| Patents for H02J 3 - Circuit arrangements for ac mains or ac distribution networks (38,663) |
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| 10/17/2001 | EP1145401A1 Control equipment for thyristor-controlled series capacitor equipment, and a method for control thereof |
| 10/17/2001 | CN2454972Y A group of thyristor throw-cut multi-way capacitance compensation device |
| 10/17/2001 | CN2454971Y Signal power-supply supplying device for cable TV system on passenger train or ship |
| 10/17/2001 | CN1317859A Power factor correction circuit for three-phase power supply system |
| 10/16/2001 | US6304838 Methods of increasing power handling capability of a power line |
| 10/16/2001 | US6304468 Phase synchronization system for connecting a power converter to a power distribution system |
| 10/16/2001 | US6304006 Energy management uninterruptible power supply system |
| 10/16/2001 | CA2088989C Electrical distribution system having mappable control inputs |
| 10/11/2001 | WO2001075756A1 Bidding for energy supply with request for service |
| 10/11/2001 | WO2001025628A3 Wind power plant |
| 10/11/2001 | WO2000013284A3 Line power unit for micropower generation |
| 10/11/2001 | US20010028573 Electric power system |
| 10/11/2001 | US20010028198 Circuit for stabilizing an ac power line |
| 10/11/2001 | DE10035157A1 Operational method for AC transmission system in transmission network, involves running transmission section at frequency below rated frequency of transmission system |
| 10/11/2001 | DE10016216A1 Procedure for reduction of electrical losses in line section of high voltage transmission line, involves guiding loss current and controlling loss current by current control unit |
| 10/10/2001 | EP1143594A2 Power converting apparatus, control method therefor, and solar power generation apparatus |
| 10/10/2001 | EP1143593A1 Load distribution and management system |
| 10/10/2001 | EP1143592A1 Device for removing noise in ac power waveform |
| 10/10/2001 | EP1143590A1 Power system protection and control system |
| 10/10/2001 | EP1142090A1 Voltage switch-over device |
| 10/10/2001 | EP1142078A1 Load shifting control system for commercial refrigeration |
| 10/10/2001 | CN2453604Y Single-stage, single switch power factor correction converter |
| 10/10/2001 | CN2453595Y Two points electricity-taking type automatic inverter for AC line |
| 10/10/2001 | CN2453594Y High voltage intelligent type voltage reactive regulator |
| 10/10/2001 | CN1072856C Control system for power conversion system |
| 10/10/2001 | CN1072854C Zero transition procedue triggering two-control-three capacitor switching method and apparatus |
| 10/10/2001 | CA2304483A1 Novus transformer-generator |
| 10/09/2001 | US6301674 Power control method, power control system and computer program product for supplying power to a plurality of electric apparatuses connected to a power line |
| 10/04/2001 | WO2001073921A2 Method and apparatus for coordinating uninterruptible power supply modules to provide scalable, redundant power |
| 10/04/2001 | WO2001073916A2 Synchronous frame regulation to extract a positive sequence component of a line voltage |
| 10/04/2001 | WO2001073915A2 Distributed internal fault bypass in a modular uninterruptible power supply |
| 10/04/2001 | WO2001073879A1 Fuel cell system with load management |
| 10/04/2001 | WO2001073518A1 Wind power plant having fixed-speed and variable-speed windmills |
| 10/04/2001 | WO2001044083A8 Process for switching between mains supply and a frequency inverter and vice versa for an escalator drive |
| 10/04/2001 | US20010026143 Charging system and charging method for use of battery power |
| 10/04/2001 | EP1138103A1 Switching apparatus and method for an electric power transmission line section |
| 10/04/2001 | DE19903467A1 Automatic compensator for handling power factors includes a circuit consisting of digital and analog switch components for automatically calculating and recalling required values for capacitors. |
| 10/03/2001 | CN1315769A Power system protecting controller |
| 10/03/2001 | CN1315768A Adjustable dc voltage controller for non-transformer reactive series compensator |
| 10/02/2001 | US6297980 Unified constant-frequency integration control of three-phase power corrected rectifiers, active power filters, and grid-connected inverters |
| 10/02/2001 | CA2268566C Ac transmission system with reactance compensation |
| 09/27/2001 | WO2001071898A1 Improvements relating to converters |
| 09/27/2001 | WO2001071897A1 An improved electrical substation |
| 09/27/2001 | WO2001071887A2 Monitoring and security arrangement |
| 09/27/2001 | WO2001071881A2 Energy management system which includes on-site energy supply |
| 09/27/2001 | WO2001071880A1 Computer-assisted testing method for a wiring system |
| 09/27/2001 | WO2001071879A1 Computer-assisted configuring tool |
| 09/27/2001 | US20010025209 Electric power supply control system |
| 09/27/2001 | DE10014431A1 Maintaining upper limit of mean total power of separate groups of loads involves varying local upper mean total power limit to minimize sum of resulting positive correction powers |
| 09/26/2001 | EP1137149A2 Apparatus and method for supplying the power of an autonomous network |
| 09/26/2001 | EP1137148A2 System for the production and controlled distribution of electric energy in isolated areas |
| 09/26/2001 | CN2450822Y High power factor AC/DC converter power limiter |
| 09/26/2001 | CN1071952C Controller of power converter |
| 09/20/2001 | WO2001069758A1 High-voltage dc-insulated electric power plants |
| 09/20/2001 | WO2001069754A1 Wind power plant |
| 09/20/2001 | WO2001069753A1 Electric service load limiter |
| 09/20/2001 | WO2001069752A1 Heat/electric power supply system having power storage unit |
| 09/20/2001 | WO2001069751A1 Method for configuring an electrical installation and corresponding configuration device |
| 09/20/2001 | WO2001069484A1 Computer program and method for reducing hvac demand for energy |
| 09/20/2001 | WO2001069078A1 A method and a connector arrangement for connecting and disconnecting a generator to a circuit with an existing alternating current |
| 09/20/2001 | CA2403203A1 A method and a connector arrangement for connecting and disconnecting a generator to a circuit with an existing alternating current |
| 09/19/2001 | EP1134871A2 Electric power system |
| 09/19/2001 | EP1134867A1 Method and device for assessing the stability of an electric power transmission network |
| 09/19/2001 | EP0998777B1 Method for injecting reactive power into an alternating current network |
| 09/19/2001 | CN1313650A Using system and use of secondary battery |
| 09/19/2001 | CN1071514C Method and circuit configuration for power control with low switching surges for electric loads |
| 09/18/2001 | US6292379 Distributed internal fault bypass in a modular uninterruptible power supply |
| 09/18/2001 | US6291910 Electric apparatus capable of turning off a power supply circuit automatically to inhibit resuming of operation until safety is ensured at the time of restoration from abnormal stop |
| 09/18/2001 | US6291764 Photovoltaic power generation device |
| 09/14/2001 | CA2340312A1 Electric power system |
| 09/13/2001 | WO2001067578A1 Electricity bill control device and recording medium therefor |
| 09/13/2001 | WO2001067577A1 Apparatus for quality control verification of an electrochemistry test |
| 09/13/2001 | US20010021896 Method and device for assessing the stability of an electric power transmission network |
| 09/12/2001 | EP1133043A1 Controller for performing a decoupling control of a reactive series compensator |
| 09/12/2001 | EP0885376A4 Optically programmed encoder apparatus and methods |
| 09/12/2001 | CN2447979Y Reactive power compensating arrangement |
| 09/12/2001 | CN2447978Y Single-phase AC protector for purifying electric equipment |
| 09/11/2001 | US6289338 Database analysis using a probabilistic ontology |
| 09/11/2001 | US6288916 Multiple output uninterruptible alternating current power supplies for communications system |
| 09/11/2001 | US6288915 Converter circuit arrangement having a DC intermediate circuit |
| 09/11/2001 | US6288456 Power system |
| 09/06/2001 | US20010020219 Energy efficiency measuring system and reporting methods |
| 09/05/2001 | EP1130734A2 Tunned filters for electric power |
| 09/05/2001 | CN2446706Y Static state reactive generator |
| 09/05/2001 | CN1311560A Excitation control device and method therefor |
| 09/04/2001 | US6285572 Method of operating a power supply system having parallel-connected inverters, and power converting system |
| 09/04/2001 | US6285178 Power supply |
| 09/04/2001 | US6285168 Reactive droop compensation system and method |
| 09/01/2001 | CA2338907A1 Tuned filters for electric power systems |
| 08/30/2001 | WO2001063722A1 Control system |
| 08/30/2001 | US20010018749 Controlling apparatus and controlling method |
| 08/30/2001 | US20010017485 Control system and method for switching and intercepting power supplies |
| 08/29/2001 | EP1128562A2 Controlling apparatus and controlling method |
| 08/29/2001 | EP1128538A2 Control system adapted to control operation of an AC/DC converter |
| 08/29/2001 | CN2445489Y Composite capacitance compensation automatic tracking control main machine |
| 08/29/2001 | CN1310875A A method and a device for damping power oscillations in transmission lines |
| 08/29/2001 | CN1310505A Power factor calibrating method and device |
| 08/28/2001 | US6281601 Turbogenerator power control system and method |
| 08/23/2001 | WO2001062052A1 Lighting system |
| 08/23/2001 | WO2001061840A1 Engine management system |