| Patents for H02J 3 - Circuit arrangements for ac mains or ac distribution networks (38,663) |
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| 05/01/2013 | CN202917986U High voltage capacitor reactive compensation installation apparatus |
| 05/01/2013 | CN202917985U Single pole side-mounted high-voltage line reactive power compensation device |
| 05/01/2013 | CN202917984U Wide-voltage high capacity hybrid reactive power compensator |
| 05/01/2013 | CN202917983U Wind turbine generator reactive adjusting system based on wind power plant AQC |
| 05/01/2013 | CN202917982U Reactive power compensator |
| 05/01/2013 | CN202917981U Stationary synchronous compensator compensating circuit |
| 05/01/2013 | CN202917980U Dynamic reactive compensation open loop control device |
| 05/01/2013 | CN202917979U Chained-mode SVG control device |
| 05/01/2013 | CN202917978U STATCOM var generator based on constant voltage control strategy |
| 05/01/2013 | CN202917971U Transient surge suppressor with EMI function |
| 05/01/2013 | CN202917960U Chained-type SVG control device adopting redundancy control |
| 05/01/2013 | CN202917868U Heat radiation system of active electric power filtering device suitable for bus type installation |
| 05/01/2013 | CN103081335A Hybrid HVDC converter |
| 05/01/2013 | CN103081290A Regulation of contribution of secondary energy sources to power grid |
| 05/01/2013 | CN103081280A 电源系统 Power Systems |
| 05/01/2013 | CN103081274A Detecting islanding conditions in power networks |
| 05/01/2013 | CN103081273A 风力涡轮机 Wind turbine |
| 05/01/2013 | CN103081272A An apparatus and method for controlling power |
| 05/01/2013 | CN103081271A Method for switching to a more favorable consumption tariff for a domestic appliance, and domestic appliance suitable for said method |
| 05/01/2013 | CN103081268A 接地装置 Grounding device |
| 05/01/2013 | CN103078545A Control circuit for stand-alone /grid-connected dual-mode inverter and switching technology thereof |
| 05/01/2013 | CN103078535A Methods and systems for operating a power conversion system |
| 05/01/2013 | CN103078361A Centralized transit system for uniform distribution of power storage batteries of electric automobile |
| 05/01/2013 | CN103078353A Power supply configuration method involving wind power fluctuation |
| 05/01/2013 | CN103078352A Method for measuring wind fire bundling configuration proportion on basis of power circle |
| 05/01/2013 | CN103078351A Micro grid frequency dividing energy management method |
| 05/01/2013 | CN103078350A RC (Resistance-capacitance) type rotor crowbar |
| 05/01/2013 | CN103078349A Double-fed wind driven generator system and low-voltage through control method |
| 05/01/2013 | CN103078348A No-signal interconnection line parallel-connection three-phase inverter and control method thereof |
| 05/01/2013 | CN103078347A Impact load bearing method for reducing voltage limit risk |
| 05/01/2013 | CN103078346A Wind power generation system on basis of open winding derating structure and control method thereof |
| 05/01/2013 | CN103078345A Photovoltaic grid-connected inverter for preventing inverse power output |
| 05/01/2013 | CN103078344A Method for improving double-fed converter low voltage ride through performance |
| 05/01/2013 | CN103078343A Evaluation method for impact of wind power integration on power grid transient state as well as medium and long term reliability |
| 05/01/2013 | CN103078342A System for improved wind turbine generator performance |
| 05/01/2013 | CN103078341A DFIG (Doubly Fed Induction Generator) based direct current grid-connection generating system and control method thereof |
| 05/01/2013 | CN103078340A Mixed energy storing capacity optimization method for optimizing micro-grid call wire power |
| 05/01/2013 | CN103078339A Low-voltage ride through control system and method for capacity-optimal energy-storage type double-fed motor |
| 05/01/2013 | CN103078338A Energy storage system configuration method for improving utilization level of wind energy of wind power plant |
| 05/01/2013 | CN103078337A Control system for reducing voltage unbalancedness of direct current bus series capacitor of energy storage system bidirectional converter |
| 05/01/2013 | CN103078336A Method for identifying discrete time model of thyristor control reactor (TCR)-type reactive compensation device |
| 05/01/2013 | CN103078335A Method for identifying model of thyristor control reactor (TCR)-type reactive compensation device |
| 05/01/2013 | CN103078334A Method for directly identifying continuous time model of thyristor control reactor (TCR)-type reactive compensation device |
| 05/01/2013 | CN103078333A LVRT (Low Voltage Ride Through) method for wind power station |
| 05/01/2013 | CN103078332A Transformer inductive reactive power stepped control device and method |
| 05/01/2013 | CN103078331A Device and method for switching stepped capacitor group |
| 05/01/2013 | CN103078330A Relationship-based voltage monitoring index method for providing boosting voltage regulating-controlling strategy |
| 05/01/2013 | CN103078329A Output reactive compensation analysis method for long-distance 200kV submarine cable of offshore wind plant |
| 05/01/2013 | CN103078328A Automatic voltage control method for unified hierarchical coordination of power grid |
| 05/01/2013 | CN103078327A Power load control method and system |
| 05/01/2013 | CN103078326A Optimization method for improving safety and stability of grid frequency |
| 05/01/2013 | CN103078325A Alternating current and direct current mixed micro power grid system and control method thereof |
| 05/01/2013 | CN103078324A Active filter current self-adaptive control method based on fuzzy PI composite control |
| 05/01/2013 | CN103078323A Step control system for short net unbalance caused by electric furnace electrode collapse |
| 05/01/2013 | CN103078322A Harmonic controller for energy-storing system of wind-power plant and parameter-setting method thereof |
| 05/01/2013 | CN103078321A Method for designing LCL (Logical Connection Layer) filter by uniformly controlling photovoltaic grid connection and active power filtering |
| 05/01/2013 | CN103078320A Method for treating high-voltage harmonic source |
| 05/01/2013 | CN103078319A Real-time plan balancing capability evaluation method and real-time plan balancing capability evaluation system for power grids |
| 05/01/2013 | CN103078318A Overvoltage improvement method on basis of historical data of overhead power transmission line |
| 05/01/2013 | CN103078317A Control method for controlled wind power plant of wide area wind power control system |
| 05/01/2013 | CN103078316A Network voltage disturbance generating device and control method thereof |
| 05/01/2013 | CN103078315A Single-phase and three-phase combined in-phase power supply and transformation device |
| 05/01/2013 | CN103078314A Method and system for dynamically calculating line loss of 10KV line for layered power-distributing network |
| 05/01/2013 | CN103078313A Method for inhibiting induction voltage and current of 750kV parallel single-line construction line |
| 05/01/2013 | CN103078307A Lightning-protected switch-signal indicating rectifier |
| 05/01/2013 | CN103078287A Direct-current high-current ice-melting device with STATCOM function |
| 05/01/2013 | CN103078255A Power supply system and integrated type power supply cabinet system of intelligent building |
| 05/01/2013 | CN103077804A Multilevel orthogonal magnetic saturation-type controlled reactor |
| 05/01/2013 | CN103076745A Simulation method for wind turbine generator model in conventional power system simulation software |
| 05/01/2013 | CN102322401B Novel direct drive type permanent magnet wind generating set |
| 05/01/2013 | CN102299527B Wind power station reactive power control method and system |
| 05/01/2013 | CN102299521B Chaotic control method based on feedback linearization theory |
| 05/01/2013 | CN102270309B Short-term electric load prediction method based on ensemble learning |
| 05/01/2013 | CN102185338B Steam on-grid control system |
| 05/01/2013 | CN102185311B Method for constructing distributed dynamic power flow computing system for energy management of electric power system |
| 05/01/2013 | CN102163844B Method for detecting state of power system based on phasor measurement unit (PMU) |
| 05/01/2013 | CN102157950B Damping control system optimization method based on damping ratios and phase relative sensitivity |
| 05/01/2013 | CN102130457B Harmonic current counteracting module |
| 05/01/2013 | CN102097812B Wind generating set and reactive power control method thereof |
| 05/01/2013 | CN102074956B Power grid risk management method and system |
| 05/01/2013 | CN102025152B Electric energy quality evaluation method of electrified railway accessed power system |
| 05/01/2013 | CN101964534B Fan transformation method for realizing low voltage ride through of doubly-fed wind turbine |
| 05/01/2013 | CN101958653B Current-type multi-level converter system for wind power integration |
| 05/01/2013 | CN101924364B Method for estimating nonlinear state of substation-dispatching center two-stage distributed power grid |
| 05/01/2013 | CN101794977B Long-distance transmission line deicing method and device |
| 05/01/2013 | CN101783511B Two-control three-precharge phase-control switch circuit of switched capacitor bank |
| 04/30/2013 | US8432712 Single switch high efficiency power supply |
| 04/30/2013 | US8432065 Power system having dual synchronization |
| 04/30/2013 | US8432063 Multi-channel power controller with switching offset |
| 04/30/2013 | US8432061 Digital frequency divider |
| 04/25/2013 | WO2013058763A1 Adaptive load sharing of parallel inverters system |
| 04/25/2013 | WO2013057847A1 Ship |
| 04/25/2013 | WO2013057154A1 Electric power system for electric devices |
| 04/25/2013 | WO2013057028A1 Method and apparatus for feeding electrical current into an electrical power supply system |
| 04/25/2013 | WO2013056654A1 Two tcr branches in parallel based controllable series-compensated device and contol method thereof |
| 04/25/2013 | WO2013056325A1 Integration system and method for regulating and operating in parallel different high-voltage sources |
| 04/25/2013 | WO2013024090A3 Operation of an illuminant at an autonomous energy store |
| 04/25/2013 | WO2013013162A3 Identification of electrical grid phase information for end-points in a grid network |
| 04/25/2013 | WO2012126855A3 Centralized management of the supply of power to a plurality of local power networks |
| 04/25/2013 | WO2012104651A3 Improvements in and relating to power regulation devices |