| Patents for H02J 3 - Circuit arrangements for ac mains or ac distribution networks (38,663) |
|---|
| 04/22/2010 | DE102009020908A1 Earth leakage detecting method for e.g. meshed industrial-alternating current and three phase supply network, involves determining earth leakage-afflicted loss when curve course is straight line with negative increase |
| 04/22/2010 | CA2739450A1 Electrical energy saving system |
| 04/21/2010 | EP2178186A1 Method for operating a production system and/or a local assembly operating in isolation |
| 04/21/2010 | EP2176935A1 System and method for transferring electrical power between grid and vehicle |
| 04/21/2010 | EP2176722A1 Energy management system providing real time assessment of a potentially compromising situation affecting utility companies |
| 04/21/2010 | EP2176717A1 Methods for assessing reliability of a utility company's power system |
| 04/21/2010 | EP2176716A1 Methods for creating dynamic lists from selected areas of a power system of a utility company |
| 04/21/2010 | EP1735890B1 Electric installation for coupling a power supply system and a central direct current branch and method for operating an installation of this type |
| 04/21/2010 | CN201440610U Anti- electrical surge and anti-rapid pulse PFC circuit |
| 04/21/2010 | CN201440609U Novel neutral line triple frequency harmonic current suppresser |
| 04/21/2010 | CN201440575U Low-voltage distribution fuse box with reactive power compensation |
| 04/21/2010 | CN1853335B Pwm cycle converter |
| 04/21/2010 | CN101697423A Non-active disturbance maximum power tracking method in photovoltaic grid-connected inverting system |
| 04/21/2010 | CN101697422A Micro-grid multi-micro-source inverter loop current and voltage fluctuation master-slave control method |
| 04/21/2010 | CN101697421A Photovoltaic micro power source control system for micro grid |
| 04/21/2010 | CN101697420A Micro-grid inverter system and electric energy quality control method applicable to same |
| 04/21/2010 | CN101697419A Integrated controlled system and integrated controlled method for dynamic reactive power compensation based on touch screen, PLC and DSP |
| 04/21/2010 | CN101697418A Photovoltaic inversion grid-connection and harmonic suppression hybrid system for micro grid and composite control method thereof |
| 04/21/2010 | CN101697417A Low impedance transmission line with a power flow controller |
| 04/21/2010 | CN101697416A Method for realizing energy conservation by reducing harmonics in power system |
| 04/21/2010 | CN101697415A Power transfer solving method under grid failure state |
| 04/21/2010 | CN101697414A Universal controller for power electronic devices of distributed generation systems |
| 04/21/2010 | CN101320914B Emergency scheduling method for reinforcing electric network transportation ability |
| 04/21/2010 | CN101291061B Status estimating method for dynamic process of electrical power system |
| 04/20/2010 | US7701090 Active filter |
| 04/20/2010 | US7701089 Power supply circuit |
| 04/20/2010 | US7701088 Supply voltage selector |
| 04/20/2010 | US7701087 Integrated closed loop control method and apparatus for combined uninterruptible power supply and generator system |
| 04/20/2010 | US7701086 Remote controlled extension cord with embedded housing for a remote control |
| 04/20/2010 | US7701082 Aerospace electrical power DC subsystem configuration using multi-functional DC/DC converter |
| 04/20/2010 | US7701081 System, method and apparatus for providing direct current |
| 04/16/2010 | CA2683194A1 Flush electrical powerpoint device box |
| 04/15/2010 | WO2010042156A1 Universal power inlet system for power distribution units |
| 04/15/2010 | WO2010040388A1 Multilevel converter and method for compensating active and reactive power in a high voltage network |
| 04/15/2010 | US20100094480 Apparatus and a method for a power transmission system |
| 04/15/2010 | US20100091528 Method and arrangement to reverse the power flow of a direct current power transmission system |
| 04/15/2010 | US20100091527 Tapping power from a hvdc transmission system |
| 04/15/2010 | US20100090626 Energy management system to improve efficiency of electric and hybrid drive trains |
| 04/15/2010 | US20100090538 Compensation system for power transmission |
| 04/15/2010 | US20100090537 Compensation system for power transmission |
| 04/15/2010 | US20100090535 Series connection apparatus for generators |
| 04/15/2010 | US20100090532 Frequency Responsive Charge Sustaining Control of Electricity Storage Systems for Ancillary Services on an Electrical Power Grid |
| 04/15/2010 | DE102009044197A1 Verbessertes Kompensationssystem für die Energieübertragung Improved compensation system for power transmission |
| 04/15/2010 | DE102009014495A1 Electrical drive system for production machine, particularly servo press, has electric motor and frequency converter for frequency-variable feeding of electric motor |
| 04/15/2010 | DE102009000361A1 Verfahren zum Betreiben eines Heizkörpers eines Hausgeräts sowie Heizeinrichtung für ein Hausgerät mit Heizkörper A method of operating a heater of a household appliance and heating system for a domestic appliance with radiator |
| 04/15/2010 | DE102008050244A1 Energy decentrally supplying method for air-conditioning e.g. residential facility, involves controlling block storage forced heating and cooling function control unit, energy supply, energy storage and energy production with strategies |
| 04/15/2010 | DE102008047528A1 Verfahren zum erdschlußunabhängigen Kompensieren von Oberschwingungen der Spannungen an Anschlußknoten A method for compensating for erdschlußunabhängigen harmonic voltage at terminal nodes |
| 04/15/2010 | DE102008037449A1 Windenergieanlage Wind turbine |
| 04/15/2010 | CA2739294A1 Universal power inlet system for power distribution units |
| 04/14/2010 | EP2175540A2 Voltage control at windfarms |
| 04/14/2010 | EP2174397A1 Estimating a time offset between stationary clocks |
| 04/14/2010 | EP1570561B1 Interconnecting power generation system |
| 04/14/2010 | CN201438640U Energy storage system used for balancing grid load |
| 04/14/2010 | CN201438639U 低压无功功率补偿装置 Low voltage reactive power compensation device |
| 04/14/2010 | CN201438638U High-voltage parallel connection capacitor |
| 04/14/2010 | CN1901318B Method for solar energy integrating net power generation energy output maximizing |
| 04/14/2010 | CN101694944A Grid-connected seamless switching controller based on capacitive current inner ring and control method thereof |
| 04/14/2010 | CN101694943A PSIM software-based control method and simulation system for solar grid-connected inverter |
| 04/14/2010 | CN101694942A Maximum power tracing method |
| 04/14/2010 | CN101694941A High-capacity motor reactive power compensation stepping automatic cut-in device |
| 04/14/2010 | CN101694940A Optimal power flow implementation method considering transient security constraints |
| 04/14/2010 | CN101268586B 接地电极 Grounding electrode |
| 04/13/2010 | US7696730 Control apparatus for AC-AC converter |
| 04/13/2010 | US7696643 Interim power source |
| 04/10/2010 | CA2681482A1 Portable transformer and method for improving reliability of electric power delivery |
| 04/08/2010 | WO2010038666A1 Method for controlling interconnection system |
| 04/08/2010 | WO2010038665A1 Method for controlling sodium-sulfur battery |
| 04/08/2010 | WO2010038664A1 Method for controlling sodium-sulfur battery |
| 04/08/2010 | WO2010038662A1 Secondary battery power control method |
| 04/08/2010 | WO2010038661A1 Method for controlling sodium-sulfur battery |
| 04/08/2010 | WO2010037537A1 Wind energy plant testing device |
| 04/08/2010 | WO2010037393A1 Power generation system and method of operating a power generation system |
| 04/08/2010 | WO2010037388A1 Logical scheme for severe fault detection |
| 04/08/2010 | WO2010037298A1 A low frequency oscillation integrated analysis method and its system |
| 04/08/2010 | US20100085783 Method and system to influence the power generation of an adjustable speed generator |
| 04/08/2010 | US20100084925 Underwater substation |
| 04/08/2010 | US20100084924 Apparatus and method for producing ac power |
| 04/08/2010 | US20100084922 Three-Level Inverter |
| 04/08/2010 | US20100084921 Universal Power Inlet System for Power Distribution Units |
| 04/08/2010 | DE202008015537U1 Dezentrale Energieeffizienz durch autonome, selbstorganisierende Systeme unter der Berücksichtigung von heterogenen Energiequellen Decentralized energy efficiency by autonomous, self-organizing systems under consideration of heterogeneous sources of energy |
| 04/08/2010 | DE10218863B4 Hausgerät und Vorrichtung zum Einbau in ein Hausgerät Domestic appliance and device for installation in a domestic appliance |
| 04/08/2010 | DE102009044161A1 System und Verfahren zur Steuerung miteinander gekoppelter Energieerzeugungs-, Speicher- und/oder Verbrauchseinheiten System and method for controlling mutually coupled power generation, storage and / or consumption units |
| 04/08/2010 | DE102008050496A1 Network separation switch for use in e.g. loading device of battery, has control switch opening network switch by impulse, where energy supply is provided for control switch during building of connection between load and electrical network |
| 04/08/2010 | DE102008050389A1 Method for energy storage in extensive power network, involves releasing stored energy from power network driver up to predetermined limit for covering consumption peaks of individual energy storages |
| 04/08/2010 | DE102008049610A1 Stromversorgungsanlage für einen Drehstrom-Lichtbogenofen mit Zwischenkreisumrichter zwischen Netzanschluss und Ofentransformator Power supply system for a three-phase arc furnace with DC-link between power supply and furnace transformer |
| 04/08/2010 | DE102008048046A1 Vorrichtung und Verfahren zum Betreiben eines elektrischen Verbrauchers Apparatus and method for operating an electrical load |
| 04/08/2010 | DE102008044842A1 Vorrichtung zur Energieversorgung eines Bahnnetzes Apparatus for supplying power to a railway network |
| 04/08/2010 | CA2738704A1 Power generation system and method of operating a power generation system |
| 04/08/2010 | CA2738411A1 Wind energy plant testing device |
| 04/07/2010 | EP2171837A1 Multi output inverter |
| 04/07/2010 | EP2171822A2 Controlling distribution of electrical power |
| 04/07/2010 | EP2171765A2 System, method, and apparatus for coupling photovoltaic arrays |
| 04/07/2010 | CN201436760U Intelligent resonance-eliminating capacitor switch |
| 04/07/2010 | CN201436759U Environmental-protection reactive power adjuster |
| 04/07/2010 | CN101692581A Low-cost single-phase high-frequency energy feedback device |
| 04/07/2010 | CN101692580A Novel energy feedback device adopting high frequency switch mode |
| 04/07/2010 | CN101692579A Full-controlled variable current device based sub-synchronous oscillation suppression method for generating set |
| 04/07/2010 | CN101692578A Classification and continuous control matched large-capacity controllable reactor |
| 04/07/2010 | CN101692577A 磁控电抗器 Magnetic chokes |
| 04/07/2010 | CN101692576A Capacitance compensation switch |