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)
05/2003
05/21/2003CN2552230Y Insulation structure
05/21/2003CN2552229Y Insulation device
05/21/2003CN1419328A Reactive compensation method for countryside electric network
05/21/2003CN1109390C Device and method for stabildizing electric power system
05/20/2003US6566769 Three phase flat cable inductance balancer
05/20/2003US6566633 Thermal control apparatus and method for thermally controlling a plurality of objects within a predetermined temperature range
05/15/2003WO2003040838A1 Electric power control apparatus
05/15/2003US20030093362 Electronic trading confirmation system
05/15/2003US20030093332 Business management system and method for a deregulated electric power market
05/15/2003US20030093232 Energy coordination system
05/15/2003US20030090156 Current adjusting apparatus and current adjusting method
05/15/2003US20030090155 Electric power system interconnection device
05/14/2003EP1310032A1 Circuit arrangement for the static generation of a variable electric output
05/14/2003EP1309902A1 System and method for monitoring and controlling energy distribution
05/14/2003CN2550944Y Low frequency symmetric harmonic wave under 40 and odd hormonic suppressor
05/14/2003CN1418288A Method and connector arrangement for connecting and disconnecting generator to circuit with existing alternating current
05/14/2003CN1417918A System connector
05/14/2003CN1417910A Power distribution equipment monitoring control system
05/14/2003CN1108547C Voltage reactive comprehensive controller by microcomputer
05/14/2003CN1108485C Wall microwave oven and control method for output thereof
05/13/2003US6563722 System and method for compensating for line imbalances in line commutated converters
05/13/2003US6563234 Power system stabilization system and method employing a rechargeable battery system
05/08/2003WO2003038970A2 Anti-islanding techniques for distributed power generation
05/07/2003EP1309063A1 System for feeding power from DC current generators into the AC network
05/07/2003EP1309062A2 Apparatus and method for determining days of the week with similar utility consumption profiles
05/07/2003EP1057248B1 Impedance angle control method
05/07/2003CN2549641Y Electric supply monitoring systems
05/07/2003CN1416610A Electricity bill control device and recording medium therefor
05/07/2003CN1416214A Running backup system
05/06/2003US6560128 Ferroresonance-suppressing static transfer switch
05/06/2003US6559622 System for preventing overreach of protection for series compensated power lines
05/06/2003US6559619 Energy management controller
05/06/2003US6559561 Method and a device for damping power oscillations in transmission lines
05/06/2003US6559559 Power system utilizing a DC bus
05/06/2003CA2228397C A device for connecting a vsc converter to a source of alternating voltage
05/02/2003EP1305864A1 System of and method for power management
05/02/2003EP0836486B1 Power management system for a dialysis machine
05/01/2003WO2003036775A1 Improvements in and relating to control apparatus for power supply systems
05/01/2003WO2003036688A2 Alternating current photovoltaic building block
05/01/2003WO2002087062A3 Current inverter
05/01/2003US20030083788 Operation support system and method
05/01/2003US20030083787 Operation support system
05/01/2003US20030080741 Anti-islanding techniques for distributed power generation
05/01/2003US20030080629 Stabilization circuit for compensating fluctuations in a voltage at a user
05/01/2003CA2463955A1 Improvements in and relating to control apparatus for power supply systems
04/2003
04/30/2003CN2548346Y Intelligent reactive power automatic-compensation controller
04/30/2003CN1415131A Method and circuit for using polarized device in AC applications
04/30/2003CN1414679A Control method of wattless compensation device and equipment
04/28/2003WO2002037640A1 Control and supply system
04/28/2003CA2427171A1 Control and supply system
04/24/2003WO2003034566A1 Control system and method for voltage stabilization
04/24/2003WO2003034523A1 Home-use fuel cell system
04/24/2003WO2002091543A3 A system for electric energy distribution
04/24/2003US20030078797 Power supply/demand control system
04/24/2003US20030078698 Electrical energy control system
04/24/2003US20030077493 Methods of using fuel cell system configured to provide power to one or more loads
04/24/2003US20030076075 Control system and method for voltage stabilization in electric power system
04/23/2003EP1099290B1 Integrated mode control for micropower systems
04/23/2003CN2547050Y Insulation apparatus
04/23/2003CN1412634A Stabilivolt circuit
04/17/2003WO2003032475A2 Power conversion apparatus, power conversion system, and islanding operation detection method
04/17/2003WO2003032463A1 Method for assisting in planning of power supply schedule
04/17/2003WO2003032429A2 Method and system for bridging short duration power interruptions
04/17/2003WO2002052375A3 Systems and methods for trading electrical transmission rights
04/17/2003US20030074304 Electric power trading market system and electric power trading method
04/17/2003US20030074244 Distributed energy technology assurance
04/17/2003US20030074110 System and method for user control of electrical utility demand - side management
04/17/2003US20030072977 Method and system for controlling and recovering short duration bridge power to maximize backup power
04/16/2003EP1303031A2 Commutated electronic power converter
04/16/2003EP1301983A1 Power system utilizing a dc bus
04/16/2003CN1411627A Energy conserving motor controller
04/16/2003CN1411129A Medium and high voltage power conversion method and device
04/16/2003CN1411118A Current transformer DC side voltage closed loop control method of active power filter and system
04/16/2003CN1106063C Compensation device and power transmission system using one compensation device
04/15/2003US6549880 Reliability of electrical distribution networks
04/15/2003US6549441 Voltage switch-over device
04/15/2003US6549434 Harmonic mitigating method and apparatus
04/15/2003US6548989 Method and circuit for using polarized device in AC applications
04/15/2003US6548988 Method and circuit for using polarized device in AC applications
04/10/2003WO2003030509A1 Interactive system for managing and remotely connecting customer utility loads
04/10/2003WO2003030341A2 Induction generator power supply
04/10/2003WO2003030329A1 Method for operating a wind park
04/10/2003WO2002097942A3 A generator system and method of operating such a generator system
04/10/2003US20030067285 Reactive power compensation to minimize step voltage changes and transients
04/10/2003CA2460724A1 Method for operating a wind park
04/09/2003EP1300935A2 Energy saving power control system
04/09/2003EP1299938A1 Active filter and method for suppressing current harmonics
04/09/2003CN2544452Y Low-voltage idle dynamic compensator
04/09/2003CN2544451Y Electricity saving device
04/09/2003CN2544450Y Secondary low-voltage compensator for electric furnace
04/09/2003CN2544449Y Intelligent current-linited low-voltage electric power capacitor switch
04/09/2003CN1105413C Rotating electrical machine plant
04/09/2003CN1105411C Electric power system protection and control system and method, and storage medium for program module
04/08/2003US6546312 Method for installing and removing automatic lift-type mobile facility, method of automatic lift-type power generation, and automatic lift-type mobile facility
04/08/2003US6545887 Unified constant-frequency integration control of three-phase power factor corrected rectifiers, active power filters and grid-connected inverters
04/08/2003US6545885 Isolated operation prevention device for distributed power supply and interharmonic detection method
04/08/2003US6545880 Cryogenic power distribution system for large structure
04/03/2003WO2003028202A1 Power generating system including permanent magnet generator and shunt ac regulator
04/03/2003WO2002075881A3 Computer-assisted support method for projecting an electric line system
04/03/2003WO2002054561A8 System, method and computer program product for enhancing commercial value of electrical power produced from a renewable energy power production facility
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