| Patents for H02J 3 - Circuit arrangements for ac mains or ac distribution networks (38,663) |
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| 01/08/2003 | CN2530377Y Remote controlled energy saving self-control box |
| 01/08/2003 | CN1390336A System for certified use of electrical energy |
| 01/08/2003 | CN1098554C Power supply apparatus having afunction of compensating for change in voltage |
| 01/07/2003 | US6504696 Control arrangement and method for power electronic system |
| 01/07/2003 | US6503649 Variable fuel cell power system for generating electrical power |
| 01/03/2003 | WO2003001821A1 Electronic device with paging for energy curtailment and code generation for manual verification of curtailment |
| 01/03/2003 | WO2003001645A2 Method of monitoring a high voltage grid power system |
| 01/02/2003 | US20030004660 Method and apparatus for reading and controlling electric power consumption |
| 01/02/2003 | US20030004659 Operation and maintenance planning aiding system for power generation installation |
| 01/02/2003 | US20030002310 System interconnection electric power generator and control method therefor |
| 01/02/2003 | EP1271742A2 System interconnection electric power generator and control method therefor |
| 01/02/2003 | EP1271741A2 System for stabilising a power supply network |
| 01/02/2003 | EP1271740A1 Electricity bill control device and recording medium therefor |
| 01/02/2003 | EP1269600A2 Synchronous frame regulation to extract a positive sequence component of a line voltage |
| 01/02/2003 | EP1269599A1 Computer-assisted configuring tool |
| 01/02/2003 | EP1269598A2 Distributed internal fault bypass in a modular uninterruptible power supply |
| 01/02/2003 | EP1269282A1 Wind power plant having fixed-speed and variable-speed windmills |
| 01/02/2003 | EP1268323A1 Process for switching between mains supply and a frequency inverter and vice versa for an escalator drive |
| 01/02/2003 | EP1198876A4 System for controlling the delivery of power to dc computer components |
| 01/01/2003 | CN2529425Y Multiple output isolation supply unit |
| 01/01/2003 | CN1097952C Method and equipment for distributing minimum stand-by power |
| 01/01/2003 | CN1097871C Compensation control arrangement for power system |
| 01/01/2003 | CN1097870C Electric power tide controlling device |
| 01/01/2003 | CN1097869C Method for obtaining display fluctuation signal. of power supply network |
| 12/31/2002 | US6501628 Method of synchronous circuit opening of generator circuit breaker, and its control apparatus |
| 12/31/2002 | US6501196 Fault tolerant AC transfer switch |
| 12/27/2002 | WO2002103889A1 Method for coupling inverter to alternating voltage |
| 12/27/2002 | WO2002103879A1 Method for coordination renewable power production with other power production |
| 12/27/2002 | WO2002103877A2 Optimized power supply system using two vfd with their dc bus in parallel |
| 12/27/2002 | WO2002103465A2 Method and apparatus for bundling transmission rights and energy for trading |
| 12/27/2002 | CA2445066A1 Method and apparatus for bundling transmission rights and energy for trading |
| 12/26/2002 | US20020198627 Predictive failure scheme for industrial thin films processing power delivery system |
| 12/26/2002 | US20020196124 Electronic device with paging for energy curtailment and code generation for manual verification of curtailment |
| 12/25/2002 | CN2528143Y Automatic following compensator for reactive power |
| 12/25/2002 | CN1097246C Method of initializing and updating network model |
| 12/24/2002 | US6498464 System for supplying power to a load connected to a distribution network |
| 12/24/2002 | US6498462 Generator control system to accommodate a decrease in a power grid voltage |
| 12/19/2002 | WO2002101911A1 Circuit arrangement for the suppression of interfering network reactions |
| 12/19/2002 | US20020194012 Automated system for power retailing |
| 12/19/2002 | US20020192516 Biochips used for analyzing detector intensity, then calibration and evaluation using software; analysis apparatus |
| 12/19/2002 | US20020190697 18-pulse rectification system using a wye-connected autotransformer |
| 12/19/2002 | US20020190576 Network controller for managing the supply and distribution of electrical power |
| 12/19/2002 | US20020190525 Inverter controlled, parallel connected asynchronous generator for distributed generation |
| 12/18/2002 | EP1267129A2 Power management system in electrical cooking appliances |
| 12/18/2002 | EP1266443A1 Improvements relating to converters |
| 12/18/2002 | CN2527030Y Multifunctional electrical energy-saving controller |
| 12/18/2002 | CN2527016Y Hybrid reactive power generator |
| 12/18/2002 | CN2527015Y Apparatus for switching one channel from multi-channel ac |
| 12/17/2002 | US6496757 Nonlinear contingency screening for voltage collapse |
| 12/15/2002 | CA2390734A1 Network controller for managing the supply and distribution of electrical power |
| 12/15/2002 | CA2354242A1 Hvac controller |
| 12/12/2002 | WO2002099552A1 Automatic power factor correction system |
| 12/12/2002 | US20020186020 Power generation apparatus and its control method |
| 12/11/2002 | EP1265333A1 Configuration of one part of the electrical power distribution |
| 12/11/2002 | EP1264103A1 A method and a connector arrangement for connecting and disconnecting a generator to a circuit with an existing alternating current |
| 12/11/2002 | EP1002353B1 Method and device for improving the current quality in a network |
| 12/11/2002 | CN2525725Y Multifunction power saver |
| 12/11/2002 | CN2525724Y Thyrister power regulator for temperature control system of heating device |
| 12/11/2002 | CN2525716Y Intelligent projection switch |
| 12/11/2002 | CN1384992A Method, system and device for managing consumption of electric energy in domestic environment |
| 12/11/2002 | CN1384579A Harmonic wave depressor to 40-th below symmetric harmonic waves and odd harmonic waves and its use |
| 12/10/2002 | US6493643 Method for the energy management in a domestic environment |
| 12/10/2002 | US6493244 System with massive choke in parallel with a/c line for load conditioning |
| 12/10/2002 | US6492801 Method, apparatus, and system for real time reactive power output monitoring and predicting |
| 12/10/2002 | US6492790 Driving system for driving AC motor |
| 12/05/2002 | WO2002097942A2 A generator system and method of operating such a generator system |
| 12/05/2002 | US20020184138 Systems and methods for trading electrical transmission rights |
| 12/05/2002 | US20020181254 Method and apparatus for multifrequency power distribution |
| 12/05/2002 | US20020180408 Automatic power factor correction system |
| 12/04/2002 | EP1263109A2 Converter circuit |
| 12/04/2002 | EP1263108A1 Community energy comsumption management |
| 12/04/2002 | EP1262090A1 Lighting system |
| 12/04/2002 | CN2524413Y Power regulator for power distribution line |
| 12/03/2002 | US6490143 Blocking circuit for high voltage spike testing |
| 12/01/2002 | CA2388571A1 Improvements in community energy consumption management |
| 11/28/2002 | WO2002095929A1 Gas turbine generator |
| 11/28/2002 | US20020176265 Electrical substation |
| 11/28/2002 | US20020175660 Low-energy storage fast-start uninterruptible power supply system and method |
| 11/27/2002 | EP1261099A2 Low-energy storage fast-start uninterruptible power supply system and method |
| 11/27/2002 | EP1261097A1 Current adjusting apparatus and current adjusting method |
| 11/27/2002 | EP1261096A1 Stability prediction for an electric power network |
| 11/27/2002 | EP1119893B1 System for supplying power to a load connected to a distribution network |
| 11/27/2002 | CN2523091Y Multigroup multi-stage circulating autoamtic on-off control device of new-type low-voltage power capacitor bank |
| 11/27/2002 | CN1382319A Method for controlling reactive power and device for generating electrical energy in electrical network |
| 11/27/2002 | CN1095234C Device for distributing energy for airplane |
| 11/27/2002 | CN1095233C Serial active filter method and system based on fundamental flux comensation |
| 11/26/2002 | US6487509 Method for the energy management in a domestic environment |
| 11/26/2002 | US6487508 Energy supply system and operation method thereof |
| 11/26/2002 | US6486641 Power regulation of electrical loads to provide reduction in power consumption |
| 11/26/2002 | US6486570 Waveform correction filters |
| 11/26/2002 | US6486569 Power flow management in an electric power grid |
| 11/22/2002 | CA2355966A1 Power signal processor |
| 11/21/2002 | WO2002093655A1 Apparatus for generating photovoltaic energy |
| 11/21/2002 | WO2002073768A3 Connection and method for connection of a generator to an electric network using the same |
| 11/21/2002 | US20020171294 Voltage fluctuation compensating apparatus |
| 11/21/2002 | DE10136974A1 Verfahren zum Betreiben einer Windenergieanlage A method of operating a wind power plant |
| 11/21/2002 | DE10123414A1 Static converter as 3-phase current converter controlled using vector modulation and fixed step control method |
| 11/20/2002 | EP1258070A2 Modular uninterruptible power supply |
| 11/20/2002 | CN1380235A Fault forecasting method of power transmission system for processing industrial film |
| 11/14/2002 | WO2002091543A2 A system for electric energy distribution |