Patents for H02J 3 - Circuit arrangements for ac mains or ac distribution networks (38,663)
05/2010
05/06/2010WO2010049027A1 A distributed electrical generation system
05/06/2010WO2010048961A1 System and method for connecting a converter to a utility grid
05/06/2010WO2010018264A4 Electric power transmission system with a dc link
05/06/2010WO2010014195A3 Electrical power distribution system and method thereof
05/06/2010WO2010008479A3 Aggregator, monitor, and manager of distributed demand response
05/06/2010WO2010005630A3 Methods and systems for managing facility power and cooling
05/06/2010US20100114395 Power dispatch system for electrolytic production of hydrogen from wind power
05/06/2010US20100114387 Electric power grid control using a market-based resource allocation system
05/06/2010US20100109447 Wide area transmission control of windfarms
05/06/2010US20100109433 Power allocating apparatus
05/06/2010US20100109432 Power supply providing multiple synchronous outputs
05/06/2010US20100109431 Device And Method For Eliminating Transformer Excitation Losses
05/06/2010DE202010001742U1 Speiseeinrichtung für ein Wechselstromnetz Supply device for an alternating current network
05/06/2010CA2741627A1 A distributed electrical generation system
05/05/2010EP2182609A2 Electrical circuit
05/05/2010EP2182607A1 Device for providing electrical energy
05/05/2010EP2182207A2 Wide-area transmission control of windfarms
05/05/2010EP2181491A2 Support of a sustainable energy supply having a carbon cycle using regeneratively generated hydrogen
05/05/2010CN201450451U Rectified power source system of integrative vacuum self-consuming furnace
05/05/2010CN201450344U Device for preprocessing automatic generating control target load
05/05/2010CN201450343U Solar photovoltaic grid-connected system for railway
05/05/2010CN201450342U Automatic synchronization device with automatic switching circuit
05/05/2010CN201450341U Water-proof structure of 10kv circuit voltage reactive power compensation device
05/05/2010CN201450340U Mixed-type stepless reactive compensation device
05/05/2010CN201450339U 66kv optically controlled water-cooling thyristor valve group
05/05/2010CN201450338U Static subsynchronous resonance dynamic reactive compensating device
05/05/2010CN201450337U Reactive power compensation-type intelligent voltage regulator
05/05/2010CN201450336U Passive harmonic filter
05/05/2010CN201450335U Passive filter controller SPF electric power system
05/05/2010CN201450334U Program-control active filter of power system
05/05/2010CN201450257U Box-type interconnection transformer substation for reducing 20kV/10kV to 0.4kV
05/05/2010CN1808826B Dynamic reactive compensation control method
05/05/2010CN1528042B Current inverter
05/05/2010CN101702524A Generator and control method for load adjustment based on optimization model
05/05/2010CN101702523A Distributed modular grid-connected power generation system and control method thereof
05/05/2010CN101702522A Small-size wind generating set with power tracking analysis
05/05/2010CN101702521A State estimation method for electric power system considering influences of multi-balancing machine
05/05/2010CN101702360A Pre-magnetizing device of power supply transformer and pre-magnetizing method thereof
05/04/2010US7711655 Electric power trading support system
05/04/2010US7710747 Voltage-source inverter apparatus utilizing ripple voltage
05/04/2010US7709975 Redundant power supply system
05/04/2010US7709974 Power supply device
05/04/2010US7709727 Circuit arrangement for a photovoltaic system
04/2010
04/29/2010WO2010046998A1 Electric power supply system
04/29/2010WO2010046594A1 Method for regulating consumed power in a power grid
04/29/2010WO2010046331A1 System and method for controlling at least one voltage converter with several cells in series
04/29/2010WO2010045959A1 Apparatus and method for reactive power compensation of a test transformer
04/29/2010WO2010045790A1 Load limiter device
04/29/2010WO2010045726A1 Single phase power factor correction system and method
04/29/2010WO2009146224A8 System, method, and computer software code for linking a plurality of powered systems having different linking protocols to operate as a single powered system
04/29/2010US20100106342 Day-ahead load reduction system based on customer baseline load
04/29/2010US20100102637 Generator set control system
04/29/2010US20100102636 Nested redundant uninterruptible power supply apparatus and methods
04/29/2010US20100102631 Apparatus power restart method in response to network connection status
04/29/2010DE102008043205A1 Energieerzeugungsvorrichtung zum mobilen Versorgen eines Fahrzeuges mit elektrischer Energie Energy generating means for supplying a mobile vehicle with electrical energy
04/29/2010CA2740896A1 Single phase power factor correction system and method
04/28/2010EP2180571A2 Centralized energy management in distributed systems
04/28/2010EP2180392A1 Electric voltage supply
04/28/2010EP2179483A1 Controlling power supply to vehicles through a series of electrical outlets
04/28/2010EP2179340A1 Energy management system that provides real time situation awareness of a potential energy management failure
04/28/2010EP2179339A2 Methods for assessing potentially compromising situations of a utility company
04/28/2010CN201444626U Energy-saving asynchronous motor control cabinet
04/28/2010CN201444586U Computer quasi-synchronizing device
04/28/2010CN201444585U High-voltage power-supply and energy-storage device
04/28/2010CN201444584U Double-circuit power supply voltage sag voltage compensating device
04/28/2010CN201444583U Three-phase imbalance monitoring and adjusting system
04/28/2010CN201444582U Low-voltage dynamic reactive power automatic compensation device
04/28/2010CN201444581U Harmonic-wave-eliminating frequency converter
04/28/2010CN201444580U Novel power consumption quality optimizing device
04/28/2010CN1813396B Resonant converter and its method and inductive coupling electric energy transmission system
04/28/2010CN1663093B Power supply system and apparatus
04/28/2010CN101699760A Dynamic power control system of variable speed constant frequency doubly-fed asynchronous wind-driven generator
04/28/2010CN101699759A Wind and power integrated rotor excitation control system of double-fed motor based on self interference resistance
04/28/2010CN101699737A Controlled reactor-based series voltage control device of circuit
04/28/2010CN101699696A Method for tracking maximum power of photovoltaic grid-connection system and device employing same
04/28/2010CN101699695A Discharge energy-saving type compensating capacitor device
04/28/2010CN101699694A Three-phase three-wire dynamic split-phase reactive power compensation device and control method thereof
04/28/2010CN101699693A Method for calculating voltage fluctuation of power grid caused by rail traction shock load
04/28/2010CN101699692A Series connection type voltage transient variation compensation control circuit and control method
04/28/2010CN101699691A Multi-order multi-parameter adjustable electrical load device
04/28/2010CN101699448A Transient stability distributed simulation method of electric power system
04/28/2010CN101010848B Method and device for electric power flow control in high-voltage grid
04/27/2010US7706164 Inverter device
04/27/2010US7705491 Apparatus, system, and method for automatically displacing a faulty in-use battery in a battery-powered electric equipment
04/27/2010US7705485 Power source and image forming apparatus
04/27/2010US7705484 Energy management system and method
04/27/2010US7705483 DC-DC converter control circuit, DC-DC converter, power supply unit, and DC-DC converter control method
04/22/2010WO2010045349A2 Electrical energy saving system
04/22/2010WO2010045092A2 Short-term load forecasting based capacity check for automated power restoration of electric distribution networks
04/22/2010WO2010044352A1 Photovoltaic power system
04/22/2010WO2010017041A3 Autoloop system and method of operation
04/22/2010WO2010014960A3 Wind turbine direct current control system and methods
04/22/2010WO2009141651A3 Supervisory system controller for use with a renewable energy powered radio telecommunications site
04/22/2010WO2009076968A3 Event-based control system for wind turbine generators
04/22/2010US20100100250 Real-time performance monitoring and management system
04/22/2010US20100096933 Method and system for high-reliability power switching
04/22/2010US20100096932 System, method, and computer software code for controlling multiple generators of a powered system
04/22/2010US20100096931 Power control of transport system
04/22/2010US20100096929 Power supply system
04/22/2010US20100096925 Outlet apparatus with power classification management