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)
07/2003
07/15/2003CA2367816A1 Controllable broad-spectrum harmonic filter (cbf) for electrical power systems
07/10/2003WO2003056681A1 On-line control of distributed resources with different dispatching levels
07/10/2003WO2003056680A2 On-line control of distributed resources with different dispatching levels
07/10/2003WO2003056671A2 On-line control of distributed resources with different dispatching levels
07/10/2003WO2003056481A2 Optimized dispatch planning of distributed resources in electrical power systems
07/09/2003EP1040564B1 Wind turbine and method for operating a wind turbine
07/09/2003CN1428910A Thyratron throw-over capacitor group compensating equipment
07/09/2003CN1114254C At least one-phase system for measuring electrical load
07/08/2003US6590304 Electrical peak load distributor
07/03/2003WO2003055027A1 Conduit bushing
07/03/2003WO2003054766A1 A method and a system for trading energy contracts in an exchange
07/03/2003WO2003032475A3 Power conversion apparatus, power conversion system, and islanding operation detection method
07/03/2003US20030126060 System, method and computer program product for enhancing commercial value of electrical power produced from a renewable energy power production facility
07/03/2003US20030125886 Method and apparatus for preventing overloads of power distribution networks
07/03/2003US20030125844 Computer-assisted configuring tool
07/03/2003US20030122528 Reactive power compensator
07/03/2003US20030122433 Power factor control of an induction motor
07/03/2003CA2468781A1 A method and a system for trading energy contracts in an exchange
07/02/2003EP1324459A2 Reactive power compensator
07/02/2003EP1324458A2 A method of the identification of weak and/or strong branches of an electric power transmission system
07/02/2003EP1324457A2 A method of the identification of weak and/or strong nodes of an electric power system
07/02/2003EP1324456A1 System and method for power generation control, program, and medium
07/02/2003EP1324455A1 Electric power transmission network state estimation
07/02/2003EP1323222A1 Island network and method for operation of an island network
07/02/2003CN2559156Y Flame-proof contactless dynamic reactive power compensation device
07/02/2003CN2559155Y Universal intelligent power saver
07/02/2003CN1427520A Estimating of power transmission net state
07/01/2003CA2067002C Multiple circuit overload protection device
06/2003
06/26/2003US20030120440 Electric power transmission network state estimation
06/26/2003US20030120370 Electric power consumer data analyzing method
06/26/2003US20030117228 Circuit component and transformer device with controllable impedance and with systems equipped with such devices
06/25/2003CN1426150A 变换器电路 Converter circuit
06/25/2003CN1426149A Automatic low frequency (low voltage) load reducing control new mode and its synchronizing calculation method
06/25/2003CN1426013A Method and system for providing effective distribution operation service
06/25/2003CN1112750C Reactive power compensator of contactless switch
06/24/2003US6583996 Method and system for detecting a negative sequence for three phase grid-connected inverter systems
06/24/2003US6583995 Permanent magnet generator and generator control
06/24/2003US6583521 Energy management system which includes on-site energy supply
06/19/2003WO2003050831A1 Method for predicting a future voltage and/or current curve
06/19/2003US20030113599 Method and apparatus for multiple mode control of voltage from a fuel cell system
06/19/2003US20030113594 Method and apparatus for controlling voltage from a fuel cell system
06/19/2003US20030111907 Cross current compensation control system for a power system
06/19/2003US20030111103 Alternating current photovoltaic building block
06/18/2003EP1222389B1 Method for operating a wind farm
06/18/2003CN1424797A Wind power system and method for operating the same
06/18/2003CN1111934C Complementary electric saver
06/12/2003WO2003049248A2 System for remotely controlling energy distribution at local sites
06/12/2003WO2003049130A1 Advanced power distribution system
06/12/2003WO2003048792A1 Method and apparatus for detecting loss of synchronism in power system
06/12/2003WO2001098851A9 System and method for monitoring and controlling energy distribution
06/12/2003US20030110146 Method of providing service which makes power distribution operation effective, and system
06/12/2003US20030110118 Method and a system for trading energy contracts in an exchange
06/12/2003US20030109965 Distributed power delivery system
06/12/2003CA2507957A1 System for remotely controlling energy distribution at local sites
06/11/2003EP1318589A1 Wind energy system and method for operating such a system
06/11/2003EP1318588A2 A method and a device for compensation of the comsumption of reactive power by an industrial load
06/11/2003CN2555577Y 无功功率动态补偿控制器 Dynamic reactive power compensation controller
06/11/2003CN1423855A Method and system for providing voltage support to a load connected to a utility power network
06/10/2003US6577487 Reduction of harmonics in AC machines
06/10/2003US6577108 Voltage regulation of a utility power network
06/09/2003CA2420486A1 Mobile power source
06/05/2003WO2003047065A1 Voltage controller
06/05/2003US20030105608 Phasor transducer apparatus and system for protection, control, and management of electricity distribution systems
06/05/2003US20030105567 Mobile energy management system
06/05/2003US20030103303 Apparatus and installation method to optimize residential power factor
06/05/2003US20030102847 Method and a connector arrangement for connecting and disconnecting a generator to a circuit with an existing alternating current
06/05/2003US20030102716 Parallel generator power system
06/05/2003US20030102675 Power generators and method and device for generating power
06/05/2003US20030102672 Low-energy storage fast-start uninterruptible power supply method
06/04/2003EP1316132A1 System and device for monitoring at least one household electric user, in particular a household appliance
06/03/2003US6573691 Control system and method for voltage stabilization in electric power system
06/03/2003US6573690 Feedback controlled power compensation apparatus
06/03/2003CA2274184C Meter collar with interface for connecting on-site power source and the interface itself
05/2003
05/30/2003WO2003044612A1 Device with controllable impedance
05/29/2003US20030101009 Apparatus and method for determining days of the week with similar utility consumption profiles
05/29/2003US20030101008 Phasor transducer apparatus and system for protection, control, and management of electricity distribution systems
05/29/2003US20030098672 Method and a device for compensation of the consumption of reactive power by an industrial load
05/29/2003US20030098671 Anti-islanding detection scheme for distributed power generation
05/28/2003EP0689689B1 Energy saving power control system
05/28/2003CN2553556Y Electric power-increasing device
05/28/2003CN2553555Y Reactive power dynamic compensating regulator
05/28/2003CN2553554Y Universal electricity-saving device for electric power line
05/28/2003CN2553553Y Corridor public electric energy equipartition apparatus controlled by computer
05/28/2003CN2553498Y Low voltage composite switch
05/28/2003CN1421065A 同步补偿 Synchronous Compensator
05/28/2003CN1421016A Systems for and method of insuring risks in restructured energy industry
05/28/2003CN1110115C Control signal processing device and electric power system stabilizer
05/28/2003CN1109945C Method of monitoring functional capability of tap selector
05/27/2003US6571153 Electric power system protective control system, method of controlling electric power system protective control system and storage medium storing program module
05/27/2003US6571152 Creation method and apparatus of network configuration for power system
05/27/2003US6570270 Power conditioner for solar power generation system
05/27/2003US6570269 Method and apparatus for supplying power to a load circuit from alternate electric power sources
05/22/2003WO2003043170A2 Redox flow battery system and method of operating it
05/22/2003WO2003042892A2 Electronic trading confirmation system
05/22/2003US20030095424 Converters
05/22/2003US20030095367 Electric load management center
05/22/2003CA2467143A1 Electronic trading confirmation system
05/22/2003CA2466509A1 System for storing and/or transforming energy from sources at variable voltage and frequency
05/21/2003EP1313206A2 Circuit arrangement
05/21/2003EP1312022A1 Method to enable customers to respond to prices in a pool type energy market
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