NETWORK - For network stabilization of an electric power supply network, the voltage at a first network connection point at a first voltage level to a power generator, and at a second network connection point to a second voltage level, as well as at at least one third network connection point to a load, are each sensed as a voltage measurement, wherein a reactive power draw or a reactive power delivery by the power generator is ascertained using a linkage of the voltage measurements with the geographic location of the relevant network connection point.09-06-2012
20120228932Method and Device for Energy Management - A method for energy management optimizes loads and sources in an energy management network and includes at least one energy management unit. The actual state of the energy consumers and energy sources is transferred to the energy management unit by means of combined energy supply and communication lines. An independent configuration of the energy management unit is performed, and at least one target parameter is set on the energy management unit.09-13-2012
20120299378AUXILIARY DRIVE APPARATUS AND METHOD OF MANUFACTURING SAME - An auxiliary drive circuit includes a first energy storage device coupled to a first DC bus and configured to output electrical power to the first DC bus, a first switch-mode power supply coupled to the first DC bus and to a second DC bus, the first switch-mode power supply configured to convert the electrical power to a first voltage and to output the first voltage to the second DC bus, and a second switch-mode power supply coupled to the second DC bus and coupled to an auxiliary bus, the second switch-mode power supply configured to convert the first voltage to a second voltage and to provide the second voltage to the auxiliary bus, the auxiliary bus configured to provide an auxiliary voltage to an auxiliary drive system, wherein the second voltage is different from the first voltage.11-29-2012
20120080941SCALABLE INTELLIGENT POWER SUPPLY SYSTEM AND METHOD - A scalable intelligent power-supply system and method capable of powering a defined load for a specified period of time is disclosed and claimed. Multiple external AC and DC inputs supply power to the system if available and required. An internal DC input from a back-up energy source is on board. The back-up energy source is scalable by adding additional energy cartridges such as batteries in racks mounted within frames of the system. The AC and DC inputs (including the internal DC input) are controlled, measured, sensed, and converted by circuitry controlled by the microprocessor into multiple AC and/or DC outputs. A microprocessor manages power input to, within, and output from the system. The performance of a Lithium-ion batteries used to power an automobile can be determined on the basis individual battery packs or individual battery cells within the packs.04-05-2012
20130015703MICROGRIDAANM Rouse; Gregory C.AACI SarasotaAAST FLAACO USAAGP Rouse; Gregory C. Sarasota FL USAANM Kelly; John F.AACI ElmhurstAAST ILAACO USAAGP Kelly; John F. Elmhurst IL US - A microgrid is a portion of an electric grid configured for separate management and control as compared with the rest of the grid and having attributes that can be tailored to meet specified needs including the needs of electric power consumers served by the microgrid.01-17-2013
20130020869Arrangement for Power Supply for a reactor for production of polysilicon with a frequency converter - The invention relates to a power supply arrangement (MF) for a reactor (R) for producing polysilicon, with a frequency converter, with at least one input for receiving an input current from the supply grid with which the input is connected, and outputs for connecting one or several loads (01-24-2013
20130020868ACTIVE POWER MANAGEMENT ARCHITECTURE AND MANAGING METHOD THEREOF - Disclosed in an active power management architecture, including a remote power management system having a database; a power distribution unit communicated with the remote power management system through an internal network; a plurality of electronic devices each includes a power supply unit; and a plurality of transmission cables respectively connected to the power distribution unit and the power supply units of the electronic devices for outputting power of the power distribution unit to the power supply units. The information of the power supply units is transmitted from the power supply units to the power distribution unit through the transmission cables in compliance with a power line communication protocol, and the power distribution unit is configured to transmit the information to the database, such that the remote power management system gives an instruction to the power distribution unit to control the power distribution unit and the power supply units.01-24-2013
20080258555MULTI-LEVEL POWER SUPPLY SYSTEM FOR A COMPLEMENTARY METAL OXIDE SEMICONDUCTOR CIRCUIT - There is provided a circuit for managing a multi-level power supply. The circuit includes a comparator that compares a voltage level (Vs1) of a lower voltage supply bus to a voltage level (Vs2) of a higher voltage supply bus, and a switch that routes current from the lower voltage supply bus to the higher voltage supply bus if Vs210-23-2008
20130169043PORTABLE ELECTRONIC DEVICE AND VOLTAGE CONVERTING CIRCUIT THEREOF - A portable electronic device includes a battery, a central processing unit (CPU), and voltage converting circuit. The battery includes an erasable programmable read-only memory (EPROM) and a signal terminal connected to the EPROM. The CPU includes a read/write control terminal. The voltage converting circuit includes a first power terminal connected to a first power supply, a second power terminal connected to a second power supply, a first port connected to the read/write control terminal through a 1-wire bus, and a second port connected to the signal terminal.07-04-2013
20130169044STABLE SUBSEA ELECTRIC POWER TRANSMISSION TO RUN SUBSEA HIGH SPEED MOTORS - The invention provides a subsea pressure boosting system feasible for operation at subsea step out lengths above 40 km and by control merely from a dry topside or onshore location. The system is distinctive in that it comprises: at least one subsea power step out cable, arranged from a near end at a dry location onshore or topsides to one or more subsea loads such as subsea pumps or subsea compressors at a far end, at the near end at least one source for electric power is connected and the cable is dimensioned for operation at a frequency different from the operation frequency of the connected subsea loads in order to handle the Ferranti effect and electric losses, and at least one passive electric frequency transformer, operatively connected between the subsea step out cable far end and the subsea loads, said transformer is located in a pressure vessel and transforms the operation frequency of the subsea step out cable to a frequency feasible for operation of the connected loads.07-04-2013
20130169042TECHNIQUE FOR REMOTE POWER FEEDING IN ACCESS NETWORKS - A technique for power feeding of a common element of an access network from subscribers of the access network connected to the common element through subscriber lines being electric wires or optical fibers, the method comprises providing the subscribers with respective local power sources, and powering the common element from the one or more local power sources by selectively and/or dynamically combining power conducted there-from through the subscriber lines, thereby allowing at least partial operation of the common element.07-04-2013
20110233998ELECTRIC POWER SUPPLYING SYSTEM - An electric power supplying system is provided that includes at least two systems each including: a bus line which is formed by at least two conductors and on which an information signal representing information is superimposed on electric power; at least one power supply server which is connected to the bus line and which supplies the electric power; and at least one client which is connected to the bus line and which receives the supply of the electric power from the power supply server. The at least two systems are connected to each other by connecting the bus lines using conductors. The conductors include a connector having at least two electrodes that connect with each of the conductors forming the bus line. The connector has a structure in which, when the connector is connected to the bus line, one of the electrodes is connected to the bus line in advance of the other electrode.09-29-2011
20100314937Reconfigurable multi-cell power converter - A reconfigurable multi-cell power converter and method wherein a set of cells are connected between an input bus and a load in an input series output parallel configuration or in an input parallel output series configuration. Each cell includes a primary side reconfigurable between series and parallel operation and a secondary side also reconfigurable between series and parallel operation. Switching circuitry is configured to reconfigure the primary side of each cell between series and parallel operation and vice versa and also to reconfigure the secondary side of each cell between series and parallel operation and vice versa. A controller is configured to actuate the switching circuitry depending a voltage on the input bus and/or cell condition to reconfigure all the cell primary sides and/or secondary sides while maintaining a desired input series output parallel or input parallel output series connection for the set of cells.12-16-2010
20130154364VANADIUM REDOX BATTERY ENERGY STORAGE SYSTEM - A redox battery energy storage system including multiple energy storage stacks having multiple reactor cells is disclosed. Each of the energy storage stacks may include an integrated DC/DC converter configured to convert an output voltage of the stacks to a higher output voltage. The output of the DC/DC converts may be coupled in parallel to an energy storage system output bus. By configuring the energy storage system in this manner, inefficiencies and losses caused by shunt electrical currents in the systems may be decreased.06-20-2013
20130187452FAIL PROTECTED PULSE GENERATOR AND SYSTEM - A power distribution system comprises a power supply, a plurality of loads connected to one of the power supply and ground and a plurality of pulse generators, each pulse generator connected to each of the plurality of loads, configured to generate pulses to connect the plurality of loads to the other one of the power supply and ground at predetermined frequencies.07-25-2013
20120019064Power Distribution in MR-PET Imaging System Integration - An integrated magnetic resonance (MR) and positron emission tomography (PET) system includes an MR scanner including a magnet that defines an opening in which a subject is positioned, a set of PET detectors disposed about the opening, a plurality of data processing units each electrically connected with a respective one or more of the PET detectors of the set of PET detectors, and a plurality of power supply modules, each power supply module being operable to generate a DC power supply for different groups of one or more of the data processing units. Each power supply module is discrete from the other power supply modules.01-26-2012
20120019063COMPUTER APPARATUS - A computer apparatus includes a first power supply, a first power distribution board, a second power supply, a second power distribution board, motherboards, and a control module. The first power supply provides a first power. The first power distribution board is coupled to the first power supply to transmit the first power. The second power supply provides a second power. The second power distribution board is coupled to the second power supply to transmit the second power. Each of the motherboards generates a working state. The control module coupled to the first power distribution board, the second power distribution board, and the motherboards determines whether to generate a control signal based on the working states of the motherboards and a working state of the first power supply and/or a working state of the second power supply to enable a power throttling feature to adjust power consumption of the motherboards.01-26-2012
20130193755LOAD BALANCED SPLIT-PHASE MODULATION AND HARMONIC CONTROL OF DC-DC CONVERTER PAIR/COLUMN FOR REDUCED EMI AND SMALLER EMI FILTERS - A novel circuit scheme and control includes a plurality of identical DC-DC converters with an optimal modulation/harmonic controller and a load balancing portion or process in an integral and systematic design methodology. The modulation/harmonic controller can be configured to control the individual modules in an optimal and coordinated way in the time domain so as to substantially reduce or eliminate a large amount of high-frequency input current harmonics, thus reducing EMI, weight, and size and increasing redundancy. The load balancing portion or process can balance the loads on the converters in real time or offline.08-01-2013

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