| Patents for H02J 3 - Circuit arrangements for ac mains or ac distribution networks (38,663) |
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| 06/13/2012 | CN101917014B Accumulator charging and discharging control method for smoothening power fluctuation of wind power station |
| 06/13/2012 | CN101847874B Wattless current tracking method of static var compensator based on power balance |
| 06/13/2012 | CN101483345B Control method for photovoltaic grid connection inverter with wide input range |
| 06/13/2012 | CN101420125B Zero phase sequence resistance adjusting apparatus and method for zero phase sequence filter |
| 06/13/2012 | CN101207289B Wind power generation system |
| 06/12/2012 | US8199540 High voltage gain power converter |
| 06/12/2012 | US8198752 Electrical coupling apparatus and method |
| 06/08/2012 | CA2761175A1 An apparatus and method for estimating synchronized phasors at predetermined times referenced to a common time standard in an electrical system |
| 06/08/2012 | CA2760888A1 Fault-ride-through method, converter and power generating unit for a wind turbine |
| 06/08/2012 | CA2760713A1 Arrangement and method for testing an electric power generation system |
| 06/08/2012 | CA2759432A1 Systems, methods, and apparatus for leakage current masking and ground fault detection |
| 06/07/2012 | WO2012074311A2 Parallel operating inverter wind power generating system using a current balancer |
| 06/07/2012 | WO2012073533A1 Detection device and method, and program |
| 06/07/2012 | WO2012073383A1 Natural energy storage system |
| 06/07/2012 | WO2012073228A1 Improvements in and relating to wind farms |
| 06/07/2012 | WO2012072679A1 Method and system for charging a fleet of batteries |
| 06/07/2012 | WO2012072412A1 Arrangement and method for testing an electric power generation system |
| 06/07/2012 | WO2012072172A2 Electrical supply system |
| 06/07/2012 | WO2012072123A1 Reactive power compensator, computer programs and computer program products |
| 06/07/2012 | WO2012072007A1 Multi-layer superposed-combined vertical wind power generation system |
| 06/07/2012 | WO2012071953A1 Method for identifying safety precaution and control candidate measure collection of self-adaptive external-environmental electric power system |
| 06/07/2012 | WO2012044058A3 Voltage management system and method |
| 06/07/2012 | WO2011117386A3 A milking system |
| 06/07/2012 | WO2011063803A3 Module switch, solar module, solar cable, busbar, and device |
| 06/07/2012 | US20120143388 Electricity market-oriented dc-segmentation design and optimal scheduling for electrical power transmission |
| 06/07/2012 | US20120142537 Superconducting direct current transmission system |
| 06/07/2012 | US20120140415 Data center |
| 06/07/2012 | US20120139354 No Break Power Transfer for Power Generating System |
| 06/07/2012 | US20120139353 Method for controlling an energy conversion system |
| 06/07/2012 | US20120139340 RF and EM Field Shield and Electrical Generator |
| 06/07/2012 | US20120139339 Power supply apparatus and method to control the same |
| 06/07/2012 | CA2819566A1 Reactive power compensator, computer programs and computer program products |
| 06/06/2012 | EP2461456A1 AC conversion of varying voltage DC such as solar power |
| 06/06/2012 | EP2461455A2 Photovoltaic device |
| 06/06/2012 | EP2461454A2 Integration of renewable power generating technologies with integrated volt/var control systems |
| 06/06/2012 | EP2461453A1 Reactive power compensation for auxiliary actuators in a solar or wind power station |
| 06/06/2012 | EP2461452A1 System for reactive power compensation in electricity system |
| 06/06/2012 | EP2461451A2 Enhanced load management and distribution system |
| 06/06/2012 | EP2461450A2 A method and apparatus for control |
| 06/06/2012 | EP2461027A1 Arrangement and method for testing an electric power generation system |
| 06/06/2012 | EP2461026A1 Arrangement and method for testing an electric power generation system |
| 06/06/2012 | EP2460264A1 Configurable hybrid converter circuit |
| 06/06/2012 | EP2460249A2 Method and apparatus for managing transmission of power in a power transmission network |
| 06/06/2012 | EP2460248A2 System and method for control for regenerative energy generators |
| 06/06/2012 | EP2460247A1 Method and apparatus for managing transmission of power in a power transmission network |
| 06/06/2012 | EP2460246A2 Responsive load monitoring system and method |
| 06/06/2012 | EP2460245A2 Method for operating an electrical power supply network |
| 06/06/2012 | EP2460244A2 Device for compensating harmonics occurring in current flows in a high-voltage network |
| 06/06/2012 | DE102010062362A1 High-speed charging station for charging battery of electric vehicle, has output-side converter with high output power, whose input and output terminals are connected to respective electrical energy storage device and electrical load |
| 06/06/2012 | DE102010060938A1 Kontrollsystem Control system |
| 06/06/2012 | CN202268830U Magnetic-control voltage-regulating soft starting device of high-voltage AC motor |
| 06/06/2012 | CN202268709U Photovoltaic broken network relay zero crossing control circuit and system |
| 06/06/2012 | CN202268708U Solar photovoltaic generation grid-connection device |
| 06/06/2012 | CN202268707U Special equipment for intelligent element matrix integration grid of wind generating unit |
| 06/06/2012 | CN202268706U 采用并联h桥结构的谐波源装置 H harmonic source device parallel bridge structure |
| 06/06/2012 | CN202268705U Wind power station power grid voltage disturbance simulation generator |
| 06/06/2012 | CN202268704U Doubly-fed induction wind power generator controller without grid side converter |
| 06/06/2012 | CN202268703U Bus reactive power optimization compensation controller |
| 06/06/2012 | CN202268702U 6kV cabinet type magnetically-controlled static reactive power compensation device |
| 06/06/2012 | CN202268701U Reactive power consumption system for low-voltage power distribution cabinet |
| 06/06/2012 | CN202268700U Reactive compensation system of drawer type switch cabinet |
| 06/06/2012 | CN202268699U Stable-voltage real-time dynamic guaranteeing device for low-voltage power grid |
| 06/06/2012 | CN202268698U 一种用于电力系统联网工程的稳定控制装置 A stability control system for power system interconnection project |
| 06/06/2012 | CN102487561A Energy-saving LED (Light-emitting Diode) lighting power supply aging device |
| 06/06/2012 | CN102487200A Mixed power supply system for ship |
| 06/06/2012 | CN102487199A Soft switching grid-connected inverter |
| 06/06/2012 | CN102487198A Energy-saving electrified ageing device for switch power supplies |
| 06/06/2012 | CN102487197A Three-phase load balancer of small-power set |
| 06/06/2012 | CN102487196A Method for realizing rapid N-1 fault scanning for large-scale power system |
| 06/06/2012 | CN102486160A Offshore wind generating set |
| 06/06/2012 | CN102486153A Liquid pipeline generating set |
| 06/06/2012 | CN101916308B Design method and device for controller of three-phase three-wire type uniform electric energy regulator |
| 06/06/2012 | CN101860031B Method for reducing influence of dead time on spatial vector |
| 06/06/2012 | CN101728838B Photovoltaic power generation device and method based on amplitude-phase control |
| 06/06/2012 | CN101651345B Intelligent alarming method for grid |
| 06/06/2012 | CN101621203B Static var corrector |
| 06/06/2012 | CN101383514B Ups device |
| 06/06/2012 | CN101278457B Induction regulator for controlling energy flow used in alternating current transmission network, and method for controlling the network |
| 06/05/2012 | US8193663 Information processing apparatus with multiple power receiving units |
| 06/05/2012 | US8193654 Variable speed power generator having two induction generators on a common shaft |
| 06/05/2012 | CA2511082C Power control interface between a wind farm and a power transmission system |
| 06/05/2012 | CA2425496C Fast phase synchronization and retrieval of sequence components in three-phase networks |
| 06/03/2012 | CA2760412A1 Arrangement and method for testing an electric power generation system |
| 05/31/2012 | WO2012070141A1 Output control method and output control device for wind-powered electricity generating facility |
| 05/31/2012 | WO2012068618A1 A system for isolating portions of a power supply array |
| 05/31/2012 | WO2012047576A3 Power allotment distribution in a data center |
| 05/31/2012 | WO2012034114A3 A method and system for controlling a building load in tandem with a replenishable energy source in order to increase the apparent size of the replenishable energy source |
| 05/31/2012 | WO2012018220A3 Apparatus supplying power wirelessly and which prevents harmonic radiation |
| 05/31/2012 | WO2012000508A3 Wind turbine |
| 05/31/2012 | WO2011018527A3 Asynchronous generator system and wind turbine having an asynchronous generator system |
| 05/31/2012 | US20120135786 Portable communiation device |
| 05/31/2012 | DE102010052331A1 Electrical system has frequency sensor connected to three-phase network in a state co-operating with control unit outside a specific bandwidth frequency, to automatically activate second control program with independent frequency control |
| 05/30/2012 | EP2458724A1 Movable shore power variable frequency power supply device |
| 05/30/2012 | EP2458704A1 Method and system for charging a fleet of batteries |
| 05/30/2012 | EP2458703A2 System and method for estimating demand response in electric power systems |
| 05/30/2012 | EP2457297A1 Sequentional electrical power delivery from two generators |
| 05/30/2012 | EP2457132A1 Energy management system and method |
| 05/30/2012 | EP2127061B1 Active filtration of a three-phase current |
| 05/30/2012 | CN202261161U Low-voltage frequency conversion control system for high-power alternating-current rolling mill |
| 05/30/2012 | CN202261124U High-voltage motor solid soft starting compensation apparatus |