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)
08/2005
08/18/2005US20050179264 Hybrid-electric vehicle having a matched reactance machine
08/18/2005DE102004003657A1 Stromrichterschaltungsanordnung und zugehöriges Ansteuerverfahren für Generatoren mit dynamisch veränderlicher Leistungsabgabe Converter circuit arrangement and associated method for driving generators with dynamically variable power output
08/18/2005DE102004002261A1 Kommutierungsfilter Kommutierungsfilter
08/18/2005CA2554873A1 Apparatus for connecting a prime mover driven alternator to a circuit with an existing alternating current
08/17/2005EP1563581A1 A plant for the exploitation of renewable energy sources in combination with traditional energy sources, particularly for the heating and cooling of dwellings
08/17/2005EP1090449B1 Hybrid filter for an alternating current network
08/17/2005CN2718881Y Active electric filter
08/17/2005CN2718880Y Passive electric filter
08/17/2005CN1656661A Energy management system and method
08/17/2005CN1655418A Method for increasing transmission line output efficiency by 12 times and uses thereof
08/17/2005CN1655085A Formula based programmable voltage wattless automatic control device
08/17/2005CN1215626C Voltage fluctuation compensation device and electrical power system equipped with the same
08/17/2005CN1215625C Power fluctuation compensation device
08/16/2005US6930868 Apparatus and method of detecting ground fault of solar power generation system
08/16/2005US6930471 Hybrid synchronous/induction generator power plant
08/16/2005US6930410 Mobile receptacle, power feeding gate device, server device and power usage management system for efficiently delivering electric power
08/11/2005US20050177756 Power distribution system utilizing redundant AC sources or DC sources
08/11/2005US20050174817 DC/AC converter to convert direct electric voltage into alternating voltage or into alternating current
08/11/2005US20050174127 Circuit component and transformer device with controllable impedance and with systems equipped with such devices
08/11/2005US20050173990 One wire self referencing circuits for providing power and data
08/11/2005US20050172995 Circuit arrangement for a photovoltaic system
08/11/2005US20050172630 Method for operation of a power generation plant
08/10/2005CN2717086Y Dynamic idling compensation arrangement and electric motor soft starting apparatus formed thereby
08/10/2005CN1653667A Power supply system for island networks
08/10/2005CN1652425A Electric consumption load wired controller capable of executing ordered electric consumption five-stage prewarning scheme
08/10/2005CN1214504C Adjustable dc voltage controller for non-transformer reactive series compensator
08/09/2005US6927499 Power generator and system comprising it
08/04/2005DE19912260B4 Stabilisatorvorrichtung und Stabilisierungsverfahren für ein Stromnetz Stabilizer apparatus and method for stabilizing a power grid
08/04/2005DE19605419B4 Verfahren zur Beseitigung von Abweichungen der Ist-Spannung in einem Drehstromnetz von einer vorgegebenen Soll-Spannung Process for the elimination of variations in the actual voltage in a three-phase network of a predetermined desired voltage
08/03/2005EP1560312A2 Method and arrangement in connection with network inverter
08/03/2005EP1559179A2 Hybrid variable speed generator/uninterruptible power supply power converter
08/03/2005EP1559178A1 Intelligent power system
08/03/2005EP1222390B1 Wind power plant
08/03/2005EP1138103B1 Switching apparatus and method for an electric power transmission line section
08/03/2005CN2715409Y AC inverters parallel arrangement
08/03/2005CN1650505A A power load-leveling system and packet electrical storage
08/02/2005US6925363 Power allocation control in an overdemand situation of an airport support system
08/02/2005US6925362 Method of providing service which makes power distribution operation effective, and system
08/02/2005US6924627 Method of reactive power regulation and aparatus for producing electrical energy in an electrical network
08/02/2005US6924565 Continuous reactive power support for wind turbine generators
07/2005
07/28/2005WO2005069470A1 Sag-swell and outage generator for performance test of custom power devices
07/28/2005WO2004025803A8 Wind power fed network
07/28/2005US20050165730 Section identification and distribution system monitoring system, method and program product
07/28/2005US20050165512 Systems and methods for selective power transfer
07/28/2005US20050165511 Energy network
07/28/2005US20050162877 Transfer circuit topology for redundant power generator regulators and inverting DC drives
07/28/2005US20050162792 Emergent power supply system and method of achieving input current balance in such system
07/28/2005US20050162170 Method for determining a negative sequence component
07/27/2005EP1557925A2 Power converter apparatus and related driving method for generators with dynamically varying output power
07/27/2005EP1557924A2 A simulator of complex electrical loads
07/27/2005EP1556943A1 Uninterrupted power supply with power-factor correcting bypass mode
07/27/2005EP1556936A1 Method and apparatus for control of an electric power system in response to circuit abnormalities
07/27/2005EP1556934A1 Apparatus and method for modifying a power flux in an electrical transmission line section
07/27/2005CN2713710Y Combination switch for switching capacitors
07/27/2005CN2713709Y Reactive power automatic compensation arrangement
07/27/2005CN1647338A Method and system for on-line dynamical screening of electric power system
07/27/2005CN1645730A Power converter apparatus and related driving method for generators with dynamically varying output power
07/27/2005CN1645708A Active electric filter by mixed harmonic detection
07/27/2005CN1645707A Power device of electric apparatus
07/27/2005CN1645635A Electric power device and lights for vehicle
07/27/2005CN1212632C High-voltage AC combined throw in/off switch
07/26/2005US6922661 Process for initializing and updating the topology of a high-voltage or medium-voltage electrical power station
07/26/2005US6922087 Control arrangement for power electronic system
07/23/2005CA2455689A1 System for controlling hydrogen network
07/21/2005WO2005067120A1 Method and apparatus for power inverter synchronization
07/21/2005WO2005067119A1 Wind farm and method for operating same
07/21/2005WO2005067118A1 Filter for improving commutation and for reducing harmonic oscillations in high-voltage direct current transmissions
07/21/2005WO2005067117A1 Electric power control apparatus
07/21/2005WO2004079549A3 Electricity market-oriented dc-segmentation design and optimal scheduling
07/21/2005US20050156432 Power generation system incorporating a vanadium redox battery and a direct current wind turbine generator
07/21/2005US20050156431 Vanadium redox battery energy storage and power generation system incorporating and optimizing diesel engine generators
07/21/2005DE202004017008U1 Mains feed unit for static or mobile synchronizing of power supplies uses controlled rectifier bridge to adjust power of energy production unit
07/21/2005DE19756777B4 Verfahren zum Betreiben einer Windenergieanlage sowie Windenergieanlage A method for operating a wind turbine and wind turbine
07/21/2005CA2550391A1 Method and apparatus for power inverter synchronization
07/20/2005EP1555746A2 System interconnection inverter device
07/20/2005CN2711985Y Single phase motor energy saving device for refrigerator, freezer and air conditioner
07/20/2005CN2711971Y Low voltage in situ dynamic reactive power compensator for thyristor switching filter
07/20/2005CN1643761A Power generator and system comprising it
07/20/2005CN1643760A Power source switching unit and power source management system comprising it
07/20/2005CN1641959A System interconnection inverter device
07/20/2005CN1641958A Power factor improving device built in DC-DC converter
07/20/2005CN1641957A Tidal subgrid parallel computing method for power system
07/20/2005CN1211138C Electric power peripheral application control system of the body-building equipment with electricity generation function
07/19/2005US6919650 Hybrid synchronization phase angle generation method
07/14/2005WO2005064761A1 A method and a device for selecting and dimensioning measures in case of instability in an electrical power system
07/14/2005WO2003090038A3 Automatic energy management and energy consumption reduction, especially in commercial and multi- building systems
07/14/2005US20050154499 Power distribution/generation system
07/14/2005DE10360462A1 Windenergieanlage mit einer eigenversorgten Stuereinrichtung mit einem Wirkleistungs- und Blindleistungsregelmodul Wind turbine with a self-powered Stuereinrichtung with active and reactive power control module
07/13/2005EP1553693A1 Ac rotary electric machine magnetic noise reduction method, motor control device and ac rotary electric machine using the same
07/13/2005EP1552563A2 Circuit arrangement for a photovoltaic system
07/13/2005CN2710230Y Power terminal electric saver
07/13/2005CN1639943A Setting device of distributed energy supply system
07/13/2005CN1639942A Separate network and method for operating a separate network
07/13/2005CN1639941A Equipment and method for exchanging power, in shunt connection, with an electric power network, and use of such equipment
07/13/2005CN1639940A One wire self referencing circuits for providing power and data
07/13/2005CN1639939A Circuit protection system
07/13/2005CN1639938A Method and apparatus for ground fault protection
07/13/2005CN1639654A External clock to obtain multiple synchronized computers
07/13/2005CN1639652A Integrated protection, monitoring and control system
07/13/2005CN1639651A Data sample and transmission modules for power distribution systems
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