Patents for H02J 3 - Circuit arrangements for ac mains or ac distribution networks (38,663) |
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01/05/2011 | CN201699429U Water wind and light complementation interconnected power generating system |
01/05/2011 | CN201699428U Wind energy converter grid-connection cabinet |
01/05/2011 | CN201699427U Current compensation type AC voltage stabilizer |
01/05/2011 | CN201699426U Self-healing type low-voltage reactive power compensating capacitor with parallel linkage protection device |
01/05/2011 | CN201699425U Power factor controller |
01/05/2011 | CN201699424U Universal static type energy-saving compensation device |
01/05/2011 | CN201699423U Three-phase power voltage stabilizer with three-phase simultaneous output function and three-single-phase independent output function |
01/05/2011 | CN201699422U Output circuit for three-phase power voltage stabilizer |
01/05/2011 | CN201699421U Electricity-saving protector |
01/05/2011 | CN201699420U Repetitive controller with specific times |
01/05/2011 | CN201699419U Broadband wave trapper used for online monitoring of power transformer |
01/05/2011 | CN201699418U Novel parallelly-connected active filter |
01/05/2011 | CN201699417U AC input side electric power filter |
01/05/2011 | CN201699416U Megawatt wind power storage battery combination independent power supply system |
01/05/2011 | CN201699415U Photoelectric network |
01/05/2011 | CN201699403U Protective device for releasing inverse power of ship hoisting equipment |
01/05/2011 | CN201697962U Integrated intelligent testing and controlling module |
01/05/2011 | CN201694723U Electricity economizer for intelligent handrail elevator |
01/05/2011 | CN101939891A System and methods for scheduling power usage |
01/05/2011 | CN101938230A Wave vibration piezoelectric power generation and solar energy combined power generating method and system |
01/05/2011 | CN101938142A Desert synchronization photovoltaic power generating system with solar azimuth tracking device and tracking method thereof |
01/05/2011 | CN101938141A Method for evaluating and optimizing auto generation control effect of large power network grid-connected power plant |
01/05/2011 | CN101938140A 分布式电源系统 Distributed Power Systems |
01/05/2011 | CN101938139A Variable frequency transformer having multiple horizontal rotary transformers and method thereof |
01/05/2011 | CN101938138A Power management during grid faults |
01/05/2011 | CN101938137A Wind farm and method for regulating a wind farm |
01/05/2011 | CN101938136A Photovoltaic component DC grid-connection controller |
01/05/2011 | CN101938135A Calculation method for reactive-power distribution of nonlinear generator set |
01/05/2011 | CN101938134A Automatic capacitance-adjusting capacitor device |
01/05/2011 | CN101938133A Reverse blocking type IGBT (Insulated Gate Bipolar Translator) based compensating method of PWM (Pulse-Width Modulation) control capacitance type SVC (Static Var Compensator) |
01/05/2011 | CN101938132A Dynamic filter compensation device |
01/05/2011 | CN101938131A Electric principle-based wind power plant cluster reactive power sharing method |
01/05/2011 | CN101938130A High voltage filter and dynamic reactive power compensation control system combining PPF with TSC and control method thereof |
01/05/2011 | CN101938129A Harmonic suppression device |
01/05/2011 | CN101938128A General power-saving device |
01/05/2011 | CN101938127A Single-phase and three-phase dual buck full-bridge parallel active power filter |
01/05/2011 | CN101938126A Dual-buck half-bridge parallel active power filter based on hysteresis control |
01/05/2011 | CN101938125A Network for dynamically suppressing power frequency interference of power transmission line |
01/05/2011 | CN101938124A Matrix analysis method of power system network topology |
01/05/2011 | CN101937543A Electric energy evaluation system and method |
01/05/2011 | CN101937490A Planning electric network loss analyzing and computing method |
01/05/2011 | CN101937435A Online synchronized method of distributed real-time database confronting power system |
01/05/2011 | CN101572415B Method for controlling series voltage quality compensator |
01/05/2011 | CN101483343B Method for identifying synthetic load equal value motor by asymmetric operation and frequency offset information |
01/05/2011 | CN101242103B Intelligent optimization method for power system stabilizer parameter |
01/05/2011 | CN101222140B Forecast accident power system voltage stabilization fast on-line analyzing and preventing control method |
01/04/2011 | US7865272 Method and apparatus for preventing overloads of power distribution networks |
01/04/2011 | US7863859 Contactless battery charging apparel |
01/04/2011 | US7863774 Multi-output power supply |
01/04/2011 | US7863772 Balancing current drawn from multiple power supply inputs using multiple-input inductors |
01/04/2011 | CA2605318C Apparatus and method for reducing neutral line current using load switching method |
01/04/2011 | CA2572682C Power flow controller responsive to power circulation demand for optimizing power transfer |
12/30/2010 | US20100327813 Power management topologies |
12/30/2010 | US20100327793 Power transmission method and power transmission apparatus |
12/30/2010 | US20100327666 Power converter for use with wind generator |
12/30/2010 | US20100327659 System and method for over-voltage protection of a photovoltaic system with distributed maximum power point tracking |
12/30/2010 | US20100327657 System and method for utility pole distributed solar power generation |
12/30/2010 | US20100327655 Power supply apparatus |
12/29/2010 | WO2010151835A2 Power distribution apparatus with input and output power sensing and method of use |
12/29/2010 | WO2010151261A1 Systems and methods for delivering power |
12/29/2010 | WO2010150667A1 Battery control apparatus and battery control method |
12/29/2010 | WO2010150484A1 Cooking device, control method and programme for same |
12/29/2010 | WO2010150168A1 Power distribution apparatus |
12/29/2010 | WO2010150059A1 Load scheduling optimization in distributed system |
12/29/2010 | WO2010149590A2 Method of controlling a network computing cluster providing it-services |
12/29/2010 | WO2010148481A1 High energy density flywheel |
12/29/2010 | EP2267860A2 Start-up source for inverter for synchonisation with the electric grid |
12/29/2010 | EP2267859A2 Control system for a power converter and method of controlling operation of a power converter |
12/29/2010 | EP2267858A1 Method of controlling a network computing cluster providing IT-services |
12/29/2010 | EP2266178A1 Wind energy system having a connection protection device |
12/29/2010 | EP1888365B1 Electric power supply system |
12/29/2010 | CN201690412U Ceaseless intelligent power-saving device |
12/29/2010 | CN201690241U Interconnection power generating system by using wind energy and solar energy at sea level |
12/29/2010 | CN201690240U Grid-connected wind-solar complementary control inverter |
12/29/2010 | CN201690239U Precision program-controlled high-current injector for super-high-voltage power transmission and transformation system |
12/29/2010 | CN201690238U Low-voltage reactive compensation device of submerged arc furnace |
12/29/2010 | CN201690237U Thyristor power regulator |
12/29/2010 | CN201690236U Solid-state combination switch device |
12/29/2010 | CN201690235U Electric structure of automatic switching solid combination switch |
12/29/2010 | CN201690234U Device capable of self-adapting and controlling voltage reference value |
12/29/2010 | CN201690233U Low-voltage electric network three-phase four-wire system power supply intelligent switch device |
12/29/2010 | CN201688475U Control circuit of microwave oven |
12/29/2010 | CN201687357U Door device of low-pressure reactive power compensation device |
12/29/2010 | CN101933211A Method for operating a wind turbine |
12/29/2010 | CN101931276A LC (Inductor-Capacitor) resonance energy-saving electromotor |
12/29/2010 | CN101931241A Wind farm grid-connected coordination control method |
12/29/2010 | CN101931240A Double-PWM vector control double-fed wind power converter |
12/29/2010 | CN101931239A Box-type transformation unit comprising bus connecting devices |
12/29/2010 | CN101931238A Master-slave strategy-based microgrid system coordination control method |
12/29/2010 | CN101931237A Method for appraising voltage reactive configuring and running status of high-voltage electric distribution network |
12/29/2010 | CN101931236A Power regulation device based on controlled silicon |
12/29/2010 | CN101931235A Low-power full-intelligent in-situ reactive power compensation device |
12/29/2010 | CN101931234A Dynamic harmonic suppression power-saving device |
12/29/2010 | CN101931233A Series filter and low harmonic rectifier |
12/29/2010 | CN101931232A Access method of rural power and power grid |
12/29/2010 | CN101931231A Inter-bay substation automation application |
12/29/2010 | CN101930481A Method used for generating CIM model describing power grid change in designated time slot and system thereof |
12/29/2010 | CN101929439A Current control in a wind park |
12/29/2010 | CN101594002B Self-healing control method for operation of urban distribution network |
12/29/2010 | CN101577427B Detection control method of self-adapting tuning passive power filter |