Patents
Sitemap › H02 - Generation, conversion, or distribution of electric power › H02J - Circuit arrangements or systems for supplying or distributing electric power; Systems for storing electric energy › H02J 3 - Circuit arrangements for ac mains or ac distribution networks
Patents for H02J 3 - Circuit arrangements for ac mains or ac distribution networks (38,663)
11/2000
11/22/2000EP1054502A1 Alternating current power supply with electronically regulated voltage
11/21/2000US6151228 Filter apparatus for use in an inverter apparatus
11/21/2000US6150737 Auxiliary power distribution system
11/21/2000US6150736 Redundant electrical power source, distribution and consumption system
11/15/2000EP1051788A1 Power flow controller with dc-to-dc converter linking shunt and series connected inverters
11/15/2000CN1058587C Method and device for control of installation for transmission of high-voltage direct current
11/14/2000US6147845 System interconnection device and method of designing same
11/14/2000US6147475 Prediction of harmonic distortion and application of power-factor correction in AC power systems
11/09/2000WO2000067357A1 Device for distributing energy between a plurality of electronic modules with possibility of shedding
11/09/2000CA2335934A1 Device for distributing energy between a plurality of electronic modules with possibility of shedding
11/08/2000CN2405345Y Lightning protection and anti-interference electric power supply socket
11/07/2000US6144567 Plant for transmitting electric power, including VSC-converter and DC/DC-converter
11/07/2000US6144191 Voltage regulator
11/07/2000CA2116580C Appliance for preparation of hot drinks
11/02/2000WO2000065878A2 Method and device for supplying an electric arc melting furnace with current
11/02/2000WO2000013285A8 Integrated mode control for micropower systems
11/02/2000EP1048993A1 Method for knowledge-based planning of a complex technical system
11/02/2000DE19920049A1 Verfahren und Vorrichtung zur Stromversorgung eines über einen Lichtbogen betriebenen Schmelzaggregates Method and apparatus for supplying power to a powered via an arc melting unit
11/02/2000DE19919766A1 Inverter for a photovoltaic unit for use in a solar generator to maximize the power/performance output, the so-called maximum power point tracking
11/02/2000DE19918810A1 Verfahren zur wissensbasierten Planung eines komplexen technischen Systems A method for knowledge-planning of a complex technical system
11/02/2000CA2371094A1 Process and device for supplying current to an electric-arc melting unit
11/01/2000CN2404249Y Power supply conversion compensating apparatus
11/01/2000CN1272240A Synchronous compensator plant
11/01/2000CN1271985A Autocontrol system for reactive voltage of local electric power network
10/2000
10/31/2000US6141634 AC power line network simulator
10/31/2000US6141226 HVDC transmission system with bidirectionally controlled thyristors
10/31/2000US6140866 Filtering device comprising a control circuit and an electrical apparatus comprising such a device
10/31/2000US6140803 Apparatus and method for synchronizing a synchronous condenser with a power generation system
10/31/2000CA2245803C Impedance regulator system and method
10/30/2000CA2687316A1 Control arrangement and method for power electronic system
10/26/2000WO2000064027A1 Electrical peak load distributor
10/25/2000EP1047179A1 Method of operating a power supply system having parallel-connected inverters, and power converting system
10/25/2000EP1046212A1 Man-machine interface for a custom tabular display
10/25/2000EP1046208A1 Electric power supply system for an electrical equipment
10/25/2000CN2403114Y Change-over switch for shunt capacitor
10/25/2000CN1271458A Power distribution network incorporating a voltage support transformer and process of use
10/25/2000CN1271207A Operation method for power supply system with parallel connected invertor and power change-over system
10/25/2000CN1057840C Insulation state measurement method, judgment apparatus and dispersion type power generating system using the same
10/24/2000US6137706 Dual-input, automatic-switching power supply
10/24/2000US6137191 Source-transfer switching system and method
10/19/2000WO2000062396A1 Universal harmonic mitigating system
10/19/2000DE19943614C1 Load regulation method for thermodynamic machine e.g. Stirling engine, maintains constant voltage or frequency at output terminals of current generator with energy feedback to thermodynamic process
10/18/2000CN1270315A Multi-tariff KW-Hr meter with time slice output device and its time slice control method
10/18/2000CN1057658C Direct-arc electric furnace fed with controlled current method to feed direct-arc furnace with controlled current
10/17/2000US6134126 Power conversion system
10/17/2000US6134124 Universal distributed-resource interface
10/17/2000CA2158187C Electrical power generating installation and method of operating same
10/12/2000WO2000028636A3 Energy storage system
10/12/2000WO2000017984A9 Energy management system and method
10/11/2000CN2400953Y Electric filter device
10/11/2000CN1269916A Power-supply supply system for electric appliance such like motors
10/10/2000US6130832 Active filtering of AC/DC switched converter input current
10/10/2000US6130524 Method and apparatus for generating and injecting reactive power into an electrical AC power grid system using an inverter
10/05/2000WO2000059105A1 Fixed off time and zero voltage switching dual mode power factor correcting converter
10/05/2000DE19926642A1 Schaltkreis zur Leistungsfaktorverbesserung Circuit power factor correction
10/04/2000EP1040564A1 Wind turbine and method for operating a wind turbine
10/04/2000EP1040555A1 Converter connection assembly with a direct voltage intermediate circuit
10/04/2000EP1040260A1 Constant turbine inlet temperature control of a microturbine power generating system
10/04/2000CN2399875Y All-weather idel work power auto-compensating electrostatic capacitor shield
10/04/2000CN1268802A Power conversion device
10/04/2000CN1057174C Three-phase rectification circuit having power factor correcting and harmonic suppressing circuit
10/03/2000US6128204 Line power unit for micropower generation
10/03/2000US6127743 Universal harmonic mitigating system
10/03/2000US6127621 Power sphere
09/2000
09/28/2000WO2000057529A1 A method and a device for damping power oscillations in transmission lines
09/27/2000EP1039621A2 Photovoltaic power generation device
09/27/2000EP1039620A2 Energy conversion apparatus
09/27/2000EP1038246A2 Computerized resource accounting methods and systems, computerized utility management methods and systems, multi-user utility management methods and systems, and energy-consumption-based tracking methods and systems
09/27/2000CN2398763Y Common electric machine energy-saving device for refrigerator and freezer
09/27/2000CN2398753Y Harmonic eliminating type distribution apparatus
09/27/2000CN1267940A Combined design method of 2' measuring and comparing device
09/27/2000CN1267939A Controlling apparatus of electric power system and control method of electric power system
09/20/2000CN2397658Y Reactive compensation automatic controller for converting station
09/20/2000CN1267074A Device for emergency power supply of automatic turn-off apparatus
09/19/2000US6122603 Multi-utility energy control system with dashboard
09/19/2000US6121758 Adaptive synchronous capacitor switch controller
09/13/2000EP1035638A2 Method and circuit arrangement for imaging the network voltage near power supply devices capable of feeding back energy
09/13/2000EP1035626A2 Power system control apparatus and relative method
09/13/2000EP1034594A1 Energy management system and method
09/13/2000EP1034593A1 Power flow control
09/13/2000EP1034543A1 Magnetic energy storage
09/13/2000EP0794919B1 Reserve power system for elevators
09/13/2000CN2396560Y Master-slave distributed zero cross controlling thyristor valve
09/12/2000US6118676 Dynamic voltage sag correction
09/12/2000US6118187 Method for controlling an output of an electrical power plant
09/12/2000CA2032966C Domestic appliance having electrically isolated input control circuitry
09/08/2000WO2000052806A1 Method, system and device for managing the consumption of electric energy in a domestic environment
09/08/2000WO2000052805A1 Temporary overvoltage limiter for high voltage transmission systems
09/08/2000WO2000013285A3 Integrated mode control for micropower systems
09/08/2000CA2365524A1 Method, system and device for managing the consumption of electric energy in a domestic environment
09/07/2000DE19909706A1 Verfahren und Schaltungsanordnung zur Abbildung der Netzspannung bei rückspeisefähigen Versorgungsgeräten Method and circuit arrangement for imaging the mains voltage in regenerative supply equipment
09/06/2000EP0600073B1 Computer-controlled circuit breaker energy management arrangement having reliable memory and clock
09/06/2000CN2395449Y AC power filter
09/05/2000US6115269 Control equipment for active filters and a method for reduction of harmonics in a bipolar dc link
09/05/2000US6115268 Method and apparatus for supplying uninterrupted power
09/05/2000US6114841 Method and device for compensation of reactive power
09/05/2000CA2162162C Control equipment for electrical power generators
08/2000
08/30/2000EP1032107A1 Device for limiting the power consumption in a load network
08/30/2000EP1031903A2 Circuit configuration supplying an energizing current
08/30/2000EP1031003A1 Device and method for controlling the operation of domestic refrigerators and freezers
1 ... 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 ... 387