| Patents for H02J 3 - Circuit arrangements for ac mains or ac distribution networks (38,663) |
|---|
| 07/13/2011 | CN201898337U Special low-voltage reactive compensation device for submerged arc furnace |
| 07/13/2011 | CN201898336U Double-tuning filter based on flat wave resistors |
| 07/13/2011 | CN201898335U Manual/automatic ladder type redundant capacitor compensation device |
| 07/13/2011 | CN201898334U Harmonic wave management device for one frequency converter connected with multiple motors |
| 07/13/2011 | CN201898333U High-performance band-pass filter circuit |
| 07/13/2011 | CN201898332U Energy system with extended adjusting range |
| 07/13/2011 | CN201897717U Portable parallelly connected power filter debug instrument |
| 07/13/2011 | CN102124623A Methods and systems for managing facility power and cooling |
| 07/13/2011 | CN102124219A System for control of wind power electricity generation accumulator and method of control thereof |
| 07/13/2011 | CN102122899A Zero-current through compensation method and device for grid-connected inverter |
| 07/13/2011 | CN102122869A Concentric double-stator structured direct-drive cage type induction generator system |
| 07/13/2011 | CN102122828A Method for controlling output power of photovoltaic inverter |
| 07/13/2011 | CN102122827A High voltage redundant converter for doubly fed induction generator (DFIG) and low voltage ride through control methods thereof |
| 07/13/2011 | CN102122826A Energy storage bidirectional current converter for high-capacity storage battery |
| 07/13/2011 | CN102122825A Temperature difference energy storage grid electricity peak shaving system |
| 07/13/2011 | CN102122824A Method and device for identifying low-frequency oscillation mode parameters of power system |
| 07/13/2011 | CN102122823A Method for positioning oscillation disturbance source in power system |
| 07/13/2011 | CN102122822A Method for reactively and comprehensively controlling voltage of transformer substation on the basis of previous working day and previous holiday |
| 07/13/2011 | CN102122821A Method for inhibiting power frequency voltage from being raised after switch-on of ultrahigh and extra-high voltage no-load line |
| 07/13/2011 | CN102122820A Cellular power supply network, intelligent gateway thereof and power supply control method |
| 07/13/2011 | CN102122819A On-load tap changer (OLTC) controller for microgrid |
| 07/13/2011 | CN102122818A Method for estimating power supply quality and automatic control state at side of generating set on line |
| 07/13/2011 | CN102122562A Dry type iron core reactor capable of realizing parallel capacitor grouping |
| 07/13/2011 | CN101630850B Through power network fault device and through power network fault method of double-fed induction generator |
| 07/13/2011 | CN101620899B Hanging anchoring mechanism of series compensation platform water pipe insulator |
| 07/13/2011 | CN101505061B Computation method capable of tracking Davinan equivalence parameter base on time domain simulation |
| 07/13/2011 | CN101501957B Power system and method for managing charging state in that power system |
| 07/13/2011 | CN101210941B Large power converter subsequent lockout overcurrent, subsequent power loss and overcurrent test method |
| 07/13/2011 | CN101051750B Voltage external fixed gradual control method for power autive filter |
| 07/12/2011 | US7979239 System and method for monitoring and managing electrical power transmission and distribution networks |
| 07/12/2011 | US7979166 Generation facility management system |
| 07/12/2011 | US7977818 Safety device for plug and play solar energy system |
| 07/12/2011 | US7977817 Method for pulse width modulated control of a plurality of load elements |
| 07/12/2011 | US7977816 DC/DC boost converter with bypass feature |
| 07/12/2011 | US7977815 Polyphase power distribution and monitoring apparatus |
| 07/07/2011 | WO2011080986A1 Control device, power use control system, and control method |
| 07/07/2011 | WO2011080813A1 Household electricity storage system |
| 07/07/2011 | WO2011080811A1 Wire housing apparatus, vehicle equipped with same, and power feeding device |
| 07/07/2011 | WO2011080810A1 Household electricity storage system |
| 07/07/2011 | WO2011080393A1 Mining vehicle and method for its energy supply |
| 07/07/2011 | WO2011054658A3 Method and device for optimizing the energy consumption of a system having a plurality of electrical loads |
| 07/07/2011 | US20110163607 Method for synchronizing an electric machine with an electric grid and arrangement of an electric machine and an electric grid |
| 07/07/2011 | US20110163601 Power control system and method for charging battery using fluctuating power source |
| 07/07/2011 | US20110163600 Power supply and method related thereto |
| 07/07/2011 | CA2783724A1 Mining vehicle and method for its energy supply |
| 07/06/2011 | EP2341595A1 Method for operating a photovoltaic assembly and photovoltaic assembly for implementing the method |
| 07/06/2011 | EP2341594A1 Power collection and transmission systems |
| 07/06/2011 | EP2341523A1 System and method for energy optimisation in photovoltaic generators |
| 07/06/2011 | EP2341455A2 Method and apparatus for preventing overloads of power distribution networks |
| 07/06/2011 | EP2340609A2 Voltage control and power factor correction in ac induction motors |
| 07/06/2011 | EP2340595A1 Apparatus and method for reactive power compensation of a test transformer |
| 07/06/2011 | EP2245717B1 Wind energy plant having a double-energized asynchronous generator and converter control |
| 07/06/2011 | CN201893972U Electricity saving device |
| 07/06/2011 | CN201893629U High-power permanent magnet motor rotor |
| 07/06/2011 | CN201893594U Constant-voltage charging device |
| 07/06/2011 | CN201893564U Light-triggered thyristor pulse trigger distribution device |
| 07/06/2011 | CN201893563U Reactive compensation device of electric motor |
| 07/06/2011 | CN201893562U Intelligent switching switch module |
| 07/06/2011 | CN201893561U Stationary reactive power compensating device |
| 07/06/2011 | CN201893560U Self-adaptive synchronous switch controller of 10kV capacitor |
| 07/06/2011 | CN201893559U Reactive compensation device capable of realizing fast stepless split-phase compensation |
| 07/06/2011 | CN201893558U Active power filter and dynamic reactive power comprehensive compensation control device |
| 07/06/2011 | CN201893551U High-voltage suppression protecting device and bus card reader power module |
| 07/06/2011 | CN201893550U Anti-islanding protection system for photovoltaic inverter |
| 07/06/2011 | CN102118906A DC supply mode of LED street lamp |
| 07/06/2011 | CN102118116A Solar photovoltaic synchronization group micro-inverter and direct current and alternating current inverting methods |
| 07/06/2011 | CN102118107A Controller for power converting circuit |
| 07/06/2011 | CN102118063A Solar energy power generation and storage system and method |
| 07/06/2011 | CN102118062A Dynamic load control system of circuit |
| 07/06/2011 | CN102118037A Systems and apparatus relating to wind turbine electrical control and operation |
| 07/06/2011 | CN102118036A Moving die test method by use of restraint subsynchronous resonance (SSR) device |
| 07/06/2011 | CN102118035A Grid-connected inverter |
| 07/06/2011 | CN102118034A Method for stabilizing power system of marine gas turbine generator set |
| 07/06/2011 | CN102118033A System and method for balancing power grid load |
| 07/06/2011 | CN102118032A SVC reactive prediction and compensation method for rectifier load |
| 07/06/2011 | CN102118031A Method for calculating instantaneous reactive power of power system based on vector recognition and SVC (static var compensator) compensation device |
| 07/06/2011 | CN102118030A Method for inhibiting harmonic wave of energy-storage grid-connected three-phase voltage source transformer of storage battery |
| 07/06/2011 | CN102118029A Motor filter circuit |
| 07/06/2011 | CN102118028A Method for suppressing and controlling current harmonics of three-phase LCL (Lower Control Limit) type grid-connected inverter |
| 07/06/2011 | CN102118027A Device used in electrified railway for controlling and compensating electric energy quality |
| 07/06/2011 | CN102118026A ETAP-based harmonic and negative sequence power flow method for large-scale power grid |
| 07/06/2011 | CN102117374A Method for calculating torsional oscillation modal damping of shaft system of generator set based on disturbance signal |
| 07/06/2011 | CN102116264A Megawatt-stage vertical shaft wind power generator with adjustable attack angle |
| 07/06/2011 | CN101662154B Link control panel of IGBT valve of chain static synchronous compensator |
| 07/06/2011 | CN101499661B Energy-saving comprehensive protector for oil field |
| 07/06/2011 | CN101277016B Active electric filter device as well as control method |
| 07/06/2011 | CN101085601B Power supply system and method for rail vehicles, converter, pilot unit, air conditioner for said system |
| 07/05/2011 | US7973428 Supply voltage selector |
| 07/05/2011 | CA2548096C Method of super super decoupled loadflow computation for electrical power system |
| 07/05/2011 | CA2107388C Method of fast super decoupled loadflow computation for electrical power system |
| 06/30/2011 | WO2011078390A1 Electrical power feeding system for electrical vehicle |
| 06/30/2011 | WO2011078215A1 Electric-power supply method, computer-readable recording medium, and electric-power generating system |
| 06/30/2011 | WO2011077780A1 Power grid control system using electric vehicle, power grid control apparatus, information distribution apparatus, and information distribution method |
| 06/30/2011 | WO2011077221A2 Electric power supply system |
| 06/30/2011 | WO2011077219A2 Electric power supply system |
| 06/30/2011 | WO2011076887A2 Method for controlling power within a network segment of an alternating current network and network segment |
| 06/30/2011 | WO2011076247A1 A coded power converter system |
| 06/30/2011 | WO2011012272A3 Circuit assembly for current steering |
| 06/30/2011 | US20110156496 Outdoor electrical power receptacle and control system thereof |
| 06/30/2011 | DE102009060527A1 Verfahren zur Leistungsregelung innerhalb eines Netzwerksegments eines Wechselspannungsnetzwerkes und Netzwerksegment Method for power control within a network segment of AC network and network segment |