| Patents for H02J 3 - Circuit arrangements for ac mains or ac distribution networks (38,663) |
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| 05/11/2006 | US20060096953 Installation for trasmission of electric power |
| 05/11/2006 | DE202005020612U1 Device for controlling mains voltage failure has monitoring device for monitoring and control unit which slows down working of process elements in plant whereby change in kinetic energy of elements is thus converted into electrical energy |
| 05/11/2006 | DE102004052700A1 Mehrphasen-Netzfilter Polyphase line filter |
| 05/10/2006 | EP1654798A1 Method and inverter for supplying alternating current to a network |
| 05/10/2006 | CN2779702Y An active power filter based on mixed type harmonic detection |
| 05/10/2006 | CN2779698Y Energy-saving device for power supply quality control and improvement |
| 05/10/2006 | CN1771641A Generator system |
| 05/10/2006 | CN1770585A Variable-speed constant-frequency doubly-fed generator system and its parallel network controlling method |
| 05/10/2006 | CN1770584A Method for compensating coil drop induction voltage and contact arc-suppression for three-phase voltage regulator |
| 05/09/2006 | US7043381 Substation system |
| 05/09/2006 | US7043340 Protection system for power distribution systems |
| 05/09/2006 | US7042204 Voltage source and current source with capacitor |
| 05/09/2006 | US7042176 Vehicle |
| 05/09/2006 | US7042111 System, method and apparatus for a redundant prime mover system |
| 05/09/2006 | US7042110 Variable speed distributed drive train wind turbine system |
| 05/04/2006 | WO2006047270A2 Power line communications system and method |
| 05/04/2006 | WO2006047185A2 Power line communications device and method of use |
| 05/04/2006 | WO2006046907A1 Electric power flow control |
| 05/04/2006 | US20060095164 Electrical appliance energy consumption control methods and electrical energy consumption systems |
| 05/04/2006 | US20060090668 Electrical power storage and delivery using magnetic levitation technology |
| 05/04/2006 | DE102004050455A1 Verfahren zum Steuern der Elektronenergiequalität eines elektrischen Energieversorgungsnetzes A method for controlling the electrical power quality of electric power supply network |
| 05/03/2006 | CN2777827Y Ordered electricity use five-stage prewarning scheme controller based on remote-wireless communication platform |
| 05/03/2006 | CN2777821Y Single-phase electronic electricity saver |
| 05/03/2006 | CN1767306A Photoelectricity triggering and detecting system for static reactive-load compensation equipment based on multi-mode optical fibre |
| 05/03/2006 | CN1767305A Static reactive-load compensation equipment monitoring realizing method based on event burst |
| 05/03/2006 | CN1767304A Power factor compensator and compensation method therof |
| 05/03/2006 | CN1767303A Rotary type reactive power adjuster with harmonic restraining function |
| 05/03/2006 | CN1767302A Solid synchronous voltage source for filtering |
| 05/03/2006 | CN1767301A Power system and power converters |
| 05/03/2006 | CN1767296A Protection circuit for preventing thyratron transistor misoperation in SVC system |
| 05/03/2006 | CN1766775A Regulating board of static var compensator based on floating point DSP and FPGA |
| 05/03/2006 | CN1766774A Method for regulating static var compensator of electricity transmission system |
| 05/02/2006 | US7038332 Power discriminating systems |
| 05/02/2006 | US7038330 Protection for wind power station |
| 05/02/2006 | CA2302194C Three-phase dc-to-ac power inverter with three-level poles |
| 04/27/2006 | WO2006042482A2 Wiring diagram for watt and blind current component compensation in the earth fault point and phase-to-ground voltage equalization under failure-free network condition |
| 04/27/2006 | US20060089009 Slipring with a slide track subject to electric loss |
| 04/27/2006 | US20060087178 Electric fence energiser |
| 04/27/2006 | US20060087124 Power control interface between a wind farm and a power transmission system |
| 04/27/2006 | DE102005050140A1 Verfahren und Gerätschaft zur Bereitstellung einer optimierten Lastverteilung und Schadstoffsteuerung Method and apparatus for providing a shaft optimized load distribution and pollution control |
| 04/27/2006 | DE10135286B4 Verfahren und Vorrichtung zur Überbrückung von kurzzeitigen Netzausfällen bei einem Matrixumrichter Method and device for bridging brief power failures in a matrix converter |
| 04/27/2006 | CA2591809A1 Distributed wireless home and commercial electrical automation systems |
| 04/26/2006 | EP1650847A2 Island network and method for operation of an island network |
| 04/26/2006 | EP1649581A1 Compensator device for stabilising the power of alternators in electrical power generating plants |
| 04/26/2006 | EP1649573A1 Method for determining a charge characteristic indicating electric primary components |
| 04/26/2006 | EP1649493A2 Nested voltage island architecture |
| 04/26/2006 | CN2775910Y High voltage reactive automatic compensator |
| 04/26/2006 | CN2775909Y Compensating type power factor correcting circuit |
| 04/26/2006 | CN2775908Y Intelligent dynamic reactive power compensating device |
| 04/26/2006 | CN2775907Y Power source purifier |
| 04/26/2006 | CN1764066A Electromagnetic interference eliminator for power system automation apparatus |
| 04/26/2006 | CN1764058A Method and device for producing electric motor arbitrary mechanical characteristic based on PWM technique |
| 04/26/2006 | CN1764034A Electric wire netting arc extinguishing system |
| 04/26/2006 | CN1253985C Electric generating apparatus |
| 04/25/2006 | US7035719 Tone generating electronic device with paging module for verification of energy curtailment |
| 04/25/2006 | US7034707 System and device for monitoring at least one household electric user, in particular a household appliance |
| 04/25/2006 | US7034510 Method for coupling inverter to alternating voltage |
| 04/20/2006 | WO2006040242A1 Method for controlling the quality of the electron energy of an electrical power supply system |
| 04/20/2006 | US20060082354 Load symmetrization with controllable inductor |
| 04/20/2006 | US20060082348 Reactive power compensation to minimize step voltage changes and transients |
| 04/20/2006 | US20060082222 Rack level power management |
| 04/20/2006 | CA2523935A1 Method and apparatus for providing load dispatch and pollution control optimization |
| 04/19/2006 | EP1444527A4 A method and apparatus for reading and controlling electric power consumption |
| 04/19/2006 | CN2773994Y Solar single-phase sine-wave DC-to-AC inverter connected with power network |
| 04/19/2006 | CN2773970Y Automatic reactive monitoring compensator with high voltage |
| 04/19/2006 | CN2773969Y Electricity-energy quality flexible controller |
| 04/19/2006 | CN2773958Y Boxed variable-capacity substation |
| 04/19/2006 | CN1762081A 功率变换器 Power converter |
| 04/19/2006 | CN1761118A Method for switching highvoltage line without interrupting by introducing second power line |
| 04/19/2006 | CN1761117A Phase checking method for merging electric transmission line into electric grid |
| 04/18/2006 | US7030514 Power transfer switch assembly |
| 04/13/2006 | WO2006037576A1 Wind park with robust reactive power adjustment system and method for the operation thereof |
| 04/13/2006 | WO2006037231A1 System and method of parallel loadflow computation for electrical power system |
| 04/13/2006 | WO2005040992A3 Intelligent power management control system |
| 04/13/2006 | US20060080013 Mobile energy management system |
| 04/13/2006 | US20060078773 Method and system for controlling and recovering short duration bridge power to maximize backup power |
| 04/13/2006 | US20060076835 Shore power access system |
| 04/13/2006 | DE202006001743U1 Clip for securing cable or bunched cable on e.g. motor vehicle bodywork, has molded extension provided on base of U-shaped body |
| 04/13/2006 | DE102004048341A1 Windpark mit robuster Blindleistungsregelung und Verfahren zum Betrieb Wind farm with a robust reactive power control and method of operation |
| 04/13/2006 | DE102004048339A1 Windenergeianlage mit Umrichtersteuerung und Verfahren zum Betrieb Windenergeianlage with inverter control and method of operation |
| 04/12/2006 | EP1149456A4 Electric utility system with superconducting magnetic energy storage |
| 04/12/2006 | CN2772092Y High-voltage static reactive compensating serial SCR order ignition relay trigger device |
| 04/12/2006 | CN2772091Y Power-saving device |
| 04/12/2006 | CN1759516A Power system |
| 04/12/2006 | CN1758500A Electric network current optimization control method |
| 04/11/2006 | US7027992 Method and computerized system for reducing risk in an energy industry |
| 04/11/2006 | US7027279 Combined harmonic filter and phase converter or phase shifting device |
| 04/11/2006 | CA2257794C A method and an apparatus for filtering an electric current supplied to a motor |
| 04/06/2006 | WO2006035018A2 A direct current power transmission system and associated control method |
| 04/06/2006 | US20060071552 Systems and methods for direct current system digital carried message conveyance |
| 04/06/2006 | DE19948694B4 Verfahren zum Erzeugen von einem eine Pendelung in einem elektrischen Energievesorgungsnetz anzeigenden Signal A method for generating a one oscillation to be displayed in an electrical signal Energievesorgungsnetz |
| 04/06/2006 | DE102004046701A1 Regeneratives Energiesystem Regenerative energy system |
| 04/05/2006 | EP1643609A2 Wind energy installation with converter control and method of operation |
| 04/05/2006 | EP1642385A1 A method and a system for automatic management of demand for non-durables |
| 04/05/2006 | EP1642383A2 Frequency converter for high-speed generators |
| 04/05/2006 | EP1642355A2 Power converter for a solar panel |
| 04/05/2006 | EP1402622B1 Method for coupling inverter to alternating voltage |
| 04/05/2006 | EP1364454A4 Mobile power generation system |
| 04/05/2006 | CN1756026A Server, system and method supplied by wide-area instrumenation of electric power system |
| 04/05/2006 | CN1756025A Distributed power generation system using a fuel cell and a method of controlling the same |