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Subclass of:

307 - Electrical transmission or interconnection systems

307011000 - PLURAL LOAD CIRCUIT SYSTEMS

307018000 - Plural sources of supply

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Class / Patent application numberDescriptionNumber of patent applications / Date published
307023000 Substitute or alternate source 88
20120200157ELECTRONIC APPARATUS, SYSTEM AND METHOD OF CONTROLLING ELECTRIC POWER SUPPLY, AND RECORDING MEDIUM STORING ELECTRIC POWER SUPPLY CONTROL PROGRAM - Electric power supply among a plurality of electronic devices in a system is controlled to improve efficiency in electric power conservation in the entire system. The system is provided with at least one electronic apparatus including a main power supply unit that supplies electric power from a main power source, a supplementary power source that supplies electric power being charged when electric power form the main power source is not supplied, and an interface that transmits or receives electric power to or from another electronic apparatus.08-09-2012
20130043723SOLAR SYNCHRONIZED LOADS FOR PHOTOVOLTAIC SYSTEMS - An electrical power supply arrangement includes a solar power device that converts sunlight into DC electrical power. A DC load runs on the DC current electrical power. The DC load may be controlled or adjusted to consume a maximum amount of the electrical output of the solar power device. A DC-to-AC converter converts the DC electrical power into AC electrical power. A controller enables the DC-to-AC converter to receive a portion of the DC current electrical power from the solar power device only if all of the DC current electrical power cannot be consumed by the DC load.02-21-2013
20130043724Solar Synchronized Loads for Photovoltaic Systems - An electrical power supply arrangement includes a solar power device that converts sunlight into DC electrical power. A DC load runs on the DC current electrical power. The DC load may be controlled or adjusted to consume a maximum amount of the electrical output of the solar power device. A DC-to-AC converter converts the DC electrical power into AC electrical power. A controller enables the DC-to-AC converter to receive a portion of the DC current electrical power from the solar power device only if all of the DC current electrical power cannot be consumed by the DC load.02-21-2013
20110309676Integrated Power Sources for Mobile Electronic Devices - In one embodiment, a mobile electronic device comprises at least one electronic component and at least one integrated power source coupled to the at least one electronic component. The at least one electronic component receives power from an external power source while the mobile electronic device is in operation. The at least one integrated power source is operable to supply power to the at least one electronic component for a time period sufficient to allow the external power source to be replaced to maintain operation of the at least one electronic component when there is insufficient power supplied by the external power source.12-22-2011
20120161516POWER SUPPLY DEVICE - A power supply device includes a fuel-cell power device which supplies a direct current (DC) power to one or more load devices using fuel cells as an input source; and a control unit which controls an output from the fuel-cell power device. In the power supply device, when a load current supplied to the load device is changed, an output characteristic of the fuel-cell power device is shifted so that a rate of change in an output current of the fuel-cell power device becomes lower than a preset value. With the power supply device, even though the fuel-cell is used as a power source, a DC power supplied to the load devices can be gradually changed and therefore reduce environmental load.06-28-2012
20120161515Method and System for Power-Fail Protection of Communication Equipment, and Power Controller - The invention discloses a method and a system for power-fail protection of communication equipments, and a power controller. The method is applied to a system comprising a power controller, a power detection unit, and an energy storage conversion unit. The method includes: a power controller acquires the information of one or more circuit boards requiring protection in an equipment; when the power controller determines the equipment is currently in power-fail status, the power controller indicates to gate the switches between an energy storage conversion unit and one or more circuit boards, and provides the pre-stored electric energy to the one or more circuit boards. According to the technical solution provided by the present invention, the problems in the related art that the power consumption is large, the cost is high and it is difficult to implement when the power-fail protection is performed for all circuit boards of a frame are solved, so the power consumption is effectively reduced and the cost is saved.06-28-2012
20100066168POWERING A DIRECT CURRENT AIR CONDITIONER USING SOLAR CELLS - A power emulating module within a powering system for a direct current air conditioner that utilizes solar cells array as a power source. The power emulating module enables to both convert the source signal from the solar cells array into the required voltage levels for the direct current motor of the air conditioner and further generate an alternating current control signal required for the motor control modules. In embodiments, the power emulating module is arranged to be retrofitted into an existing direct current air conditioner exhibiting a rectifying bridge, a motor power module and a motor control module, wherein the air conditioner is operable with an alternating current source. This is achieved by bypassing the rectifying bridge and routing the solar cells array via the power emulating module to the motor power module and further connecting power emulating module to the existing motor control module.03-18-2010
20120181864GRID-CONNECTED POWER SUPPLY SYSTEM - A grid-connected power supply system includes a power generation apparatus configured to generate power by using natural energy and connected in parallel to a commercial power grid; a electricity storage device; and a control device configured. The control device predicts an amount of power to be generated on a subsequent day by the power generation apparatus and a power demand of the loads and charges the electricity storage device with power in a time zone in which an electricity rate of the commercial power grid is relatively low if a predicted value of the amount of power to be generated is lower than a predicted value of the power demand, or does not charge the electricity storage device with power during the time zone if the predicted value of the amount of power to be generated is not lower than the predicted value of the power demand.07-19-2012
20120181863Method and System for Supplying Power to Multiple Voltage Islands Using a Single Supply Source (SSS) - Methods and systems for supplying power to multiple voltage islands using a single supply source are disclosed. Aspects of one method may include providing power to a first of a plurality of voltage islands, and individually controlling providing of power to each of a remaining portion of the plurality of voltage islands. For example, when an electronic system is first powered on, a low current voltage source may be used to supply power to a primary voltage island. As a higher current voltage source becomes available, power derived from the higher current voltage source may be provided to the primary voltage island and to secondary voltage islands. Power to each of the secondary voltage islands may be, for example, individually controlled via a power MOS transistor. The power MOS transistor may also be configured to allow a faster blocking time than unblocking time.07-19-2012
20130049463REDUNDANT POWER SYSTEM - A redundant power system aims to provide multiple main output power and multiple standby power to drive a plurality of loads operating in an operating mode or a standby mode. The redundant power system includes a plurality of power supplies and a back panel. Each power supply provides a main output power and a standby power. The back panel has a power bus path to converge the main output power. The power bus path is divided into multiple main power output paths each being controlled by a remote ON/OFF switch to determine whether to perform output, and multiple standby power output paths each has a conversion unit located thereon. The conversion unit converts the power in the power bus path and provides a simulated standby power to the loads in a normal.02-28-2013
20130057068MOBILE BACKUP POWER SUPPLY DEVICE WITH A HUB'S FUNCTIONS INTEGRATED - A mobile backup power supply device includes a Hub with not less than one input port connected to a computer's power supply or an external electric power source and not less than an output port connected to an electronic device, both of which fulfill data transmission & management by means of a Hub control structure in order to deliver a Hub's functions; an electricity storage device inside the Hub which can be either primary batteries or secondary batteries and connected to a charge control structure used to link an external electric power source for the purpose of matching secondary batteries' characteristics during charge; a power management structure between the electricity storage device and the out port which is able to detect and automatically adjust electricity required by an external electronic device in order to stably and uniformly transmit electricity to an electronic device from the electricity storage device.03-07-2013
20130069429BATTERY MANAGING APPARATUS, BATTERY PACK, AND ENERGY STORAGE SYSTEM - An energy storage system having a number of trays with each tray having a number of battery cells in which power is controllably stored and discharged. A first Battery Management System (BMS) is electrically coupled to a tray contained in a rack of trays. A second BMS is electrically coupled to and controls the first BMS. The first BMS includes a control unit electrically coupled to and controlling the battery cells. It further includes a switch unit electrically coupled to the control unit and selectively applying driving power according to a control signal from the second BMS.03-21-2013
20130062943LOAD SHEDDING CIRCUIT FOR RAM AIR TURBINES - A power generation/distribution system includes a RAM air turbine (RAT) generator and an emergency integrated control center (EICC) that selectively applies either primary power provided by a primary power source or emergency power developed by the RAT generator to an alternating current essential bus (AC ESS bus) for distribution to one or more essential loads. The EICC monitors the primary power and in response to a loss of primary power selectively disables the supply of power from the AC ESS bus to the essential loads and manages subsequent loading of the RAT generator by the essential loads.03-14-2013
20100078996LIGHTING APPARATUS - A lighting apparatus comprises a power unit, a fan unit, a charging unit, a light source unit and a control unit. The power unit receives power from an external power source. The fan unit is rotated using the power supplied from the power unit. The charging unit stores power generated from rotation of the fan unit. The light source unit generates light. The light source unit employs an LED as a light source. The control unit connects the light source unit to the charging unit when power level of the charging unit is greater than a specified level, and the control unit connects the light source unit to the power unit when the power level of the charging unit is lower than the specified level. Therefore, power consumed by the lighting apparatus is reduced and vibration resistance of the lighting apparatus is improved.04-01-2010
20110285203POWER SUPPLY SYSTEM OF ELECTRONIC APPARATUS - A power supply system for providing power to a first and second power consumption components, includes a first and a second voltage converter, a power supply unit, a battery, and a monitoring unit. The power supply unit connects to the first and second voltage converters. The battery is connected to the first and second power consumption components. The monitoring unit is connected to the power supply, and monitors a DC power outputted by the power supply. When the DC power is normal, the monitoring unit instructs the power supply to provide the DC power to the first and second voltage converters. When the DC power is abnormal, the monitoring unit instructs the battery provide power to the first and second power consumption components.11-24-2011
20110285202Bus-Tie SSPCS for DC Power Distribution System - A direct current (DC) power distribution system includes a first electrical distribution and power management (EDPM) unit including a first DC power source connected to a first high voltage DC bus connected to a first DC load, and a first bus-tie solid state power controller (SSPC) connected to the first HVDC bus; a second EDPM unit including a second DC power source connected to a second high voltage DC bus connected to a second DC load, and a second bus-tie SSPC being connected to the second HVDC bus; and a bus-tie connected between the first bus-tie SSPC and the second bus-tie SSPC, wherein in the event a power source failure occurs in the first EDPM unit, power flows from the second DC power source to the first HVDC bus via the second bus-tie SSPC, the bus-tie, and the first bus-tie SSPC.11-24-2011
20120098337ELECTRIC POWER PATH SWITCHING METHOD AND ELECTRIC POWER PATH SWITCHING CIRCUIT - An electric power path switching method for switching a first electric power path from a built-in rechargeable battery in a communication device and a second electric power path from a charger for charging the rechargeable battery which can be connected to the communication device by plugging in and out, includes dividing a load of the communication device into two systems of a first load and a second load; supplying electric power to the first load from the first electric power path; and supplying electric power to the second load from the second electric power path when charging the rechargeable battery by the charger and from the first electric power path when the rechargeable battery is not charged.04-26-2012
20110169330Power Supply System and Portable Electronic Device Using the Same - A power supply system includes a transformer for converting an external AC power into an external DC power, a battery for providing a battery power, a selection module for outputting the external DC power or the battery power, a first-stage DC conversion module for converting power provided by the selection module into a first DC power, a plurality of second-stage DC conversion module, each for converting an input power into a second DC power, and a switching module for switching to output the battery power or the first DC power of the first-stage DC conversion module as the input power of each of the plurality of second-stage DC conversion module according to the external DC power.07-14-2011
20100109432POWER SUPPLY PROVIDING MULTIPLE SYNCHRONOUS OUTPUTS - A power supply to provide multiple synchronous outputs includes a standby power system to receive input power and regulate to become standby power and a main power system to receive the input power and regulate to become main output power. The main power system has a rectification output unit to deliver the main output power. The power supply further has at least one delay trigger unit to receive the main output power and a voltage regulation output unit. The delay trigger unit sets a voltage judgment level and determines whether to output a trigger signal based on the main output power being greater or smaller than the voltage judgment level. The voltage regulation output unit can be activated by getting the standby power. According to the generation time series of the trigger signal, the time series to generate the secondary output power can be regulated.05-06-2010
20110148194HIGH VOLTAGE DIRECT CURRENT UNINTERRUPTIBLE POWER SUPPLY SYSTEM WITH MULTIPLE INPUT POWER SOURCES - The invention discloses a high-voltage direct-current uninterruptible power supply system configured to be connected to a plurality of power sources. The uninterruptible power supply system according to the invention includes a plurality of power modules, each of which is connected to a power source for receiving an input power from the power source connected thereto and converting the input power into a direct-current output power, a control module connected to the power modules through communication lines for managing the power modules, and a power distribution unit connected to a DC voltage bus for relaying the direct-current output power to a plurality of electronic devices.06-23-2011
20090251002APPARATUS, SYSTEM AND METHOD FOR A UPS - According to one aspect of the invention, a UPS includes an input configured to be coupled to an AC power source, a DC power source, an output configured to receive power from at least one of the AC power source and the DC power source, a first switched receptacle outlet coupled to the output and configured to be coupled to a first electrical load and a second receptacle outlet coupled to the output and configured to be coupled to a second electrical load. According to some embodiments, the UPS also includes a control unit configurable to provide a first configuration associated with the first switched receptacle outlet, where the first configuration is employed by the control unit to control a connection of the first switched receptacle outlet to the output independent of the second receptacle outlet.10-08-2009
20090284072METHOD AND SYSTEM FOR SELECTIVE ELECTRICAL BACKUP TO A MULTI-TENANT LOCATION - The present invention provides a system for selectively providing backup electrical power to a multi tenant facility like an apartment building or a multi-tenant cell phone tower. By placing a remote disconnect on each of the tenants meters the tenant can be selectively attached or disconnected from a backup power system as desired.11-19-2009
20130099564Energy Management Method and System, and Computer Readable Storage Medium for Storing the Method - An energy management method is provided. The energy management method comprises the steps of retrieving load information from at least one load and retrieving energy-supplying information from an energy supply system having a grid power source, a renewable energy generation module and an energy storage module to instantly calculate first and second energy thresholds. When an energy production of the renewable energy generation module is smaller than the second energy threshold, the grid power source or the energy storage module is controlled to supply energy to the load. When the energy production is between the first and the second energy thresholds, the renewable energy generation module is controlled to supply energy to the load. When the energy production is larger than the first energy threshold, the renewable energy generation module is controlled to supply energy to the load and charge the energy storage module.04-25-2013
20120292992DUAL FUEL SYSTEM AND METHOD OF SUPPLYING POWER TO LOADS OF A DRILLING RIG - A system for providing power to a load of a drilling rig has a dual fuel engine/generator and an energy storage system. The load is switchably connected to one or both of the dual fuel engine/generator and the energy storage system. The dual fuel engine/generator and the energy storage system have a capacity suitable for supplying requisite power to the load. A rectifier is connected to an output line of the engine/generator so as to convert the AC power to DC power. The energy storage system is a battery. The dual fuel engine/generator can be either a dedicated duel fuel system or a fumigation system.11-22-2012
20080258556Transfer Switch With Arc Suppression - An automatic transfer switch for a power system receiving multiple alternating current sources and delivering multiple alternating current output is described. A transfer switch control circuit can sense a power loss in one or both AC sources. Each power supply can deliver current to drive a load but, if one of the power supplies fails, the other can supply power to drive both loads.10-23-2008
20120104847DISTRIBUTED POWER GENERATION - Distributed power generation systems generally include a number of power sources and electrical power loads interconnected by a distribution network. Electrical switches and fuses are provided such that local groups of power sources and power loads can be established. Should there be a degradation in the distribution network in terms of a set of criteria such as electrical frequency, current or voltage then the switch or fuse may be thrown to establish each local group as an island. By monitoring divergence from a set of criteria a method and controller may be utilised whereby the distribution network as a whole is considered and configured to establish virtual islands which operate prior to the establishment whether inadvertently or deliberately of actual islands within the distribution network. In such circumstances the transition from normal operation for the distribution network to islanded operation for the distribution network is less severe05-03-2012
20090230768Method and Apparatus to Facilitate the Provision of Electrical Power As Pertains to a Self-Storage Facility - A self-storage facility having a variety of differing facility components (that utilize electricity) can couple those components to an electric mains to provide operating power. Upon sensing a lack of electrical power to that electric mains, however, these teachings can provide for actuating a back-up generator to provide back-up electrical power for some or all of those components. These teachings will also accommodate, if desired, using a renewable electrical source to provide the aforementioned electrical power to a disparate grouping of facility components. These teachings will also further accommodate, as desired, providing a source of direct current electrical power (such as a 48 volt direct current electrical power source) and then coupling that source to this disparate grouping of facility components to provide their required electrical power.09-17-2009
20090256422AC AND DC UNINTERRUPTIBLE ONLINE POWER SUPPLIES - A power supply includes a rectifier that converts an alternating current input voltage to a first direct current voltage. An inverter that converts the first direct current voltage to an alternating current output voltage. A first set of output terminals that receives the alternating current output voltage. A second set of output terminals that receives the first direct current voltage. A charging circuit that charges a backup power source based on the first direct current voltage. The rectifier receives a second direct current voltage from the backup power source based on the power supply operating in a predetermined condition.10-15-2009
20100001584METHOD AND ARRANGEMENT IN CONJUNCTION WITH EMERGENCY LIGHT - A method in conjunction with an emergency light, and an emergency light with equipment comprising one or more LED light sources (01-07-2010
20100225165SEMI-DIRECT VARIABLE SPEED DRIVE WITH N+1 POWER AVAILABILITY - A system for controlling a speed of each of N variable speed motors with a drive voltage is disclosed, where N is an integer equal to or greater than 1. The system includes (N+1) generators and a switching arrangement configured to directly couple, in a one-to-one relation, the N variable speed motors to the (N+1) generators so that any one of the N variable speed motors is capable of operating in at least a first mode and a second mode. In the first mode the any one of the N variable speed motors is driven with the drive voltage generated by a first generator of at least two of the (N+1) generators, and in the second mode the any one of the N variable speed motors is driven with the drive voltage generated by a second generator of the at least two of the (N+1) generators.09-09-2010
20100219684POWER SUPPLY APPARATUS - A power supply apparatus includes a first voltage raising unit raising an input voltage supplied from a power supply up to a first voltage, a first voltage reducing unit reducing the first voltage to an output voltage to be supplied to a first load circuit, a second voltage raising unit raising the input voltage supplied from the power supply to the first voltage, a capacitor connected to an output of the second voltage raising unit, and power passing unit [for bringing the power storage element] connecting an input of the first voltage reducing unit and the capacitor when a voltage across terminals of the capacitor exceeds an output voltage of the first voltage raising unit.09-02-2010
20090315395Fieldbus system with shared redundancy system - A Fieldbus system comprising a plurality of segments each comprising a trunk with its own primary power supply, and a shared redundancy system comprising one or more auxiliary power supplies and monitoring and control means, in which the monitoring and control means is adapted to detect failures in any part of any of the plurality of segments, in which in the event of a failure being detected by the monitoring and control means in any one of the plurality of segments, the monitoring and control means isolates the trunk in that segment from its primary power supply and connects said trunk to one of the one or more auxiliary power supplies, and in which any one of the auxiliary power supplies is connectable to any two or more of the trunks.12-24-2009
20120032507ELECTRIC POWER SYSTEM - To provide an electric power system capable of adequately controlling the power flow in an AC switch (02-09-2012
20100301670DC PEAK POWER TRACKING DEVICES, METHODS, AND SYSTEMS - A control system, method, and device for managing variable power sources in DC power systems, such as photovoltaic (PV) systems. An electrical component can be configured to condition power from a photovoltaic (PV) panel such that current is drawn from the PV panel at a peak power continuously, at all times, or irrespective of current flux.12-02-2010
20110018342DIRECT TIE-IN OF A COMMON BACKUP POWER SOURCE TO MOTHERBOARDS IN A SERVER SYSTEM - The need for an uninterrupted power supply (UPS) in a data center is obviated by tying a DC voltage from a backup power source directly to the motherboards of multiple servers in the data center. AC power received from a power utility service is converted into a lower voltage by a site transformer and then provided to one or more power distribution units at a site. The power distribution units supply power to a plurality of servers, which include power supplies that convert the AC electrical power to DC electrical power for use by the servers' motherboards. In the event of a failure of power from the utility service, the backup power source provides DC electrical power to the motherboards, e.g., for sufficient time to start up a generator to provide power in place of the utility service.01-27-2011
20110115291REDUNDANT POWER SYSTEM SWITCH FOR BACKUP POWER SWITCHING WITHOUT POWER INTERRUPTION - A redundant power system includes a redundant power source, a first switch, a second switch, and a control circuit. The first switch connects between the redundant power source and a low priority remote system, where the first switch has a characteristic of turning off faster than the first switch turns on. The second switch connects between the redundant power source and a high priority remote system, where the second switch has a characteristic of turning off faster than the second switch turns on. The control circuit applies a first control signal to the first switch to cause the redundant power source to connect through the first switch to the low priority remote system via a switched connection, determines if the high priority remote system requires redundant power, applies a second control signal to the first switch to open the switched connection when the high priority remote system requires redundant power, initiates a delay timer, and applies a third control signal to the second switch, upon an expiration of the delay timer, to cause the redundant power source to connect through the second switch to the high priority remote system.05-19-2011
20130214597ELECTRICAL POWER DISTRIBUTION SYSTEM - A distributed electrical power system includes a first AC generator configured for supplying an AC voltage; a second AC generator configured for supplying the AC electrical voltage; an AC power distribution network connected to the first AC generator and the second AC generator for receiving the AC voltage, the AC power distribution network including a two or four-wire AC power distribution circuit; at least one (solid state circuit breaker (SSCB) module remotely located for receiving the AC voltage from the power distribution network; a system controller connected to a data bus for controlling operation of the at least one power distribution module; and at least one contactor for selectively switching supply of the AC voltage to the at least one power distribution module from either the first AC generator or the second AC generator upon failure of either of the first AC generator or the second AC generator.08-22-2013
20130214596MANAGEMENT OF AN ELECTRIC POWER GENERATION AND STORAGE SYSTEM - In one technique of the present invention, DC electric power from a DC bus is inverted to provide AC electricity to one or more electrical loads, and AC power from a power generating device is rectified to provide a first variable amount of electric power to the DC bus. This technique also includes determining power applied to the electrical loads, and dynamically controlling the amount of power supplied from the power generating device and an electrical energy storage device in response to the power applied to the loads.08-22-2013
20110175444Portable Power System - A remote station may be constructed such that components or the station arc placed upon a skid and transported to a remote site. When deposited at the remote site, the remote station may cause a minimal disturbance on the ground while providing the necessary remote services, such as power and communications, because the skid may simply rest upon the ground, and the components rest atop the skid.07-21-2011
20120242145AUTOMATIC TRANSFER SWITCH - An automatic transfer switch apparatus for use with a standalone generator, for supplying emergency power to a residence or small business. The automatic transfer switch apparatus is configured to sense a utility line failure, start up and stabilize the generator, and switch over the household circuits from the utility to the generator, and switch back when the utility recovers. The transfer switches incorporate motor driven switch interlock mechanisms in several embodiments as well as various operational features09-27-2012
20100295369POWER SUPPLY SYSTEM - A power supply system includes a function unit, a power supply unit, a power distributing unit, and a capacitor. The power supply unit includes at least one first power supply module supplying voltage to the function unit and at least one second power supply module supply voltage to the function unit only when the at least one first power supply module is not supplying a voltage. The power distributing unit electrically couples the function unit with the power supply unit. The power supply unit is capable of supplying voltage to the function unit via the power distributing unit. The capacitor is electrically coupled to the function unit in parallel and capable of supplying voltage to the function unit when the power supply unit cannot supply the voltage to the function unit.11-25-2010
20120267951METERING ASSEMBLY AND CUSTOMER LOAD PANEL FOR POWER DELIVERY - Systems and methods for power delivery to a load through a transfer switch are provided. The transfer switch has a first input terminal coupled to a source of a first power, a second input terminal coupled to a source of an alternate power, and an output terminal coupled to the load. A request is received from the transfer switch for the alternate power to be supplied through the transfer switch to the load. The alternate power is enabled to be supplied to the load through the transfer switch in response to the request. A power delivery system may include a first cabinet that houses a plurality of metering assemblies and a second cabinet that houses a load panel. Each metering assembly includes a power meter module that includes a power control module and a power monitor, with each power control module coupled to a corresponding transfer switch.10-25-2012
20120146412ELECTRICAL ENERGY DISTRIBUTION SYSTEM WITH RIDE-THROUGH CAPABILITY - This invention concerns an electrical energy distribution system. The system incorporates ‘ride-through’ capability, comprising: a supply side for supplying energy in the form of direct current at a supply voltage, a delivery side for delivering energy, having plural connection ports for selective connection to respective electrical energy loads. Wherein each connection port includes electricity conditioning circuitry to deliver and vary electrical power supply to a load connected at the port. And further comprising a bank of charge storage devices arranged in series and connected across the supply voltage.06-14-2012
20110215641MANAGEMENT OF AN ELECTRIC POWER GENERATION AND STORAGE SYSTEM - In one technique of the present invention, DC electric power from a DC bus is inverted to provide AC electricity to one or more electrical loads, and AC power from a power generating device is rectified to provide a first variable amount of electric power to the DC bus. This technique also includes determining power applied to the electrical loads, and dynamically controlling the amount of power supplied from the power generating device and an electrical energy storage device in response to the power applied to the loads.09-08-2011
20120146411POLYPHASE POWER MANAGEMENT SYSTEM FOR TELECOMMUNICATIONS EQUIPMENT SITE POWER PLANT AND METHOD OF OPERATION THEREOF - A polyphase power management system (PMS) and a method of operating the same. In one embodiment, the PMS includes: (06-14-2012
20110080044Standalone unit of a standalone power grid for communicating energy requests with another standalone unit - The invention relates to a standalone unit for a standalone power grid, to a standalone power grid comprising a standalone unit and to a method for controlling a standalone power grid. In order to permit reduced recourse to an external power grid or public power grid, the standalone unit according to the invention comprises a power generation unit, in particular a photovoltaic unit, for generating power from renewable resources, an energy storage unit for storing energy, a load connection unit for connecting the standalone unit to a load unit for consuming energy, a grid unit, in particular an inverter unit, for connecting the standalone unit to a power grid, for drawing energy from the power grid and for feeding energy into the power grid, and an interface unit for communicating an energy withdrawal request and/or an energy storage request with a second standalone unit.04-07-2011
20120306270ENERGY MANAGEMENT APPARATUS AND ENERGY MANAGEMENT METHOD, AND ENERGY MANAGEMENT SYSTEM INCLUDING ENERGY MANAGEMENT APPARATUS - The present disclosure relates to an energy management apparatus, an energy management method and an energy management system including an energy management apparatus, in which a new renewable energy generation system such as a charged energy of a battery in an electric vehicle, a solar energy generation system, a wind power energy generation system or a fuel cell system determines whether an emergency energy is supplied, in case a main energy is not supplied due to reasons such as blackout, the emergency energy is supplied to energy using equipment if the emergency energy is supplied, the energy using equipment to be supplied with the emergency energy is pre-set, and the emergency energy is supplied only to the pre-set energy using equipment.12-06-2012
20120306271STORAGE BATTERY SYSTEM - A storage battery is charged with power supplied from at least one of a commercial power system and an independent power source, and supplies the charged power to a plurality of electric devices or the commercial power system. A control unit switches the operation state of the storage battery to either charging or discharging, and switches connection destinations of the storage battery. When the commercial power system is not in a power outage state, the control unit supplies power from the storage battery to the electric devices or the commercial power system only if the remaining level of the storage battery exceeds a reference value.12-06-2012
20110156480DATA CENTER USING FUEL CELLS IN PLACE OF DIESEL GENERATORS FOR BACKUP POWER - The need for backup diesel generators in a data center is obviated by using fuel cells to convert a fuel to electrical energy, which provide backup power to equipment in a data center, which may include the servers in the data center and other important systems that normally use utility power. When the utility power fails, the equipment switches to backup power that is provided by fuel cells supplied with fuel (such as natural gas), possibly using a source of temporary power (e.g., a UPS or direct tie-in of batteries) while the fuel cells come online. The fuel may also be used to power a turbine or generator, coupled to a chiller for providing a cooled liquid to a cooling system.06-30-2011
20110049980SYSTEM AND METHOD FOR ALLOCATING POWER TO LOADS - A system and method for adaptive control of power among a plurality of loads based on a categorization of the loads as either delayable or non-delayable, wherein the non-delayable loads are preferably supplied power over the delayable loads. In one aspect, the system may be used to allocate limited power from a backup power source.03-03-2011
20120013186POWER SUPPLY UNIT DIRECTLY CONNECTED TO BACKUP DIRECT CURRENT POWER SOURCE - A power supply unit that obviates the need for an uninterrupted power supply (UPS) for a server in a data center by receiving a DC power from a temporary backup power source. The power supply unit converts AC power received from a power utility service into a DC power for operating one or more motherboards of the server. An AC to DC converter in the power supply unit senses an input AC voltage and activates a DC to DC converter coupled to the temporary backup power source. The DC to DC converter powers the one or more motherboards until a generator serving as an auxiliary AC power source becomes operational. The power supply unit resumes connection to the AC to DC converter after the generator becomes operational.01-19-2012
20120153720POWER SYSTEM FOR CONTAINER DATA CENTER - A power system for a container data center includes an interruptible power supply, a power supply unit and a storage capacitor. The uninterruptible power supply rectifies the inputted AC voltage to a DC voltage output. The power supply unit converts the DC output voltage to a suitable voltage for a load. The storage capacitor is connected between the input terminal of power supply unit and the ground, and placed outside of the power supply unit.06-21-2012
20120153722Method and apparatus for integrated electric power generation, storage and supply distributed and networked at the same time - An electric power retention distribution cell supplies stored electrical power as the primary electric supply to an end user at predetermined times. The cell has a rechargeable battery assembly, a bi-directional inverter and a switch control, and is connected to an electric utility grid, to one or more end users and to alternate power generation sources, such as wind or solar. The battery assembly is charged from the alternate power generation source and from grid power, and the cell is switched at selected times to provide the primary electric supply from stored electric power in the cell to the end user. A circuit of the battery assembly gives an extended electric power storage time by controlling storage parameters. Networks using the electric cell are also described for a utility hub network formed using two or more cells, and for a regional utility hub network formed using multiple utility hubs.06-21-2012
20120153721UNINTERRUPTED POWER SUPPLY CIRCUIT UNIT AND METHOD FOR UNINTERRUPTED POWER SUPPLY OF CONSUMERS OF A POWER GENERATION PLANT - An uninterrupted power supply (UPS) circuit unit for uninterrupted power supply of consumers of a power generation plant for feeding current into a power network, including an inductance element, in particular a transformer and/or a choke, and a first UPS control circuit which is connected to the inductance element and comprises a DC power path which is connected to a DC power source, wherein the first UPS control circuit is adapted to guarantee uninterrupted power supply of the consumers from the DC power source via the DC power path in the event of a voltage drop in the power network, wherein the UPS circuit unit comprises at least one further independent UPS control circuit connected to the inductance element, arranged parallel to the first UPS control circuit and having a further DC power path which is connected to a DC power source.06-21-2012
20120025607POWER SUPPLY SYSTEM FOR MOUNTING TO A RAIL - Power supply system for mounting to a rail has an AC/DC converter for converting high voltage AC power to low voltage DC power a controller for controlling the power supply system, an AC/DC converter and controller module for mounting to the rail and for connection to the AC/DC converter and controller respectively, and a battery connection and LVBD contactor module for mounting to the rail and for connection to a first battery, wherein the battery connection and LVBD contactor module on a first side is connected to the AC/DC converter and controller module by a first connection interface and where the battery connection and LVBD contactor module on a second side, opposite of the first side, has a first connector of a second connection interface.02-02-2012
20120205975SYSTEM FOR CONTROLLING ELECTRIC POWER SUPPLY TO DEVICES - A system for controlling an electric power supply to devices is provided. The system includes a plurality of power supply sources, devices operated by an electric power, and a control part that determines the power supply source to be used for supplying the electric power to the devices. Further, the control part controls the amount of electric power to be supplied to the devices by the determined power supply source.08-16-2012
20110181108APPARATUS, SYSTEM AND METHOD FOR A UPS - According to one aspect of the invention, a UPS includes an input configured to be coupled to an AC power source, a DC power source, an output configured to receive power from at least one of the AC power source and the DC power source, a first switched receptacle outlet coupled to the output and configured to be coupled to a first electrical load and a second receptacle outlet coupled to the output and configured to be coupled to a second electrical load. According to some embodiments, the UPS also includes a control unit configurable to provide a first configuration associated with the first switched receptacle outlet, where the first configuration is employed by the control unit to control a connection of the first switched receptacle outlet to the output independent of the second receptacle outlet.07-28-2011
20120212051UNINTERRUPTIBLE POWER SUPPLIES FOR USE IN A DISTRIBUTED NETWORK - A UPS module configured to be arranged between at least one AC line and a communications system comprising at least one load comprises a power system, a diagnostic system, and a communications module. The power system comprising a battery module, an inverter module, and a transformer module and is operatively connected between the AC line and the at least one load. The diagnostic system generates battery diagnostic information, inverter diagnostic, utility diagnostic information, and transformer diagnostic information. The communications module transfers diagnostic information between the diagnostic system and the communications system.08-23-2012
20090058183Power source for aircraft engine controller systems - An aircraft engine power distribution system for an aircraft engine controller, such as a FADEC, is provided where the power source is independent from the conventional airframe power system, without the need for a back-up battery. The aircraft engine power distribution system includes a magnetic generator operated by an aircraft engine. The aircraft engine power distribution system also includes a power distributor that rectifies the generator output and provides the rectified power to the engine controller as its primary source of power. In this configuration, as long as the aircraft engine is able to operate the magnetic generator, the engine controller receives power. Accordingly, the engine controller operates regardless of the operational status of the airframe power system.03-05-2009
20120169121METHOD AND DEVICE FOR THE HIGH-SPEED AUTOMATIC ACTIVATION OF A BACKUP CONSUMER ELECTRICAL POWER SUPPLY - The invention can be used in the field of electrical engineering. The technical result is an increase in activation speed. The method consists in measuring the positive-phase-sequence voltage of the busbars in a backup power source, the linear voltages at the busbars in the primary power source and the angle between the vectors of the positive-phase-sequence voltages of the busbars in the primary and the backup power sources, in measuring, separately for each of the three phases at the input of the primary power source, the value of the rms current in a phase and the value of the angle between the vector of the complex rms current in the same phase and of the vectorial sum of the complex rms voltage between the two other phases at the busbars in the primary power source and the received portion, which is equal to 0-50%, of the analogous complex rms voltage at the busbars in the backup power source, in measuring the change in the angle between the vectors of the positive-phase-sequence voltages of the busbars in the primary and the backup power sources over a set period of time and in switching the power supply to the busbars from the primary source to the backup source in the event of any of the above-mentioned magnitudes departing from the range of permissible values for these magnitudes.07-05-2012
20120074778Method And Apparatus For Booting Up Digital Circuit Nodes Coupled To A Single Conductor Current Line - Light Emitting Diodes (LEDs) are increasingly used in illumination applications. To control multiple Light Emitting Diodes (LEDs), or any other controllable light source, this document introduces a single-wire multiple-LED power and control system. Specifically, individually controlled LED units are arranged in a series configuration that is driven by a control unit located at the head of the series. Each of the individually controlled LED units may comprise more than one LED that is also individually controllable. The head-end control unit provides both electrical power and control signals down a single wire to drive all of the LED units in the series in a manner that allows each LED unit to be controlled individually or in assigned groups.03-29-2012
20120319477LIGHTING SYSTEM - Lighting system utilizing electricity from energy storage and/or alternative energy source during peak usage times to power a load. In one instance, a series of batteries are configured to provide any desired voltage (e.g. 12V for LED lighting and 108V DC for an electric motor for a fan).12-20-2012
20120286574POWER SYSTEM - Disclosed is an electric power system including a first unit (for example, a unit 11-15-2012
20130009467Load Control Module For A Generator And Method Of Operation - A load control module is provided for use with a transfer switch apparatus that controls the delivery of standby electrical power to a load during utility power interruption. The load control module selectively brings loads online to receive standby electrical power to prevent overloading of the electric generator that is providing the standby electrical power. The frequency of the electrical power is also monitored and if a low frequency condition is detected, loads are taken offline (shed). A method to flag those loads that induce an overload condition is also provided.01-10-2013
20130015704UNINTERRUPTIBLE POWER SUPPLYAANM Tsai; Wen-YinAACI Taoyuan HsienAACO TWAAGP Tsai; Wen-Yin Taoyuan Hsien TWAANM Liao; Jen-ChungAACI Taoyuan HsienAACO TWAAGP Liao; Jen-Chung Taoyuan Hsien TWAANM Cheng; Po-TaiAACI HsinchuAACO TWAAGP Cheng; Po-Tai Hsinchu TWAANM Chen; Yu-HsingAACI HsinchuAACO TWAAGP Chen; Yu-Hsing Hsinchu TW - Disclosed is an uninterruptible power supply, including a rectifier for generating a DC voltage; an energy storage unit; an inverter for converting the DC voltage into a three-phase modulating voltage; a filter; a bypass switch circuit for selectively outputting a three-phase AC voltage or the three-phase modulating voltage as a three-phase load voltage; and a control circuit for controlling the operation of the uninterruptible power supply. The control circuit may use a flux compensation block with different operating modes to adjust the three-phase load voltage at the startup phase of a second inductive load and at the stable phase of the second inductive load, thereby compensating or correcting the flux of the second inductive load to prevent the flux distribution of the second inductive load from being saturated.01-17-2013
20130169046POWER CONSUMPTION CONTROL APPARATUS AND POWER CONSUMPTION CONTROL METHOD - A power consumption control apparatus and a power consumption control method capable of providing a power storage being utilized as an uninterruptible power supply (UPS), and in a case of an emergency, automatically selecting a load to supply a backup power to the load, the power consumption control method including determining an occurrence of an abnormality in a supply of a grid power and a renewable power, performing an emergency mode to immediately finish a current operation of a load if it is determined that an abnormality in the supply of both of the grid power and the renewable power has occurred, and performing a standby mode to stand by until the current operation of the load is finished in a normal manner if it is determined that an abnormality in the supply of the grid power has occurred while the supply of the renewable power is normal.07-04-2013
20130169047SYSTEM FOR SUPPLYING ENERGY07-04-2013
20130154365Backup Power System for Rack-Mounted Equipment - A power supply system for data center racks comprises a main power circuit including a power factor correction (PFC) module and a bypass power circuit in parallel to the main power circuit. During normal operation, the main power circuit provides power output because the output voltage of the PFC module in the main power circuit under normal conditions is higher than the output voltage of the bypass power circuit. When the PFC module in the main power circuit fails, the bypass power circuit provides power output in bypass operation. The bypass power circuit provides power by rectifying a three-phase AC current to produce an output suitable for equipment that uses DC power.06-20-2013
20130169045DC ENERGY STORE SYSTEMS AND METHODS OF OPERATING THE SAME - A dc energy store system includes a dc energy store, an AC/DC power converter having ac terminals connected to an ac power supply and dc terminals connected to the dc energy store, and at least one auxiliary unit associated with the dc enemy store. The dc energy store system is adapted to be operated in a number of different operating modes including: (i) a first mode to supply power from the ac power supply to the dc energy store; (ii) a second mode to supply power from the dc energy store to the ac power supply; (iii) a third mode to supply power from the ac power supply to the auxiliary unit(s); and (iv) a fault mode where there is a fault in the ac power supply, and power is supplied from the dc energy store to the auxiliary unit(s).07-04-2013
20100045107METHODS AND SYSTEMS FOR DISTRIBUTING LOAD TRANSFERS IN POWER SUPPLY SYSTEMS - A power supply system includes an AC power line with an uninterruptible power supply (UPS) device coupled to receive power from the AC power line. The UPS includes control circuitry that couples power conversion circuitry of the UPS to the AC power line when the available AC power is acceptable. The power supply system also includes a second UPS device coupled to receive power from the AC power line. The second UPS includes a timer delay, such that the control circuitry is configured to couple power conversion circuitry to the AC power line when the available AC power is acceptable, and upon expiration of the timer.02-25-2010
20130175860BATTERY POWER SUPPLY DEVICE AND METHOD OF CONTROLLING POWER OF THE SAME - A battery power supply device is provided. The battery power supply device includes: an input unit that receives external power; a battery power unit that is connected to the input unit to charge a battery with the external power; a current detection unit that detects a current that is supplied to a load and that provides the current to the battery power unit; and an output unit that provides the external power and battery power from one node to the load and that receives a load current from the battery power unit to adjust output of the battery power.07-11-2013
20130113281FEED SYSTEM TO BE USED IN RESIDENCE SUCH AS MULTI-UNIT APARTMENT COMPLEX - A photovoltaic array (05-09-2013
20130093242SMART POWER SUPPLY SYSTEM FOR MINIMIZING POWER CONSUMPTION DURING DEVICE STANDBY - The present invention discloses a smart power supply system for electrical appliances, using a rechargeable power storage device, a logic controller, and a learning controller, to control and minimize electricity consumption from mains power during standby. In standby mode, when only a small amount of electrical power is needed, energy from the power storage device is used and mains power is disconnected unless the power storage device requires a recharge. A logic controller senses the appliance's operating state, using it to determine when power should be supplied from mains power or the power storage device. A learning controller monitors and stores historical characteristics of the power storage device's charge and discharge cycles, using them to automatically calculate new recharge cycle parameters to minimize mains power consumption. An external input and output module enable users, computers and electronic devices to interact and program the learning controller.04-18-2013
20130147269Modular LED Lighting System Having Emergency Light Function - The invention relates to a modular LED lighting unit, comprising a first module (06-13-2013
20130147270POWER SUPPLY DEVICE FOR COMPUTING DEVICES - A power supply device for a computing device includes a voltage converter unit and an energy storage unit. The voltage converter unit converts an alternating current (AC) voltage of an external AC power supply to a direct current (DC) voltage and outputs the DC voltage to the computing device. The energy storage unit receives the DC voltage output by the voltage converter unit to charge a rechargeable battery of the energy storage unit as long as the AC voltage of the external AC power supply is higher than a predetermined threshold voltage, and outputs a DC voltage from the rechargeable battery to the computing device if the external AC power supply falls below the threshold voltage.06-13-2013
20130140889OUTPUT DISTRIBUTION CONTROL APPARATUS - According to one embodiment, there is provided an output distribution control apparatus for use in a power system including generators, loads and secondary batteries, which are connected to one another. The apparatus determines respective output distributions of the secondary batteries, to maximize a total of control surplus of the secondary batteries or to minimize a transmission power loss of the power system in presence of operation restrictions, based on at least the output distribution of the virtual secondary battery indicative of the secondary batteries regarded as a singular secondary battery, and data representing storage power of the secondary batteries and operation restrictions thereof.06-06-2013
20130181518POWER SUPPLY SYSTEM - [Problem] To provide a power supply system which effectively utilizes a power storage unit and also limits degradation of the power storage unit.07-18-2013
20100019574ENERGY MANAGEMENT SYSTEM FOR AUXILIARY POWER SOURCE - A control system is provided for controlling a load powered by an auxiliary power source during an interruption in the utility power source and/or during a power failure. The control system of the present invention provides power to essential loads in a dwelling as predetermined by a user and/or per the user's real-time instructions as the needs of the user may change. Additionally, the control system of the present invention automatically controls non-essential loads in order to maintain the auxiliary power load below the maximum threshold. Furthermore, the control system of the present invention allows the user to manually override all the controlled loads in an emergency or when the needs of the user change. Additionally, the control system of the present invention allows outside triggers to change the priority of the loads in real-time and can automatically change the priority due to predetermined tasks already running.01-28-2010
20130187453Fishtail Packaging and Cooling - A combined battery charger and motor driver circuit assembly includes a plurality of power transistors arranged as a planar array, a cold plate configured to couple heat from each of the transistors in the array, a conductive power coupling fitting (also termed a bus bar), at least one capacitor, and a ferrite bead filter surrounding a necked section of the bus bar. The bus bar has a plurality of individually electrically conductive layers, each two of the layers being separated by an insulating layer, each conductive layer providing a plurality of contacts, the contacts in a layer configured to provide electrical contact, in the alternative, for power transistor collectors or power transistor emitters. The laminated bus bar is extended to form a fishtail shape along a specified section distal to the power transistors. The fish tail section terminates in two electrical contacts configured to provide electrical contact via discrete conductors to respective positive and negative battery terminals. A top surface of the capacitor is conductive at least in part. The capacitor makes electrical and thermal contact with a conductor of the laminated bus bar distal to the transistor array. A bottom surface of the capacitor is also conductive at least in part and is in electrical contact with a conductor of the laminated bus bar proximal to the transistor array.07-25-2013
20130187454DETECTING ISLANDING CONDITIONS IN POWER NETWORKS - A method is provided for detecting islanding conditions in an electric power network which includes a plurality of sub-networks. The sub-networks include at least one power electrical unit and are separable from each other and a main grid supplying the network by switching devices. The method includes determining topological information of at least one sub-network of interest, detecting islanding conditions in at least one sub-network of interest on the basis of the topological information by using separate detecting devices for each sub-network of interest, and sending, on the basis of the islanding conditions detected by using the detecting devices, a disconnect signal to at least one power electrical unit in at least one sub-network of interest.07-25-2013
20110316336DEVICE MOUNTED UNINTERRUPTABLE POWER SUPPLY SYSTEM AND METHOD - Power control system for controlling power provision to an electrical device. An uninterruptable power supply (UPS) unit is mounted upon an internal circuit board of a host electrical device, and configured to provide a power reserve the host electrical device and client electrical devices electrically connected thereto. The power control system may be usefully incorporated into an intranet access switch having Power over Ethernet enabled connections.12-29-2011
20130249288POWER SUPPLY CIRCUIT, POWER SUPPLY METHOD AND POWER SUPPLY SYSTEM - A power supply circuit supplies power to a load from a main power source or an auxiliary power source. The power supply circuit includes a hybrid selection unit that selects one of the main power source and the auxiliary power source and supplies power to the load from the selected one, a voltage comparing unit that compares a voltage of the main power source and a voltage of the auxiliary power source, and a power source control unit that controls the auxiliary power source in accordance with a comparison result of the voltage comparing unit, and supplies a voltage higher than the voltage of the main power source by a predetermined voltage to the load from the auxiliary power source through the hybrid selection unit.09-26-2013
20120019065AUXILIARY POWER DISTRIBUTION AND CONTROL TO SPECIFIED CIRCUITS DURING POWER OUTAGES - A means is provided to connect a generator to an “auxiliary distribution box” that is permanently attached to the main distribution box in a home or building. The “auxiliary distribution box” contains circuit breakers, current and voltage sensing, a disconnect system utilizing relay contacts, and programmable controls to properly monitor and control the power distribution.01-26-2012
20120086269POWER CONVERSION SYSTEM AND UNINTERRUPTIBLE POWER SUPPLY SYSTEM - An uninterruptible power supply system includes a plurality of uninterruptible power supply devices (U04-12-2012
20130207466HOME ENERGY MANAGEMENT APPARATUS AND METHOD FOR INTERWORKING WITH NEW RENEWABLE ENERGY - A home energy management apparatus and method for interworking with a new renewable energy are provided.08-15-2013
20120146410POWER SUPPLY SYSTEM INCORPORATING STORAGE UNIT - An exemplary power supply system includes a mains supply unit, a generator unit, a switch unit selectively connected to one of the mains supply unit and the generator unit, a heat dissipation unit connected to the switch unit, a storage unit connected to the switch unit through a control element, and a plurality of server units connected to the storage unit. The heat dissipation unit is also connected to the storage unit. When the mains supply unit is cut off, the switch unit is automatically switched to connect the generator unit with the storage unit. After the mains supply unit is cut off and before the generator unit starts to output power, the storage unit is controlled to operate to thereby energize the server units and the heat dissipation unit to work continuously.06-14-2012
20130270906UNINTERRUPTIBLE ILLUMINATION SYSTEM - The uninterruptible illumination system contains at least a lighting device and a power detection device which is connected to a power supply line. There is a light generation element and a driver and communication module in each lighting device. The power detection device is wireless-linked with the driver and communication module. The power detection device detects the electrical condition on the power supply line. When the voltage on the power supply line is normal, at least a light device is able to provide illumination. On the other hand, when the voltage on the power supply line is not normal or there is no electricity, the driver and communication module receives a signal from a wireless transmitter of the power detection device, the stored electricity of an electricity provision unit of the driver and communication module is used to maintain the operation of the light generation element.10-17-2013
20090121546Electrical emergency source device located on an aircraft - The invention relates to an electrical emergency source device fitted on an aircraft, which comprises an energy source capable of outputting the power necessary for vital electrical loads (05-14-2009

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