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)
11/2005
11/10/2005US20050248968 Voltage adapter capable of conserving power consumption under standby mode
11/09/2005EP1592982A2 System and method for identifying and locating an acoustic event
11/09/2005EP1379780B1 Method for operating a wind energy plant
11/09/2005CN2739861Y 35 KV reactive compensating device
11/09/2005CN2739860Y Transformer type adjustable reactor and static reactive compensator comprising same
11/09/2005CN2739859Y High-capacity static reaction generator
11/09/2005CN2739858Y Electric energy quality regulator
11/09/2005CN1694329A Double-tunnel filter based on controllable reactor
11/08/2005US6963475 Monitoring and control for power electronic system
11/08/2005US6963204 Method to include delta-I noise on chip using lossy transmission line representation for the power mesh
11/08/2005US6963187 Hybrid power flow controller and method
11/08/2005CA2231618C Load distribution and management system
11/03/2005US20050246068 System for aiding the preparation of operation and maintenance plans for a power generation installation
11/03/2005US20050243584 Inverter controlling method
11/03/2005US20050242797 Switching converter having at least two converter stages
11/03/2005US20050242781 Power fluctuation suppressing method and power generation facility using same
11/03/2005US20050242776 Multi-series battery control system
11/03/2005US20050242667 Multi-series battery control system
11/03/2005DE202004020653U1 Electrical power quality field device exchanges secure data with external unit using removable memory device
11/02/2005EP1592122A2 Inverter controlling method
11/02/2005EP1592120A2 Apparatus for controlling the power used in required operating conditions that vary over time, particularly for supplying power to lighting systems
11/02/2005EP1592106A1 Device for connecting an electric load to a power source
11/02/2005CN2738449Y Voltage series dynamic compensating device
11/02/2005CN2738448Y Smelting furnace power compensation apparatus
11/02/2005CN2738447Y Series active electric wave filter
11/02/2005CN1692317A Automatic energy management and energy consumption reduction, especially in commercial and multi-building systems
11/02/2005CN1691487A Inverter controlling method
11/02/2005CN1691464A Electric power control apparatus, power generation system and power grid system
11/01/2005US6960843 Parallel operating system for uninterruptible power units
10/2005
10/27/2005WO2005101607A1 Load interrupter upon lowering of frequency
10/27/2005US20050240315 Interactive system for managing and remotely connecting customer utility loads
10/27/2005US20050236838 Protection for wind power station
10/27/2005DE102004017146A1 Schaltwandler mit wenigstens zwei Wandlerstufen Switching Converters with at least two converter stages
10/27/2005CA2558356A1 Load interrupter upon lowering of frequency
10/26/2005EP1589630A2 Protection for wind power station
10/26/2005EP1588467A1 A device and a method for power balancing
10/26/2005EP1310032B1 Circuit arrangement for the static generation of a variable electric output
10/26/2005EP1264103B1 A method and a connector arrangement for connecting and disconnecting a generator to a circuit with an existing alternating current
10/26/2005CN2737047Y Power supply mis-plug alarm and power supply system
10/26/2005CN1225071C Thyratron throw-over capacitor group compensating equipment
10/26/2005CN1224802C Combined household utensil, its control and mounting method
10/25/2005CA2238739C Polyphase static var compensator arrangement
10/20/2005WO2005099063A1 Method for operating a frequency converter of a generator and wind energy turbine having a generator operated according to the method
10/20/2005WO2005015366A3 Real-time performance monitoring and management system
10/20/2005WO2005013055A3 Method and apparatus for trading energy commitments
10/20/2005US20050234599 Electric power control apparatus, power generation system and power grid system
10/20/2005US20050231871 Three-phase power signal processor
10/19/2005EP1585899A2 Power control interface between a wind farm and a power transmission system
10/19/2005EP1585645A1 An arrangement and a method for providing electric power to a vehicle
10/19/2005EP1410477B1 Switching apparatus and method for varying a phase line impedance of an electric power transport line section
10/19/2005EP1194993B1 Method and apparatus for coordinating uninterruptible power supply modules to provide scalable, redundant power
10/19/2005CN2735628Y Serial control device for synchronization and fast switching between microcomputers
10/19/2005CN2735627Y 分布式连续无功发生器 Distributed Continuous Var Generator
10/19/2005CN1684335A Virtual work compensating device
10/19/2005CN1684334A Reactive compensating method for oil pumping distribution grid
10/19/2005CN1684333A Transistor AC power purifying circuit
10/19/2005CN1223921C Control circuit for power sequence generator
10/18/2005US6956305 Voltage fluctuation compensating apparatus
10/13/2005WO2005096467A1 Electric installation for coupling a power supply system and a central direct current branch and method for operating an installation of this type
10/13/2005WO2005096466A1 Residential load power management system
10/13/2005WO2005034318A3 Distributed floating series active impedances for power transmission systems
10/13/2005US20050225090 Island network and method for operation of an island network
10/13/2005DE10393658T5 System zum Bereitstellen gesicherter Leistung für eine kritische Last A system for providing secure power for critical load
10/13/2005DE10156694B4 Schaltungsanordnung Circuitry
10/12/2005EP1585206A1 Rephasing assembly for electrical power grids
10/12/2005CN2733710Y Urban power supply and inversion power supply changeover controller
10/12/2005CN1682420A Low impedance transmission line with a power flow controller
10/12/2005CN1682419A Electrical network protection system
10/11/2005US6954704 Digital protection and control device
10/11/2005US6954008 Integrated power supply apparatus for information appliances
10/11/2005CA2273167C Apparatus for and method of evenly distributing an electrical load across an n-phase power distribution network
10/06/2005WO2005093924A1 Power system for area containing a set of power consumers
10/06/2005US20050218908 Method to include delta-i noise on chip using lossy transmission line representation for the power mesh
10/06/2005US20050218725 Control of integrated supply voltage regulation due to on-chip internal resistance fluctuations in integrated circuits
10/06/2005DE102004013243A1 Verfahren und Vorrichtung zur Wirkungsgradverbesserung parallelgeschalteter Gleichspannungswandler Method and device for improvement in efficiency of parallel-connected DC-DC converter
10/06/2005DE102004013131A1 Windkraftanlage Wind Turbine
10/05/2005EP1581842A2 Circuit protection system
10/05/2005CN2731805Y Three-phase power saving device having regulation function
10/05/2005CN1679222A 有源emi滤波器 Active emi filter
10/05/2005CN1677787A 电压补偿装置 Voltage compensation device
10/05/2005CN1222100C Great-power switch power supply device with no electromagnetic pollution
10/05/2005CN1222094C System connector
10/05/2005CA2464836A1 A novel system for analysis and synthesis of power system signals
10/04/2005US6952648 Power disruption index
09/2005
09/29/2005WO2005091490A1 Wind energy unit
09/29/2005WO2005091485A1 Inverter system
09/29/2005WO2005091101A1 Dynamic reactive compensation system and method
09/29/2005US20050216131 Residential load power management system
09/29/2005US20050213272 Power generation system, and administration apparatus and administration method of power generation system
09/29/2005US20050212494 Reactive power compensator device
09/29/2005DE102004011551A1 Einrichtung zur Prävention von Großstörungen in elektrischen Versorgungsnetzen Means for prevention of major faults in electrical supply networks
09/29/2005CA2560073A1 Wind energy unit
09/28/2005EP1580862A1 Master/slave control of parallel connected solar battery modules
09/28/2005EP1579547A1 Uninterruptable power supply and generator system
09/28/2005EP1224721B1 Method for controlling the reactive power and device for generating electrical energy in an electrical network
09/28/2005CN2729991Y Reactive compensation comprehensive control box for distribution
09/28/2005CN2729990Y Outdoor box-type complete capacitor device
09/28/2005CN2729989Y Non-contact switch low-voltage distribution apparatus with monolithic apparatus
09/28/2005CN1674396A Capacitor and series reactor synchronous capacitance and reactance modulation switch
09/28/2005CN1674395A Modular parallel digital control electric harmonic wave active suppressing method and apparatus
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