| Patents for H02J 3 - Circuit arrangements for ac mains or ac distribution networks (38,663) |
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| 12/18/2008 | US20080311453 Fuel cell system and fuel cell vehicle |
| 12/18/2008 | US20080309310 High voltage power supply connector system |
| 12/18/2008 | US20080309164 Power-Controllable Outlet Receptacle |
| 12/18/2008 | US20080309161 Multi-output power supply device |
| 12/18/2008 | US20080309160 Modular blade enclosure power subsystem disign |
| 12/18/2008 | US20080308141 Photovoltaic power converter system with a controller configured to actively compensate load harmonics |
| 12/18/2008 | DE102008002839A1 Energy using method for use in e.g. electrical supply network, involves remote-controlling lift systems from central control station via global system for mobile communication mobile radio, or control and announcement network |
| 12/17/2008 | EP2003759A1 Method for islet network recognition |
| 12/17/2008 | EP2003758A1 Power conversion apparatus and module including the power conversion apparatus |
| 12/17/2008 | EP2002524A1 Energy supply device for a plurality of energy consumers connected thereto |
| 12/17/2008 | CN201167295Y Cascade type wind power generation parallel network system |
| 12/17/2008 | CN201167238Y Power system stabilizer |
| 12/17/2008 | CN201167237Y Reactive autocompensation apparatus for high voltage parallel capacitor on a pole |
| 12/17/2008 | CN201167236Y Intelligent reactive compensation module |
| 12/17/2008 | CN201167235Y Synthesis electricity saver for electric energy system |
| 12/17/2008 | CN201166683Y Electro-magnetism type photoelectric current mutual-inductor for high-voltage capacitor |
| 12/17/2008 | CN101326696A A converter station and a method for control thereof |
| 12/17/2008 | CN101326098A Hybrid propulsion system for a watercraft |
| 12/17/2008 | CN101325346A Wireless remote control method for electric power active filter |
| 12/17/2008 | CN101325339A Apparatus for adjusting capacity of power distribution network |
| 12/17/2008 | CN101325338A Harmonic insulation method and apparatus thereof |
| 12/17/2008 | CN101325337A Method for prewarning safety of electric network operation fourth-order gradient |
| 12/17/2008 | CN101325336A Method for matching multi-region electric network swim based on belt restriction state estimation |
| 12/17/2008 | CN101325335A Hyposynchronous damped control system |
| 12/17/2008 | CN101325326A Method and apparatus for control of an electric power system in response to circuit abnormalities |
| 12/17/2008 | CN101325323A DC power guiding transmission deicing operation method |
| 12/17/2008 | CN101325322A AC line-feeding deicing connection plan for current-exchanging station |
| 12/17/2008 | CN100444494C Coherency generating sets of electric power system and polymeric method of asynchronous motor group parameter |
| 12/16/2008 | US7466571 Method and apparatus for adjusting wakeup time in electrical power converter systems and transformer isolation |
| 12/16/2008 | US7466038 More compact and higher reliability power supply module |
| 12/16/2008 | US7466037 Power supply control circuit |
| 12/16/2008 | US7465872 Photovoltaic power converter system with a controller configured to actively compensate load harmonics |
| 12/16/2008 | US7464551 Method for operation of a power generation plant |
| 12/16/2008 | CA2385706C Low-energy storage fast-start uninterruptible power supply system and method |
| 12/11/2008 | WO2008149002A2 Power subassembly for micro-hybrid system in an automobile |
| 12/11/2008 | WO2008149001A2 Power subassembly for micro-hybrid system in an automobile |
| 12/11/2008 | WO2008148418A1 Method for the operation of an arrangement with at least one energy distribution device |
| 12/11/2008 | WO2008148417A1 Method for operation of an arrangement with at least one energy distribution device |
| 12/11/2008 | WO2008051386A3 Method of load shedding to reduce the total power consumption of a load control system |
| 12/11/2008 | US20080303348 Integrated multiple fuel renewable energy system |
| 12/11/2008 | US20080303344 Power line communications system |
| 12/11/2008 | DE202008012031U1 Steuereinheit zur alternativen elektrischen Energieversorgung von Verbrauchern mit Zuschaltbarkeit des 230V-Versorgungsnetzes Control unit for alternative electric power supply of consumers with switchability of the 230V supply network |
| 12/11/2008 | DE102007021089B3 Verfahren zur Steuerung parallel geschalteter Ersatzstromquellen und Vorrichtung mit parallel geschalteten Ersatzstromquellen Method for controlling parallel-connected backup power sources and apparatus with parallel-connected backup power sources |
| 12/10/2008 | EP2001098A2 Power control method for power system compensators |
| 12/10/2008 | EP1999842A2 Method and circuit for cascaded pulse width modulation |
| 12/10/2008 | EP1999834A2 Apparatus and method for predictive control of a power generation system |
| 12/10/2008 | CN201163722Y Reactive compensator for harbor electric power supply system |
| 12/10/2008 | CN201163721Y Joint operation control device based on static reactive compensator and mixed injection type active filter |
| 12/10/2008 | CN101320914A Emergency scheduling method for reinforcing electric network transportation ability |
| 12/10/2008 | CN101319657A Power synthesis wind generator set |
| 12/10/2008 | CN100442627C Method and system for on-line dynamical screening of electric power system |
| 12/10/2008 | CN100442626C Series active AC voltage quality regulator and controlling method |
| 12/10/2008 | CN100442625C Controlling device and method for power source system and electric power system |
| 12/09/2008 | US7463500 Monopolar DC to bipolar DC to AC converter |
| 12/09/2008 | US7462952 Electrical power control system |
| 12/07/2008 | CA2634504A1 System and method of enabling power output from a power pedestal |
| 12/06/2008 | CA2590769A1 Electrical panel input interlock assembly |
| 12/04/2008 | WO2008147776A1 Common mode filter system and method for a solar power inverter |
| 12/04/2008 | WO2008145985A2 Control of power distribution to a plurality of electrical loads |
| 12/04/2008 | WO2008145982A2 Power system |
| 12/04/2008 | WO2008145578A2 Device for high-voltage direct current transmission |
| 12/04/2008 | WO2008145191A1 Method and arrangement for performing voltage ride through in case of power grid failures |
| 12/04/2008 | WO2008144860A1 Remote monitoring and control system of voltage regulators |
| 12/04/2008 | US20080296972 Current Balancing Module |
| 12/03/2008 | EP1998422A1 Grid interconnection device, grid interconnection system and power control system |
| 12/03/2008 | EP1997204A1 Charge controller |
| 12/03/2008 | EP1861914B1 Inverter |
| 12/03/2008 | EP1816721B1 Method for smoothing alternating electric current from a number of power generating units and wind power plant including a number of wind mills with variable rotational speed |
| 12/03/2008 | EP1504315B1 Electric load management center |
| 12/03/2008 | EP1454332B1 Method for predicting a future voltage and/or current curve |
| 12/03/2008 | CN201160268Y Electric power consumption conserving server of industrial and mining establishment system |
| 12/03/2008 | CN201160257Y Harmonic suppression circuit for frequency convertor power source commutation |
| 12/03/2008 | CN201160224Y Passive electric power filtering compensating control apparatus |
| 12/03/2008 | CN201160223Y Multi-ring website system |
| 12/03/2008 | CN201160036Y Low-power consumption intelligent zero crossing throwing and cutting controller |
| 12/03/2008 | CN101316074A Back-to-back three-power level midpoint clamping current transformer of wind power generation system |
| 12/03/2008 | CN101316068A Device for reducing harmonic wave discharged by UPS to electric network |
| 12/03/2008 | CN101316040A Intelligent marshalling combination switch |
| 12/03/2008 | CN101315055A Ocean energy conversion method |
| 12/03/2008 | CN100440719C Power generation apparatus using AC energization synchronous generator and method of controlling the same |
| 12/03/2008 | CN100440681C Method for controlling parallel operation of current transformer |
| 12/03/2008 | CN100440680C Switching low-voltage comprehensive switch of electric power capacitor |
| 12/03/2008 | CN100440679C Mixing type virtual work compensator |
| 12/03/2008 | CN100440678C A device and a method for voltage control in an electric transmission network |
| 12/03/2008 | CN100440665C Method and apparatus for control of an electric power distribution system in response to circuit abnormalities |
| 12/02/2008 | US7459804 Static transfer switch device and method |
| 12/02/2008 | US7459799 Domestic combined heat and power unit |
| 11/27/2008 | WO2008144554A2 Photovoltaic ac inverter mount and interconnect |
| 11/27/2008 | WO2008144548A2 Photovoltaic module-mounted ac inverter |
| 11/27/2008 | WO2008144540A1 Distributed inverter and intelligent gateway |
| 11/27/2008 | WO2008141963A2 Static var compensator apparatus |
| 11/27/2008 | WO2008141515A1 Method, apparatus and device for power distribution with multiple outputs |
| 11/27/2008 | US20080290735 Remanent voltage generator tachometer and control for induction machine |
| 11/27/2008 | DE102007024976A1 Vorrichtung zur Hochspannungsgleichstromübertragung Device for high-voltage direct current transmission |
| 11/27/2008 | DE102007022879A1 Wechselrichter zur Netzeinspeisung in ein Wechselstromnetz Inverter for grid feeding into an AC power grid |
| 11/27/2008 | CA2692602A1 Photovoltaic ac inverter mount and interconnect |
| 11/27/2008 | CA2691967A1 Photovoltaic module-mounted ac inverter |
| 11/27/2008 | CA2686272A1 Distributed inverter and intelligent gateway |
| 11/26/2008 | EP1995863A2 Control methods for the synchronisation and phase shift of the pulse width modulation (pwm) strategy of power converters |
| 11/26/2008 | EP1995050A1 Electrical energy supply system for presses |