| Patents for H02J 3 - Circuit arrangements for ac mains or ac distribution networks (38,663) |
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| 02/13/2007 | US7177726 Operation-assisting system and operation-assisting computer program |
| 02/13/2007 | US7177168 Power converting apparatus and power generating apparatus |
| 02/13/2007 | US7176589 Electrical power distribution and communication system for an underwater cable |
| 02/13/2007 | CA2238786C Panelboard for controlling and monitoring power or energy |
| 02/08/2007 | WO2006124868A3 Multi-level active filter |
| 02/08/2007 | US20070030717 Method for setting switching times, in particular idle times, of an inverter based on detected power, and inverter |
| 02/08/2007 | US20070029802 Wind turbine for producing electrical power and a method of operating the same |
| 02/08/2007 | DE112005000388T5 Vielseitiger und intelligenter Leistungssteller Versatile and intelligent power controller |
| 02/07/2007 | EP1749340A1 Solar inverter and photovoltaic installation comprising several solar inverters |
| 02/07/2007 | CN2867689Y Three-phase magnetron reactor |
| 02/07/2007 | CN2867688Y Single-phase electricity-saving device |
| 02/07/2007 | CN1909353A Drag transmitting and transforming equipment |
| 02/07/2007 | CN1909320A Operation method for asynchronous motor used as a grid-connected wind and water driven generator |
| 02/06/2007 | US7174258 Apparatus and system for protection, control, and management of electricity distribution systems using time synchronization |
| 02/06/2007 | US7173349 Equipment and method for exchanging power, in shunt connection, with an electric power network, and use of such equipment |
| 02/06/2007 | US7173345 Multi-function integrated automation cable connector system and method |
| 02/06/2007 | US7173226 Complex home appliance and method of controlling and installing the same |
| 02/01/2007 | WO2007014383A1 Load prediction based on-line and off-line training of neural networks |
| 02/01/2007 | WO2007014146A2 Load shedding control for cycled or variable load appliances |
| 02/01/2007 | WO2006120033A3 Wind farm power control system |
| 02/01/2007 | DE212006000001U1 Wechselrichtersystem zum Einspeisen in ein 3-Phasennetz sowie Wechselrichteranlage für ein 3-Phasennetz Inverter system for feeding into a 3-phase power and inverter system for a 3-phase power |
| 02/01/2007 | DE10247039B4 Querstromausgleichssteuerung für eine Stromanlage Cross-flow balance control for a power plant |
| 02/01/2007 | DE102005032693A1 Leistungsregelung eines Windparks Power control of a wind farm |
| 01/31/2007 | EP1748529A1 Method and system for the forecast of needed energy quantities of a consumer, in particular industrial consumer, from an energy provider or energy dispatcher, and device for energy need forecast |
| 01/31/2007 | CN2865109Y Intelligent powerless compensating outfit for column high-voltage line |
| 01/31/2007 | CN2865108Y Low-voltage powerless automatic compensating unit based on draw-off type case structure |
| 01/31/2007 | CN2865107Y Full-digital powered electric filter for single-number signal processor |
| 01/31/2007 | CN2865106Y Powered electric filtering device capable of multiple parallel expanding |
| 01/31/2007 | CN2865105Y Magnetic saturation type in-line sine-wave energy distributor with amplifier |
| 01/31/2007 | CN2864963Y Switching capacitor AC contact |
| 01/31/2007 | CN1905355A Power generation apparatus using AC energization synchronous generator and method of controlling the same |
| 01/31/2007 | CN1905339A Compensating method for active power filter inverter harmonic domain dead zone effect |
| 01/30/2007 | US7171287 System and method for planning energy supply and interface to an energy management system for use in planning energy supply |
| 01/30/2007 | US7170265 Voltage regulator circuit with two or more output ports |
| 01/30/2007 | US7170261 Generator with dual cycloconverter for 120/240 VAC operation |
| 01/30/2007 | US7170196 Power feed |
| 01/29/2007 | CA2558597A1 Method and system for detecting and isolating stray voltage |
| 01/25/2007 | WO2007011230A1 System for supplying power to a flowline heating circuit |
| 01/25/2007 | US20070021874 Load shedding control for cycled or variable load appliances |
| 01/25/2007 | US20070018510 Methods and apparatus for controlling windfarms and windfarms controlled thereby |
| 01/25/2007 | US20070018503 Semiconductor circuit and resistance value controlling method |
| 01/25/2007 | US20070018502 Dual-input DC-DC converter with integrated ideal diode function |
| 01/24/2007 | EP1746713A1 Inverter system |
| 01/24/2007 | CN2862468Y Full digital controlled statical dynamic wattless compensation device |
| 01/24/2007 | CN2862461Y Error-action preventing circuit for thyristor in SVC system |
| 01/24/2007 | CN1902809A DC/DC converter and decentralized power generation system comprising a DC/DC converter |
| 01/24/2007 | CN1902808A Decentralized power generation system |
| 01/24/2007 | CN1902800A A method and a device for selecting and dimensioning measures in case of instability in an electrical power system |
| 01/24/2007 | CN1902799A Responsive electricity grid substation |
| 01/24/2007 | CN1901318A Method for solar energy integrating net power generation energy output maximizing |
| 01/24/2007 | CN1901317A Transient state stabilizing analysis and control method for power system |
| 01/24/2007 | CN1901316A Converter for changing three phase power into single phase power |
| 01/24/2007 | CN1297051C Method for providing voltage protection to a load connected to a utility power network |
| 01/23/2007 | US7166934 Package-based voltage control |
| 01/23/2007 | US7166933 Submarine power feeding branching device for submarine power feeding system having submarine feeding cables arranged in mesh pattern |
| 01/23/2007 | US7166928 Voltage control for wind generators |
| 01/23/2007 | CA2383644C Control of series-resonant inductive pickups |
| 01/18/2007 | US20070013233 System for distributing AC power within an equipment rack |
| 01/18/2007 | US20070013190 Ac power generation system |
| 01/18/2007 | CA2614992A1 Power control of a wind park |
| 01/17/2007 | EP1743409A2 Method for islanding detection of grid-connected electrical power systems |
| 01/17/2007 | CN2859892Y Digital intellectual parallel cabinet of generator group |
| 01/17/2007 | CN2859891Y Automatic low-voltage reactive compensator |
| 01/17/2007 | CN2859890Y Intellectual power electricity-saving appliance |
| 01/17/2007 | CN2859889Y Three-phase balance electricity-saving appliance |
| 01/17/2007 | CN1897393A Compensator for electric-railway non-power compensation and electric-energy quality control |
| 01/17/2007 | CN1897392A Starter of household electrical appliance |
| 01/17/2007 | CN1897391A Digital power current regulator |
| 01/17/2007 | CN1896899A 功率因数调整装置 Power factor adjustment device |
| 01/11/2007 | WO2007005548A1 Automated precision alignment of data in a utility monitoring system |
| 01/11/2007 | WO2007004514A1 Photovoltaic power generation system utilizing commercial system power supply |
| 01/11/2007 | WO2007003241A1 Circuit arrangement and method for controlling a converter |
| 01/11/2007 | WO2006011956A3 Power flow controller responsive to power circulation demand for optimizing power transfer |
| 01/11/2007 | US20070010916 Method for adaptively managing a plurality of loads |
| 01/11/2007 | US20070008076 Method of facilitating communications across open circuit breaker contacts |
| 01/11/2007 | US20070007822 Supply topology with power limiting feedback loop |
| 01/11/2007 | US20070007821 Untethered power supply of electronic devices |
| 01/11/2007 | US20070007820 Power supply capable of displaying power use condition of individual loads |
| 01/11/2007 | DE202006014998U1 Dreiphasige Schaltungsanordnung Three-phase circuitry |
| 01/11/2007 | CA2613440A1 Automated precision alignment of data in a utility monitoring system |
| 01/10/2007 | EP1742321A1 Generation facility management system |
| 01/10/2007 | EP1741172A2 Power supply device |
| 01/10/2007 | EP1490941A4 Energy management system and method |
| 01/10/2007 | CN2857302Y Reactive integrated voltage controller |
| 01/10/2007 | CN1894845A Converter circuit with two partial converters |
| 01/10/2007 | CN1894837A Wind farm and method for operating same |
| 01/10/2007 | CN1894693A Electricity market-oriented DC-segmentation design and optimal scheduling |
| 01/10/2007 | CN1893755A Device for equalizing discharge lamp currents in circuits, and system and method therefor |
| 01/10/2007 | CN1893215A Single-phase active electric-power filter using analog cascade connection controller |
| 01/10/2007 | CN1893214A Low-voltage photovotaic parallel-in control device |
| 01/09/2007 | US7162653 Electric power distribution center having a plurality of ASICS each with a voltage to frequency converter that use an RMS current value |
| 01/09/2007 | US7161306 Multi-phase input ballast with dimming and method therefor |
| 01/09/2007 | US7161257 Active anti-islanding system and method |
| 01/09/2007 | CA2422529C Combined harmonic filter and phase converter or phase shifting device |
| 01/04/2007 | WO2007001416A2 Power generation system incorporating a vanadium redox battery and a direct current wind turbine generator |
| 01/04/2007 | US20070005195 Distributed energy storage for reducing power demand |
| 01/04/2007 | US20070005193 Method and apparatus for control of an electric power distribution system in response to circuit abnormalities |
| 01/04/2007 | US20070001515 Supply of loads of different powers by a D.C./D.C. converter |
| 01/04/2007 | CA2585133A1 Power generation system incorporating a vanadium redox battery and a direct wind turbine generator |
| 01/03/2007 | EP1739824A2 System and method for controlling effective wind farm power output |