| Patents for H02J 3 - Circuit arrangements for ac mains or ac distribution networks (38,663) |
|---|
| 05/21/2004 | WO2004042890A1 Direct turbogenerator |
| 05/21/2004 | WO2004042889A1 Hybrid power flow controller and method |
| 05/21/2004 | WO2004042885A1 Intelligent power system |
| 05/21/2004 | WO2004042883A1 Protective relay |
| 05/21/2004 | WO2004023622A3 System of super super decoupled loadflow computation for electrical power system |
| 05/21/2004 | WO2002069471A8 Method, system and computer program for load management |
| 05/21/2004 | CA2504440A1 Uninterrupted power supply with power-factor correcting bypass mode |
| 05/20/2004 | US20040098169 Operation assisting system and operation-assisting computer program |
| 05/20/2004 | US20040098142 Arbitrage control system for two or more available power sources |
| 05/20/2004 | US20040095023 Intelligent power system |
| 05/19/2004 | CN2617069Y Raid intelligent power factor dynamic compensating device |
| 05/19/2004 | CN2617068Y Oil-field power load hypernormal directional digital controlled dynamic compensating device |
| 05/19/2004 | CN1497259A Direct earth detector and system connecting generating device using it |
| 05/18/2004 | US6738269 Line linkage protective device for electricity generation equipment |
| 05/18/2004 | US6737767 Synchronous compensation |
| 05/18/2004 | US6737761 Power load control system |
| 05/13/2004 | WO2004040731A1 Method and apparatus for control of an electric power system in response to circuit abnormalities |
| 05/13/2004 | US20040093125 Method and apparatus for power managment control of a compressor-based appliance that reduces electrical power consumption of an appliance |
| 05/13/2004 | US20040090725 Protection of an electric power transmission network |
| 05/13/2004 | US20040090213 Current modulation of direct current transmission lines |
| 05/12/2004 | EP1418477A1 Method for controlling an electric power transmission network |
| 05/12/2004 | CN1496599A A network comprising compensated power cable sections |
| 05/11/2004 | US6735704 Autonomic control of power subsystems in a redundant power system |
| 05/11/2004 | CA2314559C Power supply system switching device and method of switching between power supply systems |
| 05/11/2004 | CA2299219C Series compensator |
| 05/06/2004 | WO2004038892A2 Hybrid variable speed generator/uninterruptible power supply power converter |
| 05/06/2004 | WO2004038880A1 Apparatus and method for modifying a power flux in an electrical transmission line section |
| 05/06/2004 | WO2003084022B1 Energy management system and method |
| 05/06/2004 | US20040088623 Digital signal voting scheme |
| 05/06/2004 | US20040088388 Electronic device operation environment presetting system and method thereof |
| 05/06/2004 | US20040088083 System and method for controlling power demand over an integrated wireless network |
| 05/06/2004 | US20040085785 Power supply apparatus and methods with power-factor correcting bypass mode |
| 05/06/2004 | US20040085703 Multi-pulse HVDC system using auxiliary circuit |
| 05/06/2004 | US20040084965 Hybrid variable speed generator/uninterruptible power supply power converter |
| 05/06/2004 | EP1416604A2 Electric circuit for a driven generator with segmented stator |
| 05/06/2004 | EP1416603A1 Protection of an electric power transmission network |
| 05/06/2004 | EP1415379A1 Coordinating renewable power production with a standard power grid |
| 05/06/2004 | EP1159779B1 Method, system and device for managing the consumption of electric energy in a domestic environment |
| 05/06/2004 | EP0888628B1 Transformer/reactor |
| 05/05/2004 | CN1494190A Dispersed power supply system |
| 05/05/2004 | CN1148691C Creation method and apparatus of network configuration for power system |
| 05/05/2004 | CA2411132A1 Direct turbogenerator |
| 05/04/2004 | US6732019 Business management system and method for a deregulated electric power market using online diagnostic services |
| 05/04/2004 | US6731522 Power generation apparatus using permanent-magnet generator |
| 04/29/2004 | WO2004036716A1 Active eliminating apparatus for harmonic component |
| 04/29/2004 | WO2004036475A2 Scheduling a process according to time-varying input prices |
| 04/29/2004 | US20040083087 Simulation of an electrical power transmission network |
| 04/29/2004 | US20040080165 Turbogenerator/motor controller with ancillary energy storage/discharge |
| 04/29/2004 | DE10296505T5 Steuerung mehrerer Brennstoffzellenkraftwerke an einem Einsatzort zur Schaffung eines dezentralen Betriebsmittels in einem Energieversorgungsnetz Control of multiple fuel cell power plants at a work to the creation of a decentralized resource in a power supply network |
| 04/29/2004 | DE10296295T5 System zum Bereitstellen einer sicheren Energieversorgung für eine kritische Last A system for providing a secure energy supply for critical load |
| 04/28/2004 | EP1414126A1 Method for operating power source system and power source system comprising secondary battery |
| 04/28/2004 | EP1413035A1 Device and method for managing an electrical distribution network |
| 04/28/2004 | CN1492461A Novel switching capacitor AC contactor |
| 04/27/2004 | US6727604 Switching apparatus and method for a segment of an electric power line |
| 04/27/2004 | CA2409514C Method for operating a wind power station and wind power station |
| 04/22/2004 | WO2004034546A1 Harmonic mitigating filter |
| 04/22/2004 | US20040078463 Method and apparatus for minimally invasive network monitoring |
| 04/22/2004 | US20040078153 System and method for monitoring and controlling energy usage |
| 04/22/2004 | US20040076028 Method for regulating an inverter system |
| 04/22/2004 | US20040075343 System and method for power load management |
| 04/22/2004 | DE19813364B4 Energieversorgung für ein Steuerungssystem Power supply for a control system |
| 04/21/2004 | EP1411613A1 Simulation of an electrical power transmission network |
| 04/21/2004 | EP1410490A1 Control system for a power converter and method of controlling operation of a power converter |
| 04/21/2004 | EP1410477A1 Switching apparatus and method for varying a phase line impedance of an electric power transport line section |
| 04/21/2004 | CN1491474A Power system having generator driven by engine |
| 04/21/2004 | CN1491473A Method for operating power source system and power source system comprising secondary battery |
| 04/21/2004 | CN1490924A Energy controlling circuit for switch power supply of plasma displaying board and method thereof |
| 04/21/2004 | CN1490915A Parallel single-phase DC-to-AC converter systems |
| 04/21/2004 | CN1490914A Apparatus for maintaining voltage in AC voltage power supply net and operational method thereof |
| 04/21/2004 | CN1147043C Method and system for inhibiting voltage fluctuation in transmission line |
| 04/20/2004 | US6724097 Method for operating a wind farm |
| 04/15/2004 | WO2004032305A2 Circuit and fault tolerant assembly including such circuit |
| 04/15/2004 | US20040073438 Scheduling a process according to time-varying input prices |
| 04/15/2004 | US20040073387 Determining parameters of an equivalent circuit representing a transmission section of an electrical network |
| 04/15/2004 | US20040071000 Adaptive controller for d-statcom in the stationary reference frame to compensate for reactive and harmonic distortion under unbalanced conditions |
| 04/15/2004 | US20040070370 Method for operating power source system and power source system comprising secondary battery |
| 04/15/2004 | US20040070359 Arrangement for automatically influencing a mains supply and motor drive for said arrangement |
| 04/15/2004 | US20040070281 Method and apparatus for isolating a cogeneration system from a utility source |
| 04/15/2004 | US20040070280 Output suppressing method of a plurality of dispersed power sources and dispersed power source managing system |
| 04/15/2004 | US20040070278 Dual feed power supply systems with enhanced power quality |
| 04/15/2004 | US20040070275 Electric socket control device |
| 04/14/2004 | EP1408597A1 Determining a critical number of similar units in a power network |
| 04/14/2004 | EP1408596A1 Electric energy integral management with optimizer and regulating device |
| 04/14/2004 | EP1408595A1 Determining parameters of an equivalent circuit representing a transmission section of an electrical network |
| 04/14/2004 | EP1408594A2 DC ground fault detector and system-interconnected generation device using the DC ground fault detector |
| 04/14/2004 | CN2612141Y Series capacitance compensator with high series compensatnig degree |
| 04/14/2004 | CN2612140Y Automatic throwing-cutting device of outdoor high voltage compensating capacitor |
| 04/14/2004 | CN2612139Y Central reactive dynatic compensator for fully automatic high voltage distribution |
| 04/14/2004 | CN1489255A Method for making operation of load in spare mode eg. peak-reduced power mode |
| 04/14/2004 | CN1489254A Neural network inverse controller for controlled series capacitance compensating device and configuration method |
| 04/13/2004 | US6721672 Method and apparatus for preventing overloads of power distribution networks |
| 04/13/2004 | US6720673 Voltage island fencing |
| 04/08/2004 | WO2004030178A1 System for providing assured power to a critical load |
| 04/08/2004 | WO2003073454A3 Circuit breaker lockout |
| 04/08/2004 | US20040066664 Circuit arrangement for the static generation of a variable electric output |
| 04/08/2004 | US20040066253 Harmonic mitigating filter |
| 04/08/2004 | US20040066201 Arrangements to detect and respond to disturbances in electrical power systems |
| 04/08/2004 | US20040066094 Co-generated power supply system |
| 04/08/2004 | US20040066093 Method and system for correcting a power factor of a storage subsystem |
| 04/07/2004 | EP1242932A4 User interface to facilitate, analyze and manage resource consumption |