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)
06/2006
06/14/2006	EP1668450A2 Wide-area electrical demand and supply management
06/14/2006	EP1668245A2 Wind power plant comprising a reactive power module for supporting a power supply system and corresponding method
06/14/2006	DE102004059100A1 Monitoring process for decentralized energy units with inverters feeding low voltage mains generates ideal sinusoidal current with fundamental outside mains value
06/14/2006	CN2788434Y Harmonious restrain and non-power on-spot compensating device
06/14/2006	CN1788398A Electric circuit breaker
06/14/2006	CN1787324A Reactive power self-compensating controlling device
06/14/2006	CN1787323A Voltage inserting type controlling method for static reactive compensater of electricity distributing system
06/14/2006	CN1787322A Non Linear controlling system for static synchronous compensating device based on DSP chip
06/14/2006	CN1786862A System for controlling dynamic voltage compensator based on DSP
06/14/2006	CN1259806C Equipment for compensating wattless power of electric arc furnace
06/14/2006	CN1259767C Medium and high voltage power conversion method and device
06/13/2006	US7061743 Multi-pulse HVDC system using auxiliary circuit
06/13/2006	US7061211 Gas turbine generating apparatus
06/13/2006	US7061141 Parallel operation method for an uninterruptible power supply apparatus
06/13/2006	US7061139 System for providing assured power to a critical load
06/13/2006	US7061136 Method and device for conditioning electric installations in buildings for the rapid transmission of data
06/13/2006	US7060379 Method and system for controlling and recovering short duration bridge power to maximize backup power
06/13/2006	CA2202814C Control arrangement for a multilevel convertor
06/10/2006	CA2489789A1 Ac power backfeed protection based on voltage
06/08/2006	WO2006059763A1 Electric-power supply system, and vehicle
06/08/2006	WO2006059445A1 Power cable line
06/08/2006	WO2005039027A3 Apparatus for generating sine waves of electromotive force
06/08/2006	US20060122738 Power storage equipment management system
06/08/2006	US20060119182 Automatic sensing power systems and methods
06/08/2006	US20060119177 Locomotive auxiliary power system
06/08/2006	CA2587219A1 Power cable line
06/08/2006	CA2584135A1 Electric-power supply system, and vehicle
06/07/2006	EP1667261A1 Fuel cell generation system
06/07/2006	EP1666184A1 Energy supply for resistance welding installations
06/07/2006	EP1665511A1 Power regulator for power inverter
06/07/2006	EP1665495A1 Method for operating a wind turbine during a disturbance in the grid
06/07/2006	EP1665494A1 Method for operating or controlling a wind turbine and method for providing primary control power by means of wind turbines
06/07/2006	EP1665493A1 Method for operating a frequency converter of a generator
06/07/2006	EP1664961A1 Device for adjusting the impedance of a high voltage line supplying an alternating current
06/07/2006	CN2786851Y Three phases electronic power saver
06/07/2006	CN1784817A Power supply including system interconnection inverter
06/07/2006	CN1783685A Current wave power saver
06/06/2006	US7058522 Very short term load prediction
06/06/2006	US7058482 Data sample and transmission modules for power distribution systems
06/06/2006	US7058481 Method and apparatus for centrally-controlled electrical protection system architecture reliability improvement based on sensitivity analysis
06/06/2006	US7057908 Method and arrangement in connection with network inverter
06/06/2006	US7057308 Battery connect/disconnect for an uninterruptible power supply
06/01/2006	US20060116795 Operation-assisting system and operation-assisting computer program
06/01/2006	US20060114696 System linking apparatus for generated electric power
06/01/2006	US20060113800 Operating method for a a wind turbine with a supersynchronous cascade
06/01/2006	DE10392856T5 Aktiver Emi Filter Active Emi Filter
06/01/2006	DE102004056354A1 Three phase high voltage-cable system, has four cable strands separated into four sections and surrounded by copper shields and sheaths, where shields are guided to cable-switch, which connects shields with cables of currentless strand
05/2006
05/31/2006	EP1662593A1 Fuel cell system
05/31/2006	EP1661224A2 System of super super decoupled loadflow computation for electrical power system
05/31/2006	EP1660917A2 Method and system for predicting solar energy production
05/31/2006	EP1660821A2 Domestic heat and power generation system
05/31/2006	CN2785233Y Modularization parallel connection inversion power supply equipment
05/31/2006	CN2785229Y Terminal energy-saving controller
05/31/2006	CN2785228Y Power supply noise filter based on electromagnetic compatibility
05/31/2006	CN2785227Y Induction electricity-saving machine
05/31/2006	CN2784993Y Impulse output electricity measuring integrated circuit matching intelligent electricity amount limiting and controlling equipment
05/31/2006	CN2784941Y Continuous running and exit anti-interference tester for reactive power automatic compensation controller
05/30/2006	US7054172 Method and structure for active power supply control and stabilization
05/30/2006	US7053503 Cross current compensation control system for a power system
05/30/2006	US7053501 Multi-pair aggregate power distribution
05/30/2006	CA2429822C Wind energy turbine and wind farm consisting of a plurality of wind energy turbines
05/26/2006	WO2006054932A1 Phase compensation
05/25/2006	US20060111860 System and method for monitoring and managing electrical power transmission and distribution networks
05/25/2006	US20060111815 Method and apparatus for power management control of a cooling system in a consumer accessible appliance
05/25/2006	US20060109134 System and device for monitoring at least one household electric user, in particular a household appliance
05/25/2006	US20060108988 Power supply system
05/25/2006	US20060108875 Integrity testing of isolation means in an uninterruptible power supply
05/24/2006	DE19936873B4 Schaltungsanordnung Circuitry
05/24/2006	DE102004054451A1 Control system for a capacitor filter unit has regulator and comparison of actual and target overload factors and mains distortion
05/24/2006	CN2783600Y Reactive compensation device for automatic integrated electric power system
05/24/2006	CN2783599Y High voltage reactive compensation device
05/24/2006	CN1777019A DSP-based digital excitation controller data acquisition and processing system
05/24/2006	CN1776990A High-power wind power generation interconnection technology
05/24/2006	CN1776989A Efficient parallel compensating capacitor capable of tracing 1# and 2# incoming power operation
05/24/2006	CN1776988A Low-loss multi-tuned passive power filter
05/24/2006	CN1776987A Active superconducting direct current limiter
05/24/2006	CN1776986A Controllable damp device of ferromagnetic resonance for electromagnetic voltage transformer for distribution network
05/24/2006	CN1257593C Electromagnetic device
05/23/2006	US7049921 Auto-transformer for use with multiple pulse rectifiers
05/23/2006	CA2302621C System for supplying electric-motor loads with electrical energy
05/18/2006	WO2006007845A3 System consisting of a number of modules for monitoring and controlling an electrical installation
05/18/2006	US20060103360 Method and apparatus for controlling power drawn from an energy converter
05/18/2006	DE102004034333A1 Verfahren zum Regeln eines an einer Gleichspannungsquelle angeschlossenen Stromrichters A method for controlling a device connected to a DC voltage source converter
05/17/2006	EP1657796A1 Method and system for thermal management
05/17/2006	EP1656723A2 Active filter for multi-phase ac power system
05/17/2006	EP1656722A2 Methods, systems and apparatus for regulating frequency of generated power using flywheel energy storage systems with varying load and/or power generation
05/17/2006	EP1446937A4 Interactive system for managing and remotely connecting customer utility loads
05/17/2006	CN2781628Y Selection type reactive power compensation controller
05/17/2006	CN1256571C Encoder apparatus and method
05/16/2006	US7046534 DC/AC converter to convert direct electric voltage into alternating voltage or into alternating current
05/16/2006	US7046529 Voltage adapter capable of conserving power consumption under standby mode
05/12/2006	CA2524556A1 Inductive peripheral
05/11/2006	WO2006048688A1 Power conditioning unit
05/11/2006	US20060101296 Electric load management center
05/11/2006	US20060097704 Voltage regulator and method using substrate board with insulator layer and conductive traces
05/11/2006	US20060097579 Power circuit for battery
05/11/2006	US20060097578 High reliability DC power distribution system
05/11/2006	US20060097574 Power line communications device and method of use
05/11/2006	US20060097573 Power line communications system and method of operating the same
05/11/2006	US20060097519 Wind energy system, as well as a method for operating such a wind energy system

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