| Patents for H02J 3 - Circuit arrangements for ac mains or ac distribution networks (38,663) |
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| 09/27/2007 | DE102005040289A1 Verfahren zum Betrieb einer Elektroenergieübertragungsleitung sowie Anordnung mit einer Elektroenergieübertragungsleitung Method for operating an electric power transmission line and assembly with an electric power transmission line |
| 09/27/2007 | DE102004022719B4 Datengewinnungsverfahren zur Qualitätsbewertung von Elektroenergie Data recovery method for evaluating the quality of electric energy |
| 09/26/2007 | EP1837985A2 Mehtod and apparatus for converting direct surrent to alternating current |
| 09/26/2007 | EP1836758A1 Mapping power system components |
| 09/26/2007 | EP1836392A2 Power generation system incorporating a vanadium redox battery and a direct wind turbine generator |
| 09/26/2007 | EP1836391A2 Vanadium redox battery energy storage and power generation system incorporating and optimizing diesel engine generators |
| 09/26/2007 | CN200953475Y Variable load phase modifier |
| 09/26/2007 | CN200953474Y High-voltage power-saving device |
| 09/26/2007 | CN200953296Y Digital control cut-in switch |
| 09/26/2007 | CN101044663A Device for the safe isolation of a nuclear power plant from a supply mains during a mains failure |
| 09/26/2007 | CN101043141A Vehicle integrated power and control strategy for cold platerefrigeration system |
| 09/26/2007 | CN100340047C Device, system and method for monitoring a household electric appliance |
| 09/26/2007 | CN100340043C Series active power filter |
| 09/25/2007 | US7274576 Power converter with reduced common mode voltage |
| 09/25/2007 | US7274114 Integrated tracking voltage regulation and control for PMUIC to prevent latch-up or excessive leakage current |
| 09/20/2007 | WO2007105677A1 Cogeneration system |
| 09/20/2007 | WO2007104167A1 Method for operating a battery energy storage system (bess) and battery energy storage system |
| 09/20/2007 | US20070219669 Generator controller |
| 09/20/2007 | US20070216515 Power System for Area Containing a Set of Power Consumers |
| 09/20/2007 | US20070216373 Universal Three Phase Controllers For Power Converters |
| 09/20/2007 | DE102007010998A1 Energy and data supplying module for automation cell, has three lines via which consumers are connected, three phase voltage system supplied to consumer over lines in operating mode, and speed controller provided with determined frequency |
| 09/20/2007 | DE102006012307A1 System System |
| 09/19/2007 | EP1835592A1 Method and system for controlling a combination-cycle electric power plant, in particular a single-shaft plant |
| 09/19/2007 | EP1834393A1 Method and device for supporting the alternating current frequency in an electricity network |
| 09/19/2007 | EP1834392A1 A momentary power market |
| 09/19/2007 | CN200950545Y Diesel generating set for realizing parallel operation function without parallel cabinet |
| 09/19/2007 | CN200950544Y Distributed monitor protective system for power distribution network synthesized dynamic compensation device |
| 09/19/2007 | CN200950543Y Combination type reactive compensator |
| 09/19/2007 | CN200950542Y Three-phase distribution capacitive current compensation extinguishing arc system |
| 09/19/2007 | CN200950541Y Three-phase automatic balance reactive compensation electricity economizer |
| 09/19/2007 | CN200950540Y Zero sequence harmonic filtering system |
| 09/19/2007 | CN200950233Y DSP-based dynamic voltage compensator control device |
| 09/19/2007 | CN101040416A Method for controlling the quality of the electron energy of an electrical power supply system |
| 09/19/2007 | CN101040303A Arrangement of daisy chained inductive couplers for data communication |
| 09/19/2007 | CN101039090A Wind turbine generator system |
| 09/19/2007 | CN101039033A Power distribution architecture for actuating moving elements of an aircraft in sequence |
| 09/19/2007 | CN101039032A Device for parallel connection of a plurality of electrical feeder units |
| 09/19/2007 | CN101039031A Method for controlling coordination voltage of regional power grid and provincial power grid |
| 09/19/2007 | CN101038825A Medium-pressure reactive compensation real-time multi-stage switching circuit breaker |
| 09/19/2007 | CN100338840C Phase checking method for merging electric transmission line into electric grid |
| 09/19/2007 | CN100338839C Ultralow frequency transmission system |
| 09/18/2007 | US7272516 Failure rate adjustment for electric power network reliability analysis |
| 09/18/2007 | US7271571 Anti-islanding protection systems for synchronous machine based distributed generators |
| 09/18/2007 | US7271506 Rack mountable power distribution apparatus |
| 09/18/2007 | CA2359322C Electric utility system with superconducting magnetic energy storage |
| 09/13/2007 | WO2007102758A1 Power compensator |
| 09/13/2007 | WO2007102757A1 Charge controller |
| 09/13/2007 | WO2007102756A1 Temperature controller |
| 09/13/2007 | US20070213880 System and method for demand limiting resistive load management |
| 09/13/2007 | DE202007008717U1 230 Volt-Relais mit Stecker 230 volt relay with plug |
| 09/12/2007 | EP1831982A1 Electric power flow control |
| 09/12/2007 | EP1831981A1 Power control of a wind farm and method therefor |
| 09/12/2007 | CN200947563Y Composite wind permanent-magnet synchronous generator |
| 09/12/2007 | CN200947547Y Reactive compensating device for low voltage distribution system |
| 09/12/2007 | CN200947546Y Low-voltage three-phase static reactive synchronous compensator |
| 09/12/2007 | CN200947545Y Intelligent variable line loss energy-saving equipment |
| 09/12/2007 | CN200947544Y High voltage integrated adjustable capacitor type power reactive compensator |
| 09/12/2007 | CN200947543Y Generation set for elevator |
| 09/12/2007 | CN101036276A Transformers |
| 09/12/2007 | CN101034813A Adjusting and control method for the loaded voltage-regulating transformer at the middle layer of the static mixed automatic voltage control |
| 09/12/2007 | CN101034812A Adjusting and control method for the generator unit and reactive power compensator at the middle layer of self-control of the static mixed voltage |
| 09/12/2007 | CN101034811A Security adjusting and control method for top layer of the static mixed automatic voltage control |
| 09/12/2007 | CN101034810A Economic adjusting and control method for top layer of the static mixed automatic voltage control |
| 09/12/2007 | CN101034809A Evaluation method for static voltage stability of the power system based on the dynamic continuous tide |
| 09/12/2007 | CN101034808A Distributed computing method of the features of the power system |
| 09/12/2007 | CN101034807A Methods and apparatus for electric power grid frequency stabilization |
| 09/12/2007 | CN101034806A Dynamic monitoring and expansion system of power transmission line and its expansion method |
| 09/12/2007 | CN101034800A Protection control system for isolated island effect prevention of parallel network reverse power generation device and its method |
| 09/12/2007 | CN101034447A Method and apparatus for planning major outages for gas turbines |
| 09/12/2007 | CN101033730A Control method for stably operating wind power field using double-fed asynchronous generator |
| 09/12/2007 | CN100337379C Voltage reactive power integrated control device based on magnetic control reactor |
| 09/12/2007 | CN100337378C Digitalized active power regulating energy-saving device |
| 09/11/2007 | US7269036 Method and apparatus for adjusting wakeup time in electrical power converter systems and transformer isolation |
| 09/11/2007 | CA2318944C Constant turbine inlet temperature control of a microturbine power generating system |
| 09/08/2007 | CA2580939A1 Interlock assembly for sequentially actuating power supply switches including a neutrally connected switch |
| 09/07/2007 | WO2007100134A1 Demand control device |
| 09/07/2007 | WO2007099767A1 New energy generation system output fluctuation mitigating device |
| 09/07/2007 | WO2007098632A2 Converter control unit using time-stamped voltage or current phasors |
| 09/07/2007 | WO2007060244A3 Method for supplying the electrical on-board power network of ships with external energy |
| 09/06/2007 | US20070205665 Power Tool with Power Supply Circuit Supplying Different Level DC Voltages to Different Auxiliary Devices |
| 09/06/2007 | US20070205663 Apparatus and method for distributing electrical power from a plurality of power sources among a plurality of electrical conductors |
| 09/05/2007 | EP1830447A1 Converter control unit using time-stamped voltage or current phasors |
| 09/05/2007 | EP1829184A1 A method and a device for controlled reclosing of a circuit breaker |
| 09/05/2007 | EP1829183A1 Electric power flow control |
| 09/05/2007 | EP1829182A2 Power supply control |
| 09/05/2007 | EP1829181A1 Power supply control apparatus |
| 09/05/2007 | EP1829001A2 Arrangement of daisy chained inductive couplers for data communication |
| 09/05/2007 | CN200944576Y Automatic control device of double fed motor generating maximum advancing reactive power |
| 09/05/2007 | CN200944531Y Intelligent reactive-load compensating unit of non-stepped dynamic adjustment |
| 09/05/2007 | CN200944530Y Power filter |
| 09/05/2007 | CN101030711A Microcomputer protecting controller |
| 09/05/2007 | CN101030706A Parallel device of inverter |
| 09/05/2007 | CN101030705A Method for tracking and controlling current of hybrid active filter |
| 09/05/2007 | CN101030704A 滤波器电路 Filter circuit |
| 09/05/2007 | CN101030703A Combined method for regulating power-supply system frequency and active power |
| 09/05/2007 | CN100336278C Antomatic quasi-simultaneous interconnecting method of leftover pressure turbine generating unit of high furnace gas |
| 09/05/2007 | CN100336277C Dynamic voltage compensator in series type by using super conduct to store energy |
| 09/05/2007 | CN100336276C Parallel mixed power filter for electrified railway |
| 09/04/2007 | US7265521 Reactive power compensation to minimize step voltage changes and transients |
| 09/04/2007 | US7265456 Power generation system incorporating a vanadium redox battery and a direct current wind turbine generator |