| Patents for H02J 3 - Circuit arrangements for ac mains or ac distribution networks (38,663) |
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| 09/14/2011 | CN102185333A Method for realizing on-grid and off-grid dual-mode running of dual-directional converter in micro-grid |
| 09/14/2011 | CN102185332A Method for controlling exchanging power between microgrid and large power grid |
| 09/14/2011 | CN102185331A Zero-sequence-voltage-based current conversion chain average DC voltage control method |
| 09/14/2011 | CN102185330A Device and method for compensating symmetrical voltages of power grid based on high-temperature superconducting energy storage |
| 09/14/2011 | CN102185329A Super-capacitor-based DC voltage sag suppression device and suppression method thereof |
| 09/14/2011 | CN102185328A Novel large-scale power energy storage device |
| 09/14/2011 | CN102185327A Reversible fuel cell-based high-capacity power energy storage device |
| 09/14/2011 | CN102185326A Method for designing wide area damping control system with robustness |
| 09/14/2011 | CN102185325A Method for quantitatively evaluating transient stability of electric power system based on network measuring information |
| 09/14/2011 | CN102185324A Measured-information-based power system low-frequency oscillation analysis method |
| 09/14/2011 | CN102185323A Composite reactive compensation controller and compensation control method thereof |
| 09/14/2011 | CN102185322A Dynamic filter compensation device |
| 09/14/2011 | CN102185321A Integrated static compensator of distribution transformer |
| 09/14/2011 | CN102185320A Active power filter based on boost direct current-direct current (DC-DC) conversion circuit |
| 09/14/2011 | CN102185319A Resonance wave detecting and phase-locking method and device for active power filter |
| 09/14/2011 | CN102185318A Harmonic control device |
| 09/14/2011 | CN102185317A Hybrid-frequency-controlled harmonic current generator |
| 09/14/2011 | CN102185316A Conservative principle-based power system online stability analysis section data integrating method |
| 09/14/2011 | CN102185315A Enhanced-message-service (EMS)-based method for reconstructing 110kV regional grid network |
| 09/14/2011 | CN102185314A Power quality comprehensive evaluation method |
| 09/14/2011 | CN102185313A Universal type power-saving device |
| 09/14/2011 | CN102185312A Frequency conversion-control harmonic wave reactive and active current comprehensive compensation device |
| 09/14/2011 | CN102185311A Method for constructing distributed dynamic power flow computing system for energy management of electric power system |
| 09/14/2011 | CN102185310A Electric network power flow section visualization adjusting method based on transient stability calculation |
| 09/14/2011 | CN102185309A Movable slide wire electric energy network |
| 09/14/2011 | CN102185308A Power system state estimating method for taking zero injection measurement equality constraint into consideration |
| 09/14/2011 | CN102185307A Insulating configuration method for flexible direct-current transmission system of modularized multi-level transducer |
| 09/14/2011 | CN102185291A Island detection method and island detection system |
| 09/14/2011 | CN102185277A Method and device for controlling preferential tripping of power grid at sea |
| 09/14/2011 | CN102184325A Real-time dynamic electric energy and line loss analysis system based on uniform information model |
| 09/14/2011 | CN102183733A Photovoltaic grid connected inverter island detection method for improving quality of electric energy |
| 09/14/2011 | CN102182635A Offshore renewable energy source comprehensive power generating system |
| 09/14/2011 | CN102182634A Method for optimizing and designing island wind electricity generator, diesel engine and storage battery electricity generation power based on improved particle swarm |
| 09/14/2011 | CN102182632A Wind turbine device for regulating speed and running by using solar energy |
| 09/14/2011 | CN102182621A Sea wind, sea current and sea wave power generating device |
| 09/14/2011 | CN101707373B Automatic differentiation based power system state estimation method |
| 09/14/2011 | CN101645600B Discrimination method of double-delay dependent robust stability of power system |
| 09/14/2011 | CN101562340B Method for solving critical approximate power flow after failure of electric system |
| 09/14/2011 | CN101505065B Energy management system and control method using the same |
| 09/13/2011 | US8018095 Power conversion, control, and distribution system |
| 09/13/2011 | US8018094 Interim power source |
| 09/13/2011 | US8018090 Information processing apparatus and control method |
| 09/13/2011 | US8018089 System controller for integrated lighting control panels |
| 09/13/2011 | US8018088 Apparatus, system, and method for a synchronous multiple output power supply |
| 09/09/2011 | WO2011107846A1 Electric power supply system |
| 09/09/2011 | WO2011107830A1 Parallel-connected ballast circuits |
| 09/09/2011 | WO2011107555A1 Power inverter with multi-fed on-board power supply |
| 09/09/2011 | WO2011107151A1 Ac/dc converter station and a method of operating an ac/dc converter station |
| 09/09/2011 | WO2011106872A1 Duty cycle controller |
| 09/09/2011 | WO2011106862A1 Dynamic synchronization system |
| 09/09/2011 | CA2793710A1 Dynamic synchronization system |
| 09/09/2011 | CA2791410A1 Duty cycle controller |
| 09/08/2011 | US20110216562 Dc-to-dc power conversion |
| 09/08/2011 | US20110215790 Use pairs of transformers to increase transmission line voltage |
| 09/08/2011 | US20110215652 Substantially bumpless transfer grid synchronization |
| 09/08/2011 | US20110215650 Offshore energy harvesting, storage, and power generation system |
| 09/08/2011 | US20110215648 Uninterrupted power supply unit |
| 09/08/2011 | US20110215578 Wind turbine generator system |
| 09/08/2011 | DE202011101677U1 Energie-Fluss-Kontroll und Regelung Energy Flow control and regulation |
| 09/07/2011 | EP2363947A1 Inverter with onboard network with multiple supplies |
| 09/07/2011 | EP2362978A1 Reactive power optimization |
| 09/07/2011 | EP2362977A2 Voltage regulation optimization |
| 09/07/2011 | EP2362976A2 Intelligent energy management architecture |
| 09/07/2011 | CN201966838U Wind energy, solar energy, diesel and battery combined power supply and integrated control system thereof |
| 09/07/2011 | CN201966664U 一种太阳能发电供电系统 A solar power supply system |
| 09/07/2011 | CN201966629U 低电压穿越智能功率控制单元 Low voltage ride through intelligent power control unit |
| 09/07/2011 | CN201966628U 逆变器 Inverter |
| 09/07/2011 | CN201966627U 一种多电力多蓄电智能平衡供电系统 A multi-power multi-intelligent balance of power storage supply system |
| 09/07/2011 | CN201966626U 用于产生和存储可再生能源的设备 Renewable energy generation and storage equipment for |
| 09/07/2011 | CN201966625U 一种动态无功补偿装置 A dynamic reactive power compensation device |
| 09/07/2011 | CN201966624U 晶闸管控制的lc电容补偿电路 Lc capacitance compensation circuit thyristor controlled |
| 09/07/2011 | CN201966623U 一种动态无功功率补偿装置 A dynamic reactive power compensation device |
| 09/07/2011 | CN201966622U 无启动回路的高压静止无功发生器 No high-voltage startup circuit STATCOM |
| 09/07/2011 | CN201966621U 一种混合型静止无功功率发生器 A hybrid static reactive power generator |
| 09/07/2011 | CN201966620U 单相复合投切模块 Single-phase composite switching module |
| 09/07/2011 | CN201966619U 矿热炉短网滤波补偿装置风冷系统 Short wire submerged arc furnace filter compensation device air cooling system |
| 09/07/2011 | CN201966618U 高压无功功率自动调节装置 High-voltage reactive power automatic adjustment device |
| 09/07/2011 | CN201966617U Branch line voltage regulation device with controller using voltage as criterion and composite switches |
| 09/07/2011 | CN201966616U 一种滤波电路及使用该滤波电路的电力滤波装置 A power filter of the filter circuit and the filter circuit |
| 09/07/2011 | CN201966615U 一种具有高断口恢复电压的交流断路器 A high fracture recovery voltage AC circuit breaker |
| 09/07/2011 | CN201966614U 一种新型农网电压质量调节装置 A new rural network voltage quality adjustment device |
| 09/07/2011 | CN201966613U 用户级混合电力智能配电系统 User-level hybrid electric intelligent power distribution system |
| 09/07/2011 | CN201966611U 一种具有静止无功补偿装置的直流换流站 DC A static var compensator device has a converter station |
| 09/07/2011 | CN201966609U Detecting device of a current conversion station method of operation |
| 09/07/2011 | CN201961911U 电梯智能节电装置 Elevator intelligent energy-saving devices |
| 09/07/2011 | CN102177635A Photovoltaic power system |
| 09/07/2011 | CN102177634A Wind energy plant testing device |
| 09/07/2011 | CN102176625A Harmonic suppression transformer |
| 09/07/2011 | CN102175373A Full power testing system for large wind generating set |
| 09/07/2011 | CN101702521B State estimation method for electric power system considering influences of multi-balancing machine |
| 09/07/2011 | CN101699693B Method for calculating voltage fluctuation of power grid caused by rail traction shock load |
| 09/07/2011 | CN101620259B Method and system for power supply aging |
| 09/07/2011 | CN101498284B Follow-up hydraulic capacity increasing system and method |
| 09/07/2011 | CN101427437B Method for monitoring the electrical energy quality in an electrical energy supply system, power quality field device and power quality system |
| 09/06/2011 | US8015334 Power-on signal transmitting system and power-on signal transmitting method |
| 09/06/2011 | US8014905 System and method for demand limiting resistive load management |
| 09/06/2011 | US8014178 Converter station |
| 09/06/2011 | US8013472 Method for distributed power harvesting using DC power sources |
| 09/06/2011 | US8013469 System and process for power supply to a railway vehicle, converter, control unit, and air-conditioning unit for the system |
| 09/06/2011 | US8013467 Method and device for optimizing signal power on a wired communications network |