| Patents for H02J 3 - Circuit arrangements for ac mains or ac distribution networks (38,663) |
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| 02/09/2005 | CN1578144A 电子开关 Electronic switch |
| 02/09/2005 | CN1578047A Power management wake-up circuit, method and apparatus |
| 02/09/2005 | CN1578044A Reduction of energization transients in a three phase y-connected load |
| 02/08/2005 | US6853940 Anti-islanding device and method for grid connected inverters using random noise injection |
| 02/08/2005 | US6853930 System for aiding the preparation of operation and maintenance plans for a power generation installation |
| 02/08/2005 | US6853541 Compact converter station |
| 02/08/2005 | CA2209225C Series compensator inserting real and reactive impedance into electric power system for damping power oscillations |
| 02/03/2005 | WO2005011033A1 Fuel cell generation system |
| 02/03/2005 | US20050028014 Intelligent power management control system and method |
| 02/03/2005 | US20050027636 Method and apparatus for trading energy commitments |
| 02/03/2005 | US20050024131 Current control method and apparatus for active power filters |
| 02/02/2005 | EP1503475A1 Connecting process for a reactive power compensator |
| 02/02/2005 | EP1503474A1 Power management system and method |
| 02/02/2005 | CN2676479Y Power filter circuit |
| 02/02/2005 | CN1575536A Improvements in and relating to control apparatus for power supply systems |
| 02/02/2005 | CN1574545A Parallel operating system for uninterrupible power units |
| 02/02/2005 | CN1574537A Electric power trading support system |
| 02/02/2005 | CN1573776A Electric-power-generating-facility operation management support system, electric-power-generating-facility operation management support method, and program |
| 02/02/2005 | CN1573625A Apparatus for controlling multi-outlet power strip |
| 02/02/2005 | CN1187874C Dynamic reactive power split-phase compensation method and device |
| 02/01/2005 | US6850820 Distributed power generation system, and maintenance system and maintenance method utilizing the same |
| 02/01/2005 | US6850074 System and method for island detection |
| 02/01/2005 | US6849967 Automatic transfer switch for microturbine and method of operation |
| 01/27/2005 | WO2005008903A2 A power line communication system and method of operating the same |
| 01/27/2005 | WO2005008902A2 A power line communication system and method of operating the same |
| 01/27/2005 | US20050020769 Copolymer of polyethers, polyamides and polysiloxane units; cosmetic and dermatologic areas |
| 01/27/2005 | US20050018460 Method and apparatus for implementing same phase power supply scheme |
| 01/27/2005 | US20050018456 Controller and driving method for power circuits, electrical circuit for supplying energy and display device having the electrical circuit |
| 01/27/2005 | US20050018454 Method and apparatus for adjusting wakeup time in electrical power converter systems and transformer isolation |
| 01/27/2005 | DE10330473A1 Frequenzumwandler für Hochgeschwindigkeitsgeneratoren Frequency converter for high speed generators |
| 01/27/2005 | DE10327344A1 Windenergieanlage Wind turbine |
| 01/26/2005 | CN2674740Y Dynamic reactive power compensator |
| 01/26/2005 | CN2674739Y Nonlinear harmonic wave eliminating and reactive generator |
| 01/26/2005 | CN1571238A Harmonic superscale protecting method in low-voltage reactive compensation |
| 01/26/2005 | CN1571237A Dynamic control method for capacitor switching in low-voltage reactive compensation |
| 01/26/2005 | CN1571236A Arcless compensation type single-phase voltage regulating and stabilizing device |
| 01/26/2005 | CN1571235A A uniform electric energy quality regulator using DC energy-storage to proceed electric isolation |
| 01/26/2005 | CN1571234A Ultralow frequency transmission system |
| 01/26/2005 | CN1571229A Switching fault detection control device for compensation capacitance |
| 01/26/2005 | CN1571086A Open-circuit method for breaker of power generator and its control equipment |
| 01/25/2005 | US6847587 System and method for identifying and locating an acoustic event |
| 01/20/2005 | US20050015283 Electric-power-generating-facility operation management support system, electric-power-generating-facility operation management support method, and program for executing support method, and program for executing operation management support method on computer |
| 01/20/2005 | US20050015182 Hybrid power flow controller and method |
| 01/20/2005 | US20050013080 Method for predicting a future voltage and/or current curve |
| 01/20/2005 | US20050012396 Graphical interface for configuring a power supply controller |
| 01/20/2005 | US20050012395 Integrated closed loop control method and apparatus for combined uninterruptible power supply and generator system |
| 01/19/2005 | EP1497900A1 Method and system for on-line dynamical screening of electric power system |
| 01/19/2005 | CN2672937Y Automatic delay in-site compensator |
| 01/19/2005 | CN2672936Y Narrow band combined filter |
| 01/19/2005 | CN2672935Y Real time monitor for small hydropower station |
| 01/19/2005 | CN1568122A High power factor group control method for ordinary energy-saving lamp |
| 01/19/2005 | CN1567670A Electric inductance-diode buffer circuit adapted for miscellaneous power factor correcting circuit |
| 01/19/2005 | CN1185782C Operation method for power supply system with parallel connected inverter and power change-over system |
| 01/19/2005 | CN1185421C Power changing system for two-way changing between hydraulic energy and electric energy |
| 01/18/2005 | US6845299 Computer-assisted configuring tool |
| 01/18/2005 | US6844794 Harmonic mitigating filter |
| 01/13/2005 | WO2005004317A2 Frequency converter for high-speed generators |
| 01/13/2005 | US20050010334 Energy-saving service offering method and apparatus therefor |
| 01/13/2005 | US20050007795 Reduction of energization transients in a three phase Y-connected load |
| 01/13/2005 | US20050007715 Electronic switch |
| 01/13/2005 | US20050007712 Apparatus for controlling multi-outlet power strip |
| 01/13/2005 | US20050006958 Grid-connected power systems having back-up power sources and methods of providing back-up power in grid-connected power systems |
| 01/13/2005 | US20050006954 Aircraft secondary electric load controlling system |
| 01/12/2005 | EP1495524A1 Compensation method for a voltage unbalance |
| 01/12/2005 | CN2671201Y Intelligent composite switch with reactive compensation |
| 01/12/2005 | CN2671200Y Magnetic valve reactance dynamic thysitor reactive compensator |
| 01/12/2005 | CN1564418A Antomatic quasi-simultaneous interconnecting method of leftover pressure turbine generating unit of high furnace gas |
| 01/12/2005 | CN1564417A Method of secondary side connecting reactive power generator of smelting transformer |
| 01/12/2005 | CN1564416A Reactive optimizing method of power system based on coordinate evolution |
| 01/12/2005 | CN1564415A Unified constant frequency integral controlled 3-phase 4-line active power filter control method |
| 01/12/2005 | CN1564414A High-low voltage power harmonic two-way suppresser |
| 01/11/2005 | US6841976 Multi-line power flow transformer for compensating power flow among transmission lines |
| 01/11/2005 | US6841275 Method and apparatus for controlling voltage from a fuel cell system |
| 01/06/2005 | WO2005002039A1 Electric motor drive system |
| 01/06/2005 | WO2005002038A1 Motor drive system |
| 01/06/2005 | WO2005002037A1 Motor drive system |
| 01/06/2005 | WO2005002022A1 Voltage collapse diagnostic and atc system |
| 01/06/2005 | WO2005002021A1 Supply-line filter |
| 01/06/2005 | WO2004023622B1 System of super super decoupled loadflow computation for electrical power system |
| 01/06/2005 | US20050001694 Power line communication system and method of operating the same |
| 01/06/2005 | US20050001486 Power and/or energy monitor, method of using, and display device |
| 01/05/2005 | EP1494332A2 Power management topologies |
| 01/05/2005 | EP1494331A2 Aircraft secondary electric load controlling system |
| 01/05/2005 | EP1493921A1 Method for operating a wind energy plant |
| 01/05/2005 | EP1493217A2 On-line control of distributed resources with different dispatching levels |
| 01/05/2005 | EP1493216A2 On-line control of distributed resources with different dispatching levels |
| 01/05/2005 | DE10327225A1 DC voltage step-down converter for single-phase inverter has voltage varying between null, maximum according to desired time function, superimposed current varying according to desired time function |
| 01/05/2005 | CN2669451Y Compensation controller for rapid tracking dynamic power factor compensation equipment |
| 01/05/2005 | CN2669450Y Transistor direct-control capacitor current type static reactive-load compensation equipment |
| 01/05/2005 | CN1560981A Dynamic compensator for voltage down and surge |
| 01/05/2005 | CN1560980A Transient stable control method for power system with superconductive energy-stroage device |
| 01/05/2005 | CN1560979A Phase-sequence adaptive symmetrical components reactive power compensation device |
| 01/05/2005 | CN1560978A Distribution type integrated electric energy quality regulator |
| 01/04/2005 | US6838860 Power generating system including permanent magnet generator and shunt AC regulator |
| 01/04/2005 | US6838611 Solar battery module and power generation apparatus |
| 12/30/2004 | US20040267513 Automatic creation of a design for a high or medium voltage power transmission network |
| 12/30/2004 | US20040267408 Method of distributing energy for a building, energy management system, system for satisfying the energy requirements of a building, and micro-cogeneration system |
| 12/30/2004 | US20040264089 Interconnecting power generation system |
| 12/30/2004 | US20040264083 System for control performance standards |
| 12/30/2004 | US20040264082 Method and apparatus for capture of grid characteristics corresponding to fluctuation events |