| Patents for H02J 3 - Circuit arrangements for ac mains or ac distribution networks (38,663) |
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| 02/29/2012 | CN101710713B Method for direct power control of fixed switching frequency of network-based doubly-fed induction generator |
| 02/29/2012 | CN101697419B Integrated controlled system and integrated controlled method for dynamic reactive power compensation based on touch screen, PLC and DSP |
| 02/29/2012 | CN101552472B Active electric power filter |
| 02/28/2012 | US8125162 Current mirror circuit |
| 02/26/2012 | CA2724601A1 Wind turbine generator and output power control method |
| 02/23/2012 | WO2012023564A1 Management device, method of management, computer program, management system, and management method |
| 02/23/2012 | WO2012023209A1 Grounding device |
| 02/23/2012 | WO2012022374A2 Method for configuring a power automation appliance in an electric power automation installation, and configuration computer for carrying out the method |
| 02/23/2012 | WO2012022353A2 Method of controlling a grid side converter of a wind turbine and system suitable therefore |
| 02/23/2012 | WO2011141416A3 Switching device |
| 02/23/2012 | WO2011120523A3 Method of operating a wind turbine, wind turbine, wind turbine controlling system, and processing system |
| 02/23/2012 | WO2011102777A8 Current control device, a charging station, and a method therefor |
| 02/23/2012 | WO2011098873A3 A method and system for power management in substations |
| 02/23/2012 | US20120046797 Peak load optimization using communicating hvac systems |
| 02/23/2012 | US20120043926 Power Management Device, Power Management Method and Portable Electronic Device |
| 02/23/2012 | US20120043819 Power storage system, method of controlling the same, and computer readable recording medium storing a program for executing the method |
| 02/23/2012 | US20120043817 Drive system for a facility having an alternating-current isolated network |
| 02/23/2012 | US20120043813 Power control apparatus and method |
| 02/23/2012 | DE102010035049A1 Method for operating memory device e.g. rechargeable accumulator used in hospital, involves lowering charge level of memory device during electrical power availability of electric power supply network over period of time |
| 02/23/2012 | DE102010034905A1 High-voltage electric energy supply devices e.g. sea-side converter stations, for use in high-voltage direct current power transmission system, have two three-phase transformers connected in parallel with each other |
| 02/23/2012 | DE102009015603B4 Landanschluss für Schiffe mit einem Gelenkkran Shore supply vessels with an articulated crane |
| 02/22/2012 | EP2421111A2 Grid-connected power conversion circuitry and power conversion method thereof |
| 02/22/2012 | EP2420020A2 System and method of monitoring and optimizing power quality in a network |
| 02/22/2012 | EP2419984A1 A method for supplying outside energy to an onboard electrical power network of a ship, a ship with such an outside energy supply |
| 02/22/2012 | EP2419983A1 Method and apparatus for automatic network stabilization in electric power supply systems using at least one converter |
| 02/22/2012 | EP2419982A1 Adaptation of an active power supply set using an event trigger |
| 02/22/2012 | CN202150819U Voltage regulating and compensating soft-start device of reactor of high-voltage AC motor |
| 02/22/2012 | CN202150801U Chopper for reactive power compensator |
| 02/22/2012 | CN202150739U A household energy storage device composed of a super capacitor and a power cell |
| 02/22/2012 | CN202150738U Remote monitoring system for reactive power compensator |
| 02/22/2012 | CN202150707U 高效智能风力发电机并网系统 Intelligent and efficient wind turbines and grid system |
| 02/22/2012 | CN202150706U Three-phase load early warning and rapidly adjusting apparatus |
| 02/22/2012 | CN202150705U Thyristor voltage adjusting transformer station automatic reactive compensation device for adjusting reactive capacity |
| 02/22/2012 | CN202150704U Construction power distribution device with energy saving and electric leakage fire hazard early warning functions |
| 02/22/2012 | CN202150703U Low pressure draw-out type reactive power compensator |
| 02/22/2012 | CN202150702U Modular drawer type parallel reactive power compensator based on plugging technique |
| 02/22/2012 | CN202150701U Reactive compensation control system |
| 02/22/2012 | CN202150700U Reactive power compensation device |
| 02/22/2012 | CN202150699U Connection structure between net sheet and support column for cutting off hollow reactor fence magnetic circuit |
| 02/22/2012 | CN202150698U Circuit structure of reactive power compensator |
| 02/22/2012 | CN202150697U STATCOM controlling device based on hybrid?chaotic sequence generator |
| 02/22/2012 | CN202150696U Intelligent power divider |
| 02/22/2012 | CN202150326U Novel electric stove transformer with compensation terminals |
| 02/22/2012 | CN102362426A 感应电动机控制装置及感应电动机组控制系统 Induction motor control device and an induction motor Control System |
| 02/22/2012 | CN102362406A Inductive power transfer apparatus |
| 02/22/2012 | CN102361427A Variable speed constant frequency control method after grid connection of wind driven generator set |
| 02/22/2012 | CN102361334A Photovoltaic energy storage electric automobile charging station system and method for switching state of energy storage system |
| 02/22/2012 | CN102361330A Active power optimizing and distributing method for wind generator unit of wind power station |
| 02/22/2012 | CN102361329A Modeling method for performing dynamic characteristic research on hybrid alternating current/direct current (AC/DC) transmission system |
| 02/22/2012 | CN102361328A Wind and light complement distributed micro-grid system for comprehensively utilizing commercial power |
| 02/22/2012 | CN102361327A Battery energy storage system peaking cutting and valley filling method with consideration of battery service life |
| 02/22/2012 | CN102361326A Negative-sequence governing device and method for test wire of motor train unit |
| 02/22/2012 | CN102361325A Bus reactive power optimization compensation controller |
| 02/22/2012 | CN102361324A Method for regulating terminal voltage by reactive power support of double-fed wind generator unit and system thereof |
| 02/22/2012 | CN102361323A Microgrid experiment system based on Agent technology |
| 02/22/2012 | CN102360857A Integrated network distributing transformer with error compensating mutual inductor |
| 02/22/2012 | CN101820173B 电力电容器同步投切开关 Power Capacitor synchronous switching switch |
| 02/22/2012 | CN101702524B 基于最优化模型的发电机、负荷调节控制方法 Based on the optimization model generator, load regulation and control method |
| 02/22/2012 | CN101587487B 一种电网图形动态分布索引的实现方法 One kind of dynamic graphical distribution grid implementations index |
| 02/22/2012 | CN101552470B 一种基于相位变化量抑制次同步谐振的方法 A sub-synchronous resonance suppression method based on the amount of phase change |
| 02/21/2012 | US8120321 Device for improving the charging or discharging process of a battery |
| 02/21/2012 | US8120312 Power management topologies to control power between a DC power source and one or more batteries to a system load |
| 02/21/2012 | US8120206 Method of detecting a sustained parallel source condition |
| 02/21/2012 | US8120203 Intelligent management of current sharing group |
| 02/21/2012 | US8120202 Electric power transmission system for wind turbine and wind turbine farm and method for operating same |
| 02/16/2012 | WO2012021759A2 Parallel redundant power distribution |
| 02/16/2012 | WO2012020756A1 Power control apparatus |
| 02/16/2012 | WO2012020575A1 Lead storage battery and lead storage battery system for system utilising natural energy |
| 02/16/2012 | WO2012019837A2 Method for computer-aided control of the electrical power consumption of a plurality of power consumers in an electrical power grid |
| 02/16/2012 | WO2012019613A1 Wind-power production with reduced power fluctuations |
| 02/16/2012 | WO2011163569A3 Virtual smart energy meter with integrated plug |
| 02/16/2012 | WO2011157488A3 Device for grid voltage symmetrization |
| 02/16/2012 | WO2011153063A3 Power distribution system having priority load control |
| 02/16/2012 | US20120039099 Power conditioning unit |
| 02/16/2012 | US20120038223 Power supply system and fixed and movable body therefor |
| 02/16/2012 | US20120038221 Electronic correction unit |
| 02/16/2012 | US20120038210 Apparatus and method for electric floating storage and offloading |
| 02/16/2012 | DE102010034120A1 Method for converting electric current, produced by electrical generator system of wind turbine, into current feeding into electrical supply network, involves implementing conversion of partial currents if power exceeds power threshold |
| 02/16/2012 | CA2807996A1 Parallel redundant power distribution |
| 02/15/2012 | EP2418754A2 Power-fluctuation reducing apparatus for power generation system |
| 02/15/2012 | EP2418749A1 Power device and power control system |
| 02/15/2012 | EP2417685A1 Dc voltage compensation in a multi-terminal hvdc power transmission network |
| 02/15/2012 | EP2417684A1 Power flow control in a meshed hvdc power transmission network |
| 02/15/2012 | EP2417683A1 An arrangement for exchanging power |
| 02/15/2012 | EP2417682A1 An arrangement for exchanging power |
| 02/15/2012 | EP2417681A2 Energy supply in an electric network |
| 02/15/2012 | EP2141795B1 Wind turbine with parallel converters utilizing a plurality of isolated generator windings |
| 02/15/2012 | CN202145573U 一种多用途自适应太阳能逆变器的构造 A multipurpose solar inverter adaptive structure |
| 02/15/2012 | CN202145572U Turn adjusting controllable reactor |
| 02/15/2012 | CN202145571U Single phase voltage boosting apparatus with one-input more-output throw in/off switch |
| 02/15/2012 | CN202145570U Phase current balancing device of line current asymmetric compensation of D-STATCOM |
| 02/15/2012 | CN102356529A An electric correction unit |
| 02/15/2012 | CN102355192A Control method of reactive power of doubly fed wind power generator |
| 02/15/2012 | CN102355151A Multi-functional grid-connected inverter and grid-connected inverter control method |
| 02/15/2012 | CN102355142A Simplified efficient three-phase AC (alternating current)-DC (direct current)-AC converter adaptive to intermediate and small power occasions |
| 02/15/2012 | CN102355140A Concatenated multilevel inverter circuit capable of realizing energy feedback and control method |
| 02/15/2012 | CN102355057A Computer monitoring method for microgrid system |
| 02/15/2012 | CN102355023A Light-storage type EV (electric vehicle) charging and converting station |
| 02/15/2012 | CN102355010A Method for synchronously identifying parameters of multiple generators |
| 02/15/2012 | CN102355009A Method by utilizing doubly-fed generator to realize high-voltage ride through of wind power generating set and system thereof |