| Patents for H02J 3 - Circuit arrangements for ac mains or ac distribution networks (38,663) |
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| 02/06/2013 | CN102074973B Hosting mode-based distributed power supply synchronizing method and device |
| 02/06/2013 | CN102064562B Active power optimization method for combined transmission of wind power and thermal power |
| 02/06/2013 | CN102003349B Large-scale wind power active power optimization method under limit state of wind power |
| 02/06/2013 | CN101984534B Multi-functional dynamic reactive power compensation device for micro-power grid and control method thereof |
| 02/06/2013 | CN101969200B Staggered single-cycle control complementary current generator and control method thereof |
| 02/06/2013 | CN101969199B Fault loss estimation method for risk assessment of transient power angle stability |
| 02/06/2013 | CN101836342B Electrical switchgear, particularly for connecting generators and thrusters in dynamically positioned vessels, and operation method thereof |
| 02/06/2013 | CN101828314B Secondary battery control apparatus and control method |
| 02/06/2013 | CN101630847B Low inductance interconnect device for a power capacitor component |
| 02/05/2013 | US8368373 Control circuit of power supply unit, power supply unit and control method thereof |
| 02/05/2013 | US8368337 HVAC equipment phase and voltage monitor and control |
| 02/05/2013 | US8368252 High- and low-power power supply with standby power saving features |
| 02/05/2013 | US8368251 Image forming apparatus, image forming method in image forming apparatus, and computer program product |
| 02/05/2013 | US8368246 Method and apparatus for resistive power distribution |
| 02/05/2013 | US8368245 Out-door unit with multiple ports |
| 02/01/2013 | DE202013000342U1 Energiewirtschaftliches Versorgungssystem Energy sector pension scheme |
| 01/31/2013 | WO2013015773A1 Supervisory control for scalable microgrid systems |
| 01/31/2013 | WO2013015374A1 Power supply system, distribution device, and power control device |
| 01/31/2013 | WO2013015256A1 Power management system and management method |
| 01/31/2013 | WO2013015225A1 Control device and power control method |
| 01/31/2013 | WO2013015192A1 Fault diagnosis method, grid-interconnected device, and control device |
| 01/31/2013 | WO2013015191A1 Startup control method, grid-connected device, and control device |
| 01/31/2013 | WO2013015097A1 Electricity storage system and system interconnection system using same |
| 01/31/2013 | WO2013014879A1 Power line communication device, solar power generation system, power line communication method, and power line communication program |
| 01/31/2013 | WO2013014795A1 Method for adjusting electric power in electric power system, and electric power adjustment device |
| 01/31/2013 | WO2013014220A1 System for producing and distributing electrical energy over an electrical network, and associated optimization method |
| 01/31/2013 | WO2013013858A1 An apparatus for controlling the electric power transmission in a hvdc power transmission system |
| 01/31/2013 | WO2013013656A2 Method for adaptively controlling the supply voltage in local distribution systems |
| 01/31/2013 | WO2013013282A1 Switching apparatus, control system and method for varying an impedance of a phase line |
| 01/31/2013 | WO2013013267A1 Power apparatus |
| 01/31/2013 | WO2012171532A3 Selective droop response control for a wind turbine power plant |
| 01/31/2013 | WO2012164374A3 Modular electrical energy production device |
| 01/31/2013 | WO2012069453A3 Energy supply network for an aircraft or spacecraft, method for supplying electrical loads with energy, and aircraft or spacecraft |
| 01/31/2013 | WO2012065199A3 Apparatus and method for controlling electrical loads |
| 01/31/2013 | US20130026844 Photovoltaic generation system, power conversion device, and collector box |
| 01/31/2013 | US20130026820 Antenna apparatus and wireless communication apparatus |
| 01/31/2013 | CA2842050A1 Power apparatus |
| 01/31/2013 | CA2839658A1 Switching apparatus, control system and method for varying an impedance of a phase line |
| 01/30/2013 | EP2551987A1 Charging control apparatus, charging system, and charging control method |
| 01/30/2013 | EP2551986A1 Maximum power point tracking for power conversion system and method thereof |
| 01/30/2013 | EP2551985A2 System and method for power curtailment in a power network |
| 01/30/2013 | EP2551984A2 Power plant control system and method for influencing high voltage characteristics |
| 01/30/2013 | EP2551683A1 Data transmission device |
| 01/30/2013 | EP2551515A1 Method and arrangement for operating a wind farm within voltage limit |
| 01/30/2013 | EP2550719A2 Solar inverter for an extended insolation value range and operating method |
| 01/30/2013 | CN202713194U Photovoltaic power generation system |
| 01/30/2013 | CN202712950U Energy saving charger |
| 01/30/2013 | CN202712879U Load fine-tuning secondary distribution system of thermal power plant peak-shaving unit |
| 01/30/2013 | CN202712878U Modularized design based low voltage ride through device of wind power generation converter |
| 01/30/2013 | CN202712877U Three-phase photovoltaic grid-connected power generation system |
| 01/30/2013 | CN202712876U Solar photovoltaic microgrid grid-connected power generation system |
| 01/30/2013 | CN202712875U Distributed photovoltaic grid-connected power generation system |
| 01/30/2013 | CN202712874U Grid-connected type photovoltaic power generation system |
| 01/30/2013 | CN202712873U 智能型家用太阳能控制逆变器 Smart home solar inverter control |
| 01/30/2013 | CN202712872U Grid-connected inverter and backflow prevention and reactive compensation controller and system |
| 01/30/2013 | CN202712871U Integrated alternating current grid-connected solar power generation system |
| 01/30/2013 | CN202712870U Relay device, inverter and power generation system with same |
| 01/30/2013 | CN202712869U Energy storage apparatus for power grid |
| 01/30/2013 | CN202712868U Power distribution room voltage control device |
| 01/30/2013 | CN202712867U Intelligent filtering type low voltage reactive power compensation device |
| 01/30/2013 | CN202712866U Energy-saving motor reactive compensation starting cabinet |
| 01/30/2013 | CN202712865U Integrated power supply circuit with reactive power compensation characteristic |
| 01/30/2013 | CN202712864U Capacitor cabinet used for coreless intermediate-frequency induction furnace |
| 01/30/2013 | CN202712863U Capacitor |
| 01/30/2013 | CN202712862U Capacitor |
| 01/30/2013 | CN202712861U Circuit for improving transformer low-load operation power factor |
| 01/30/2013 | CN202712860U Reactive capacitance power factor compensation device |
| 01/30/2013 | CN202712859U Voltage-adjusting combination type reactive line voltage management device |
| 01/30/2013 | CN202712858U Magnetic control combination type line voltage reactive management device |
| 01/30/2013 | CN202712857U Vertical low-voltage reactive power compensation device |
| 01/30/2013 | CN202712856U Power load self-adaptive intelligent power saving device |
| 01/30/2013 | CN202712855U Spare power automatic switching load equalizing device for 20kV and 10kV hybrid power supply region |
| 01/30/2013 | CN202712854U Wide-voltage-range harmonic interference resistant LED mining lamp |
| 01/30/2013 | CN202712853U New type high-voltage filter compensation device |
| 01/30/2013 | CN202712852U Distributed energy generating access line |
| 01/30/2013 | CN202712851U Universal electric energy quality controller |
| 01/30/2013 | CN202712850U Network reconfiguration technology of power supply and distribution network based on multiple generator sets |
| 01/30/2013 | CN202712800U Adjustable tuned filter direct-current ice-melting device |
| 01/30/2013 | CN202712783U Three-in-one distribution system suitable for low voltage distribution network |
| 01/30/2013 | CN202711902U Pre-magnetizing device for power supply main transformer of power line |
| 01/30/2013 | CN202710995U Ferroalloy electric furnace low-voltage reactive compensation device having intelligent control and alarm voice dialogue terminal |
| 01/30/2013 | CN202707353U Wave energy and offshore wind power united power generation system |
| 01/30/2013 | CN102906984A Hybrid 2-level and multilevel HVDC converter |
| 01/30/2013 | CN102906957A System and method for sequential application of power to electrical loads |
| 01/30/2013 | CN102904485A Electric energy quality serial compensator based on solar photovoltaic power generation |
| 01/30/2013 | CN102904408A Pole-changing and speed-changing wind power generation system of synchronous motor |
| 01/30/2013 | CN102904289A Island new energy system optimal capacity allocation method based on drosophila optimization algorithm |
| 01/30/2013 | CN102904288A Steady-state operation strategy for wind and light contained diesel storage isolated microgrid |
| 01/30/2013 | CN102904287A Coordination control method for flexible alternate current transmission system (FACTS) devices of new energy delivery system |
| 01/30/2013 | CN102904286A Grid-connected inverter and control method thereof |
| 01/30/2013 | CN102904285A Energy-saving type single-phase photovoltaic power generation system and control method thereof |
| 01/30/2013 | CN102904284A Energy-saving triphase wind power generation system and control method thereof |
| 01/30/2013 | CN102904283A Energy-saving single-phase wind power generation system and control method thereof |
| 01/30/2013 | CN102904282A Micro-grid combination control method based on inverter in energy storage unit |
| 01/30/2013 | CN102904281A Micro-grid system for ships |
| 01/30/2013 | CN102904280A Device and method for traversing grid fault by double-fed wind power converter |
| 01/30/2013 | CN102904279A 逆变器电路拓扑及其控制方法 The inverter circuit topology and control method |
| 01/30/2013 | CN102904278A Distribution type grid connection photovoltaic system power supply |
| 01/30/2013 | CN102904277A Structure utilizing resonance links to deploy direct-current transmission main circuit |
| 01/30/2013 | CN102904276A Resonance voltage boosting and reducing device used for new energy grid connection and implementation method thereof |