Patents
Sitemap › H02 - Generation, conversion, or distribution of electric power › H02J - Circuit arrangements or systems for supplying or distributing electric power; Systems for storing electric energy › H02J 3 - Circuit arrangements for ac mains or ac distribution networks
Patents for H02J 3 - Circuit arrangements for ac mains or ac distribution networks (38,663)
09/2005
09/28/2005CN1674394A Electricity balancing method and electric system capable of avoiding power-off when power-supply deficiency of electric network
09/27/2005US6950764 Arrangements to detect and respond to disturbances in electrical power systems
09/27/2005US6950730 System for certified use of electrical energy
09/27/2005US6950323 Method for regulating an inverter system
09/27/2005US6949843 Grid-connected power systems having back-up power sources and methods of providing back-up power in grid-connected power systems
09/27/2005CA2393870C Waveform correction filters
09/22/2005WO2005088802A1 Device for the prevention of serious faults in electrical mains supply networks
09/22/2005WO2005088801A1 Electric power system protective device
09/22/2005WO2005088413A1 System for controlling processes of power distribution produced by an electric power system
09/22/2005US20050209951 System and method for creating a cost-effective and efficient retail electric power exchange/energy service provider load optimization exchange and network therefor
09/22/2005US20050206433 Apparatus for transferring various direct current voltage levels to digital output voltage levels
09/21/2005EP1578010A2 Method and device for improving efficiency of parallel connected DC-DC converters
09/21/2005EP1576712A1 Method and system for feeding electrical energy into an alternating current electrical mains
09/21/2005CN2728099Y A small power anti-interference circuit
09/21/2005CN2728076Y Current sensing controller for improving power factor
09/21/2005CN2728075Y Intelligent fast multi-capacity reactive power auto compensator
09/21/2005CN2727847Y Intelligent power supplying and electricity stolen proofing network management system
09/21/2005CN1671033A System for controlling the delivery of power to DC computer components
09/21/2005CN1219971C Method for operating wind power station and wind power station
09/21/2005CN1219970C Method and connector arrangement for connecting and disconnecting generator to circuit with existing alternating current
09/20/2005US6947812 Computer-assisted support method for projecting an electric line system
09/20/2005US6946751 Wind power generation system
09/20/2005US6946750 Wind power plant having a power generation redundancy system
09/15/2005WO2005085970A1 Automatic power factor correction using power measurement chip
09/15/2005WO2005085634A1 System for regulating the active power of a wind farm
09/15/2005WO2005050100A3 Domestic heat and power generation system
09/15/2005WO2004079549B1 Electricity market-oriented dc-segmentation design and optimal scheduling
09/15/2005US20050201130 Compensation method for a voltage unbalance
09/15/2005US20050201029 Reduction of energization transients in a three phase power system
09/15/2005US20050200337 Power converter circuit and associated triggering method for generators with dynamically variable power output
09/15/2005US20050200133 Separate network and method for operating a separate network
09/15/2005DE10393689T5 Steuervorrichtung für eine automatische Maschine A control apparatus for an automatic machine
09/15/2005DE102004009896A1 Inductive contactless energy transmission system primary line has compensating capacitance formed by double length coaxial conductors
09/14/2005EP1574927A1 Power factor correction system
09/14/2005EP1574672A2 Active anti-islanding system for an electrical power plant and his method
09/14/2005EP1573878A1 Hybrid power flow controller and method
09/14/2005CN2726197Y Reactive power automatic compensation power box
09/14/2005CN1667337A Intellectualized dynamic reactive compensation method for electric furnace
09/13/2005US6944004 Arrangements to detect and respond to disturbances in electrical power systems
09/09/2005WO2005083867A1 Electric storage augmentation of fuel cell response to ac system transients
09/09/2005WO2005083864A2 Scr-based static transfer switch device and method
09/08/2005US20050197742 Methods and systems for the management of a bulk electric power market
09/08/2005US20050195624 Method and arrangement in connection with network inverter
09/08/2005US20050194944 Dynamic reactive compensation system and method
09/08/2005US20050194940 Method and a connector arrangement for connecting and disconnecting a generator to a circuit with an existing alternating current
09/08/2005US20050194939 Method and circuit for using polarized device in AC applications
09/08/2005US20050194838 System and method for reducing radiation when distributing broadband communication signals over power lines
09/08/2005US20050194789 Active anti-islanding system and method
09/07/2005EP1571746A1 Active power regulating system of a wind farm
09/07/2005EP1571745A1 Power consumption management method
09/07/2005EP1570561A2 Interconnecting power generation system
09/07/2005EP1393083A4 Utility usage rate monitor
09/07/2005CN2724277Y Power source time sequence controller special for metro and light rail broadcast system
09/07/2005CN2724276Y Intelligent public electricity distributor
09/07/2005CN1665112A Autocompensation and harmonic wave shielding converter transformer
09/07/2005CN1665096A Digitalized active power regulating energy-saving device
09/07/2005CN1665095A A comprehensive electric energy quality regulator
09/07/2005CN1218460C Converter circuit structure with direct voltage intermediate circuit
09/06/2005US6941233 Arrangements to detect and respond to disturbances in electrical power systems
09/06/2005US6940735 Power converter system
09/06/2005US6940734 Power converter
09/06/2005US6940380 Transformer/reactor
09/06/2005US6940341 Current control method and apparatus for active power filters
09/06/2005US6940272 Electric socket control device
09/06/2005US6940187 Robust controller for controlling a UPS in unbalanced operation
09/01/2005WO2005081394A1 Matched reactance machine power- generation system
09/01/2005WO2005081388A1 Device for covering the peak load
09/01/2005US20050192713 Power consumption management method
09/01/2005US20050192712 Energy-saving service offering method
09/01/2005US20050192711 System and method for residential emissions trading
09/01/2005US20050190584 Versatile modular programmable power system for wireline logging
09/01/2005US20050189818 Semiconductor circuit device having hierarchical power supply structure
08/2005
08/31/2005CN1662735A Power fluctuation suppressing method and power generation facility using same
08/31/2005CN1217232C Monomer for cross-linkage agent containing double bond and photoresist copolymer containing same
08/30/2005US6937945 Electrical power transmission
08/25/2005WO2005078889A1 Power converter
08/25/2005US20050187727 Energy management method
08/25/2005US20050187726 Detecting electromechanical oscillations in power systems
08/25/2005US20050185349 Control and supply system
08/25/2005US20050184594 Electric storage augmentation of fuel cell response to AC system transients
08/25/2005US20050184592 Static transfer switch device and method
08/25/2005US20050184589 Method of supplying electric power from shore to ship and system thereof
08/25/2005US20050184588 Power supply unit and lighting device for vehicle
08/24/2005EP1566875A1 Energy management method
08/24/2005EP1565979A1 Auxiliary power supply
08/24/2005CN1659770A Current-compensated choke and circuit arrangement comprising the current-compensated choke
08/24/2005CN1658472A Ordered electric-using five-stage early warning plane control device based on remote radio communication platform
08/24/2005CN1658466A Power system neutral point compound operation method
08/24/2005CN1658465A Photovoltaic parallel network device having reactive and harmonic compensation function
08/23/2005US6933627 High efficiency lighting system
08/23/2005CA2192189C Structure and method for performing active injection mode filtering on an ac power system
08/18/2005WO2005076445A1 Decentralized power generation system
08/18/2005WO2005076444A1 Dc/dc converter and decentralized power generation system comprising a dc/dc converter
08/18/2005WO2005076432A1 Switch and system for controlling electrical loads
08/18/2005WO2005076431A1 Switching system for controlling electrical loads
08/18/2005WO2005076429A1 Apparatus for connecting a prime mover driven alternator to a circuit with an existing alternating current
08/18/2005US20050181839 Devices and methods for simultaneous battery charging and data transmission in a mobile terminal
08/18/2005US20050180075 Maintaining minimum electrical service while preventing a blackout
08/18/2005US20050179420 Gas turbine generating apparatus
08/18/2005US20050179418 Matched reactance machine power-generation system
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