| Patents for H02J 3 - Circuit arrangements for ac mains or ac distribution networks (38,663) |
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| 08/17/2011 | CN201937279U 一种变压器隔离静止无功发生装置 A transformer isolation static var generator |
| 08/17/2011 | CN201937278U 10kv调压加分组无功补偿成套装置 10kv voltage regulator plus grouping sets of reactive power compensation device |
| 08/17/2011 | CN201937277U 智能低压无功补偿装置 Intelligent low-voltage reactive power compensation device |
| 08/17/2011 | CN201937276U 抽油机无功补偿电容器控制电路 Pumping reactive power compensation capacitor control circuit |
| 08/17/2011 | CN201937275U 交流低压抽出式电力无功补偿柜 AC low-voltage withdrawable power reactive power compensation cabinet |
| 08/17/2011 | CN201937274U 交流低压抽屉式电力无功补偿柜 AC low voltage reactive power compensation drawer cabinet |
| 08/17/2011 | CN201937273U 一种大容量电流互感器校验用自动补偿装置 A high capacity, current transformer calibration with automatic compensation device |
| 08/17/2011 | CN201937272U 新型高压无功自动补偿装置 New high-voltage reactive power automatic compensation device |
| 08/17/2011 | CN201937271U 一种紧凑型并联电容器成套装置 A compact parallel capacitor sets of devices |
| 08/17/2011 | CN201937270U 高压无功补偿装置 High-voltage reactive power compensation device |
| 08/17/2011 | CN201937269U 全天候静止型动态无功功率自动补偿装置 Weather static type dynamic reactive power compensation device automatically |
| 08/17/2011 | CN201937268U 串联式谐波滤除补偿装置 Tandem harmonic filter compensation device |
| 08/17/2011 | CN201937267U 矩阵式无源谐波抑制和无功功率补偿装置 Matrix Passive Harmonic suppression and reactive power compensation device |
| 08/17/2011 | CN201937266U 高炉滤波补偿专用成套装置 Furnace filter compensation dedicated sets of equipment |
| 08/17/2011 | CN201936774U 用于抽出式电力无功补偿柜的安全互锁装置 For withdrawable power reactive power compensation cabinet safety interlock device |
| 08/17/2011 | CN201936186U 船舶功率管理装置 Ship power management device |
| 08/17/2011 | CN201933473U 一种小型水轮发电站 A small water wheel power station |
| 08/17/2011 | CN1737838B Method and apparatus for providing economic analysis of power generation and distribution |
| 08/17/2011 | CN102160327A An authentication system for a plug-in electric drive vehicle |
| 08/17/2011 | CN102160251A Power supply arrangement for direct electrical heating of a pipeline system |
| 08/17/2011 | CN102159830A Power control for a wind park |
| 08/17/2011 | CN102159003A Solar energy and wind energy integrated highly-intelligent control method and system |
| 08/17/2011 | CN102158165A Dynamic difference correction nonlinear adaptive control method for magnetically controlled shunt reactor |
| 08/17/2011 | CN102158164A Trapezoidal variable weight regression control method for magnetically controlled shunt reactor |
| 08/17/2011 | CN102158163A Controllable rectification power generation system of permanent magnet doubly salient motor |
| 08/17/2011 | CN102158146A Method and device for starting megawatt-level double-fed motor |
| 08/17/2011 | CN102158133A Solar power generating and combining device of iron tower for power transmission |
| 08/17/2011 | CN102158115A Controlling and optimizing method of grid-combining three-phase voltage source converter in accumulator storage system |
| 08/17/2011 | CN102158109A Photovoltaic synchronization inverter system |
| 08/17/2011 | CN102158101A H-bridge cascaded multilevel voltage sag generator based on insulated gate bipolar transistor (IGBT) |
| 08/17/2011 | CN102158062A Photovoltaic grid-connected inverter |
| 08/17/2011 | CN102158055A Method and device for balancing neutral point potential of three-level converter for APF (accurate position finder) |
| 08/17/2011 | CN102157962A Wind power generator unit based complementary power generating system and grid combined debugging method |
| 08/17/2011 | CN102157961A Micro-net control device |
| 08/17/2011 | CN102157960A Method for anticipation protection and energy regulation of full-power wind turbine generator under symmetrical grid failure |
| 08/17/2011 | CN102157959A Solar photovoltaic contravariant generating system and operation method thereof |
| 08/17/2011 | CN102157958A Wind generating unit using multiple-winding generator |
| 08/17/2011 | CN102157957A Energy-saving feedback load system based on UPS (uninterrupted power supply) topology and control method thereof |
| 08/17/2011 | CN102157956A Virtual-impedance-based inverter parallel running method |
| 08/17/2011 | CN102157955A Single-phase non-isolation type photovoltaic grid-connected inverter and control method |
| 08/17/2011 | CN102157954A Photovoltaic inverter |
| 08/17/2011 | CN102157953A Decoupling calculation method for damp synchronization measurement of shaft series subsynchronous vibration machine of turbo-generator set |
| 08/17/2011 | CN102157952A Intelligent storage battery discharge energy-saving device for constant-current multi-loop feedback power grid |
| 08/17/2011 | CN102157951A Energy storage system based on track transport |
| 08/17/2011 | CN102157950A Damping control system optimization method based on damping ratios and phase relative sensitivity |
| 08/17/2011 | CN102157949A Small-signal stability prediction and decision support method |
| 08/17/2011 | CN102157948A Static var compensation device current detection method based on transient power balance |
| 08/17/2011 | CN102157947A Application of capacitor integrated online monitoring technology in high-voltage reactive power compensation device |
| 08/17/2011 | CN102157946A Stepper type trigger synchronous protection of combination switch and core unit thereof |
| 08/17/2011 | CN102157945A Individual compensation type low-voltage intelligent combined reactive power compensator |
| 08/17/2011 | CN102157944A Co-compensation type low-voltage intelligent combined reactive power compensator |
| 08/17/2011 | CN102157943A Method for stabilizing network side voltage of wind power generator unit |
| 08/17/2011 | CN102157942A Method for checking voltages |
| 08/17/2011 | CN102157941A Method for controlling sliding mode of simplified model based three-phase parallel connection type active power filter (APF) |
| 08/17/2011 | CN102157940A Device for eliminating voltage harmonics of power system |
| 08/17/2011 | CN102157939A Intelligent power-saving controller |
| 08/17/2011 | CN102157938A Method for online identifying lower-voltage stability nodes of power system |
| 08/17/2011 | CN102157937A Inverse system-based active and reactive power independent control method for microgrid |
| 08/17/2011 | CN102157936A Coordination control method |
| 08/17/2011 | CN102157935A Method for discriminating excitation of isolated net |
| 08/17/2011 | CN102157934A Method for uniformly controlling active power quality control devices |
| 08/17/2011 | CN102157933A Design method of stabilizer of power system |
| 08/17/2011 | CN102157932A Method for realizing transient stability domain visualization of power system |
| 08/17/2011 | CN102157931A Method and system for detecting conflict between blackout request and power protection request in power grid |
| 08/17/2011 | CN102157912A Multifunctional module based on intelligent contact alternating current single-phase switch |
| 08/17/2011 | CN102156815A Method for optimizing power generation plan in mode of tracing scheduling of annual electric quantity progress |
| 08/17/2011 | CN102156814A Clustering-based typical daily load curve selecting method and device |
| 08/17/2011 | CN102156783A Comprehensive assessment method for simulation accuracy of electrical power system |
| 08/17/2011 | CN102155356A Method for controlling running of wind generating set based on speed-regulating front end of electromagnetic coupler |
| 08/17/2011 | CN102155352A Floating-type water wind power generating device |
| 08/17/2011 | CN101888088B Optimal configuration method of hadal large-scale semi-submersible drilling platform power distribution system |
| 08/17/2011 | CN101673964B Modular UPS integrated power distribution system |
| 08/17/2011 | CN101667736B Three-stage brushless micro gas turbine electricity generation grid-connecting device and grid connecting method |
| 08/17/2011 | CN101630844B Novel subsynchronous oscillation damping controller |
| 08/17/2011 | CN101615791B Subsynchronous damping control system for effectively inhibiting subsynchronous resonance and oscillation |
| 08/17/2011 | CN101571563B Integrative electric energy quality monitoring terminal |
| 08/17/2011 | CN101446605B Low-frequency oscillation monitoring method for power system |
| 08/17/2011 | CN101325337B Method for prewarning safety of electric network operation fourth-order gradient |
| 08/16/2011 | US7999511 Battery charger |
| 08/16/2011 | US7999413 Power supply control circuit |
| 08/16/2011 | US7999409 Power conditioner and method of managing the same |
| 08/12/2011 | CA2809137A1 Controlling power supply to vehicles through a series of electrical outlets |
| 08/12/2011 | CA2693569A1 Controlling power supply to vehicles through a series of electrical outlets |
| 08/11/2011 | WO2011097147A2 Anti-islanding for grid-tie inverter using covariance estimation and logic decision maker |
| 08/11/2011 | WO2011096441A1 Energy display system |
| 08/11/2011 | WO2011096429A1 Power demand-supply system |
| 08/11/2011 | WO2011095947A2 Method and system for facilitating design of a high voltage (hvdc) control system, an hvdc system and a method for optimising an hvdc system |
| 08/11/2011 | WO2011095876A2 Energy supply/demand control system |
| 08/11/2011 | WO2011039045A3 System to store and to transmit electrical power |
| 08/11/2011 | WO2011018703A3 Method and system for distributed power management |
| 08/11/2011 | WO2010085987A3 Adaptive voltage control for wind turbines |
| 08/11/2011 | WO2010029315A3 Systems, devices and methods for electricity provision, usage monitoring, analysis, and enabling improvements in efficiency |
| 08/11/2011 | WO2010022245A3 System and method for monitoring power damping compliance of a power generation unit |
| 08/11/2011 | DE102010007484A1 Controller for photovoltaic system for generating alternating current from solar energy, has control unit, multiple inputs corresponding to number of photovoltaic moduIes and measuring unit |
| 08/11/2011 | CA2788627A1 Detection of islanding for grid connected inverter |
| 08/10/2011 | EP2355325A2 Switching device with a boost converter and inverter switch with such a switching device |
| 08/10/2011 | EP2355296A1 Circuit for use with energy converter |
| 08/10/2011 | EP2355295A2 Charge regulator |
| 08/10/2011 | EP2355294A2 Adjustment of load profiles and/or supply profiles |
| 08/10/2011 | EP2355293A1 Power flow measurement and management |