| Patents for H02J 3 - Circuit arrangements for ac mains or ac distribution networks (38,663) |
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| 04/17/2008 | US20080088183 Integrated Closed Loop Control Method and Apparatus for Combined Uninterruptible Power Supply and Generator System |
| 04/17/2008 | US20080088181 Handheld programmer for lighting control system |
| 04/17/2008 | US20080088180 Method of load shedding to reduce the total power consumption of a load control system |
| 04/17/2008 | US20080088178 Self-excitation system |
| 04/17/2008 | US20080088129 Power Control of a Wind Farm and Method Thereof |
| 04/17/2008 | DE102006059199B3 Submarine, has inverters provided with independent control devices, which are formed to acquire actual electrical characteristic e.g. mains voltage, at bus bar and to adjust output current of inverters based on characteristics |
| 04/17/2008 | DE102006042756A1 Circuit for synchronizing, stabilizing and switching-on power-frequency-controlled, self-commutated pulse-width modulated inverter for use in e.g. integrated network, has integrator supplying synchronization signal to stabilization block |
| 04/16/2008 | EP1912305A1 Control method of sodium-sulfur battery |
| 04/16/2008 | EP1912304A2 Method for voltage instability load shedding using local measurements |
| 04/16/2008 | CN201048293Y Multi-oil engine permanent-magnet digital generator set |
| 04/16/2008 | CN201048292Y Three-phase load equalization control switch cabinet |
| 04/16/2008 | CN201048291Y Parallel high voltage dynamic reactive compensator |
| 04/16/2008 | CN201048083Y Novel super-conduction controlled reactor |
| 04/16/2008 | CN101164225A Integrated torsional mode damping system and method |
| 04/16/2008 | CN101164223A Method for operating an inverter comprising an upstream step-up device |
| 04/16/2008 | CN101162842A Operating electrical machines from a DC link |
| 04/16/2008 | CN101162841A Non-linearity PI voltage control method of stillness reactive compensator |
| 04/16/2008 | CN100382404C Comprehensive dynamic compensating device for distribution network |
| 04/15/2008 | US7360100 Intelligent power management control system and method |
| 04/15/2008 | US7359878 Pricing apparatus for resolving energy imbalance requirements in real-time |
| 04/15/2008 | US7358468 Complex home appliance and method of controlling and installing the same |
| 04/15/2008 | CA2307253C Three phase flat cable inductance balancer |
| 04/11/2008 | CA2606060A1 Transfer switch with multiple power source disconnect |
| 04/10/2008 | WO2008041755A1 Ac-dc conversion device |
| 04/10/2008 | WO2008041311A1 Hybrid type electric power generation system |
| 04/10/2008 | WO2008040713A1 Determination and use of power system sensitivities for power flow control |
| 04/10/2008 | WO2008008176A3 Polar transmitter having a dynamically controlled voltage regulator and method for operating same |
| 04/10/2008 | US20080086649 Power Supply Device |
| 04/10/2008 | US20080084117 Methods and apparatuses for operating devices with solar power |
| 04/10/2008 | US20080084116 EIB protocol in an integrated power distribution system |
| 04/10/2008 | US20080084115 Integrated lighting control panel with analog inputs/outputs |
| 04/10/2008 | US20080084114 System controller for integrated lighting control panels |
| 04/10/2008 | US20080084113 Signal transmission circuit |
| 04/10/2008 | US20080084112 Multiple output multiple topology voltage converter |
| 04/10/2008 | DE102006047792A1 Three-phase power grid conditioning device, has computer unit for modeled reproduction of synchronous machine to provide portion of current values as stator currents of reproduced synchronous machine and mains voltages of grid as inputs |
| 04/10/2008 | DE102006024357A1 Verfahren und Einrichtung zur Bestimmung der elektrischen Belastbarkeit von Freileitungen mittels Temperaturmessung Method and apparatus for determining the electrical loadability of power lines by means of temperature measurement |
| 04/10/2008 | CA2664924A1 Method for operating a wind turbine connected to a utility grid during a utility grid disturbance, wind turbine and wind park |
| 04/09/2008 | EP1909373A1 Wind power plant |
| 04/09/2008 | EP1909371A2 Method, apparatus and computer program product for wind turbine start-up and operation without grid power |
| 04/09/2008 | EP1909370A1 Determination and use of power system sensitivities for power flow control |
| 04/09/2008 | EP1908623A1 Vehicle equipped for providing solar electric power for off-vehicle use and systems in support thereof |
| 04/09/2008 | EP1907996A1 Load prediction based on-line and off-line training of neural networks |
| 04/09/2008 | CN201045746Y Right-and-left exaltation low-voltage feed cabinet main circuit |
| 04/09/2008 | CN201045646Y Intelligentized magnetoelectricity reversible matching type power-saving device |
| 04/09/2008 | CN101159423A Method, apparatus and product for wind turbine start-up and operation without grid power |
| 04/09/2008 | CN101159381A Transforming plant voltage reactive integrated control system acting equipment selection technology |
| 04/09/2008 | CN101159380A Industrial frequency amount harnessing method and apparatus of non-three phase symmetrically power supply |
| 04/09/2008 | CN101159379A Mixed active electric power filter and direct current side voltage control method thereof |
| 04/09/2008 | CN101159377A Electric power, electronic equipments and network large ground resistance earth distributing method and device |
| 04/09/2008 | CN101159046A Electric power trading support system |
| 04/09/2008 | CN100380774C Electric power control apparatus, power generation system and power grid system |
| 04/09/2008 | CN100380767C Wind power system and method for operating the same |
| 04/08/2008 | US7356536 Optimized load prediction for security constrained unit commitment dispatch using linear programming for electricity markets |
| 04/08/2008 | CA2478770C Inter-regulator control of multiple electric power sources |
| 04/03/2008 | WO2008040003A1 Method and apparatus for parallel engine generators |
| 04/03/2008 | WO2008039121A1 A power plant |
| 04/03/2008 | WO2008039120A1 Conversion of ac lines to hvdc lines |
| 04/03/2008 | WO2008039118A1 An apparatus and a method for a power transmission system |
| 04/03/2008 | WO2008037233A1 Method for the analysis of a fault in an electrical supply system |
| 04/03/2008 | WO2008036990A1 Data interchange between inverters in an inverter system |
| 04/03/2008 | WO2007134597A3 Method and device for determining the electrical loadability of overhead lines by means of temperature measurement |
| 04/03/2008 | DE102006044921A1 Verfahren zur Primärregelung für ein Verbundstromnetz Process for the primary control for interconnected power system |
| 04/03/2008 | CA2664076A1 Conversion of ac lines to hvdc lines |
| 04/03/2008 | CA2576493A1 Vehicle equipped for providing solar electric power for off-vehicle use and systems in support thereof |
| 04/02/2008 | EP1906505A1 Converter and control method for a converter |
| 04/02/2008 | EP1906191A2 Three-phase switching assembly and method for operating the switching assembly |
| 04/02/2008 | CN201044364Y Circuit for implementing aging energy feedback of switch power source |
| 04/02/2008 | CN201044363Y Three-phase electricity economizer |
| 04/02/2008 | CN201044362Y Intelligent low-voltage reactive-load compensation system |
| 04/02/2008 | CN201044361Y Intelligent electric network purifying and energy-saving control device |
| 04/02/2008 | CN201044360Y Intelligent high-voltage electricity-saving compensation circuit device |
| 04/02/2008 | CN201044232Y Device for extinguishing arc, extinguishing harmony, selecting line and over-voltage protection |
| 04/02/2008 | CN101156288A Electrical low-voltage switchgear |
| 04/02/2008 | CN101154816A Parallel power supply system and method for acquiring nonuniform fluid |
| 04/02/2008 | CN101154815A Dynamic economic burden distribution |
| 04/02/2008 | CN101154814A Electric energy feedback type reactive-load self-compensation method and apparatus |
| 04/02/2008 | CN101154813A On-line combination method for multi-region electric network tide model |
| 04/02/2008 | CN101154812A Combination type energy feedback method for multi-output power supply and its implementing circuit |
| 04/02/2008 | CN101154811A Wide-region energy feedback method for multi-output switch power source and its implementing circuit |
| 04/02/2008 | CN101154498A Device and method for controlling changing operation of on-load tap changer |
| 04/02/2008 | CN101154093A Method and apparatus for competing for host computer position in parallel system |
| 04/02/2008 | CN100379121C Method for determing electrical power transmission limit in electrical power transmission system |
| 04/02/2008 | CN100379119C Conversion device with power factor correcting and DC-DC conversion function |
| 04/02/2008 | CN100379113C Integrated method for realizing parallel operation power generation and power network reactive power compensation simultaneously |
| 04/02/2008 | CN100378893C System for remotely controlling energy distribution at local sites |
| 04/01/2008 | US7353201 Security constrained unit commitment pricing optimization using linear programming for electricity markets |
| 04/01/2008 | US7353084 Generator controller |
| 04/01/2008 | US7353083 Vanadium redox battery energy storage and power generation system incorporating and optimizing diesel engine generators |
| 04/01/2008 | US7352597 Comprehensive power quality controller for substation in power system |
| 04/01/2008 | US7352082 Transfer switch device and method |
| 04/01/2008 | US7352079 Electronic ballast for a lamp |
| 04/01/2008 | CA2260516C Smart predictive line controller for ac and dc electric arc furnaces |
| 03/27/2008 | WO2008036009A1 Hvdc converter |
| 03/27/2008 | WO2008034216A1 Modulation control of power generation system |
| 03/27/2008 | WO2008017754A3 Method and system of real time management and modulation of electricity consumption |
| 03/27/2008 | WO2007090481A3 Hybrid filter |
| 03/27/2008 | US20080077280 Dynamic setup wizard in lighting control system commissioning |
| 03/27/2008 | US20080073979 Power balancing of multiple synchronized generators |
| 03/27/2008 | US20080073978 Parallel connection of inverters |
| 03/27/2008 | US20080073974 Method and circuit for cross regulation in a power converter |