| Patents for H02J 3 - Circuit arrangements for ac mains or ac distribution networks (38,663) |
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| 06/02/2005 | US20050116691 Equipment and method for exchanging power, in shunt connection, with an electric power network, and use of such equipment |
| 06/02/2005 | US20050116543 System and method for supply distribution |
| 06/02/2005 | US20050116542 In-home dispersed power source system |
| 06/02/2005 | US20050116541 Stand-alone electrical system for large motor loads |
| 06/02/2005 | US20050116475 Power generator and system comprising it |
| 06/02/2005 | US20050116473 System, method and apparatus for a redundant prime mover system |
| 06/02/2005 | US20050115241 Engine cogeneration system |
| 06/02/2005 | DE10344392A1 Windenergieanlage mit einem Blindleistungsmodul zur Netzstützung und Verfahren dazu Wind turbine with a reactive power module for grid support and method therefor |
| 06/02/2005 | CA2545231A1 Domestic heat and power generation system |
| 06/01/2005 | EP1536541A1 Appartus and method of using regenerative energy having stochastic availability |
| 06/01/2005 | EP1535384A1 System and method for power load management |
| 06/01/2005 | CN1623262A Vehicle |
| 06/01/2005 | CN1623130A System and method for residential emissions trading |
| 06/01/2005 | CN1204670C Dynamic series voltage compensator and method thereof |
| 05/31/2005 | US6900619 Reactive power compensation to minimize step voltage changes and transients |
| 05/31/2005 | US6900617 Method and circuit for using polarized device in AC applications |
| 05/31/2005 | US6900556 Power load-leveling system and packet electrical storage |
| 05/26/2005 | WO2005048429A1 Switchgear assembly |
| 05/26/2005 | WO2005008903A3 A power line communication system and method of operating the same |
| 05/26/2005 | WO2004038892A3 Hybrid variable speed generator/uninterruptible power supply power converter |
| 05/26/2005 | US20050114028 Weather prediction system and power demand prediction system, and weather prediction method and power demand prediction method |
| 05/25/2005 | EP1533893A2 Generator control system, generating apparatus control method, program and record medium |
| 05/25/2005 | DE10349965A1 Switching system, especially for high or medium voltage switching, has only one main switching device, which can be connected on input side to voltage feed and on output side to inputs of all outlet isolators |
| 05/25/2005 | CN1620552A Wind energy turbine and wind farm consisting of a plurality of wind energy |
| 05/25/2005 | CN1619941A Generator control system, generating apparatus control method, program and record medium |
| 05/25/2005 | CN1203246C Method and device for rapid power adjustment of power-generating facility |
| 05/24/2005 | US6898089 Solid state converter for high voltages |
| 05/24/2005 | US6897370 Power generation apparatus and its control method |
| 05/24/2005 | CA2445230C Method for operating a wind energy plant |
| 05/19/2005 | WO2005046044A1 A variable speed power generator having two induction generators on a common shaft |
| 05/19/2005 | WO2005046034A1 Harmonic neutralized frequency changer |
| 05/19/2005 | WO2005046019A1 Responsive electricity grid substation |
| 05/19/2005 | US20050107892 Generator control system, generating apparatus control method, program and record medium |
| 05/19/2005 | US20050105306 Power converter system |
| 05/19/2005 | US20050105224 Inverter apparatus connected to a plurality of direct current power sources and dispersed-power-source system having inverter apparatus linked to commercial power system to operate |
| 05/19/2005 | US20050104540 Multiplexed high voltage dc-ac driver |
| 05/19/2005 | CA2545110A1 Responsive electricity grid substation |
| 05/18/2005 | EP1531542A2 Inverter apparatus connected to a plurality of direct current power sources and dispersed-power-source system having inverter apparatus linked to commercial power system to operate |
| 05/18/2005 | EP1531533A1 Circuit for permanently supplying a load over a switchable line |
| 05/18/2005 | EP1356566B8 System of transport and distribution of energy to voltage inclusive between 600v and 1200v |
| 05/18/2005 | CN2701143Y Zero-current switched dynamic reactive power compensation or harmonic wave governing apparatus |
| 05/18/2005 | CN1618157A System for remotely controlling energy distribution at local sites |
| 05/18/2005 | CN1618156A Protective relay |
| 05/18/2005 | CN1618049A Device with controllable impedance |
| 05/18/2005 | CN1617438A Multiplexed high voltage DC-AC driver |
| 05/18/2005 | CN1617418A Combined movable power source |
| 05/18/2005 | CN1617417A Distributing apparatus for lift and its power saving method |
| 05/18/2005 | CN1202425C Electric energy managing network apparatus |
| 05/17/2005 | CA2283294C An active filter device |
| 05/12/2005 | WO2005043742A2 Universal three phase controllers for power converters |
| 05/12/2005 | WO2005043738A1 Method for setting switching times, in particular idle times, of an inverter based on detected power, and inverter |
| 05/12/2005 | WO2005043708A1 Electric power system suppressing corona discharge from viewpoint of environment |
| 05/12/2005 | WO2005022731A3 Transferring electric power from a primary side to a secondary side of a converter |
| 05/12/2005 | WO2005002021A8 Supply-line filter |
| 05/12/2005 | WO2004070907A3 Energy grid management method |
| 05/12/2005 | WO2003098703A3 Circuit arrangement for a photovoltaic system |
| 05/12/2005 | US20050102068 Energy management system |
| 05/12/2005 | US20050099829 Dual bridge matrix converter |
| 05/12/2005 | US20050099314 System and device for monitoring at least one houehold electric user, in particular a household appliance |
| 05/12/2005 | US20050099138 High efficiency lighting system |
| 05/11/2005 | EP1529329A2 Energy consumption monitoring |
| 05/11/2005 | EP1018127A4 Power distribution network incorporating a voltage support transformer and process of use |
| 05/11/2005 | CN2699559Y Double combined contactor |
| 05/11/2005 | CN2699558Y Switching device for power capacitor of low-voltage reactive-load compensation equipment |
| 05/11/2005 | CN2699557Y Anti-interference filter |
| 05/11/2005 | CN1615401A Wind power plant |
| 05/11/2005 | CN1201216C Method and system for raising failure bearing ability of power supply in connected computer system network |
| 05/11/2005 | CN1201157C Device and method for detecting earthing failure in solar generating system |
| 05/10/2005 | US6892145 Method and system for conditionally triggered system data capture |
| 05/10/2005 | US6892115 Method and apparatus for optimized centralized critical control architecture for switchgear and power equipment |
| 05/10/2005 | US6891478 Methods and apparatus for controlling electric appliances during reduced power conditions |
| 05/10/2005 | US6891303 High voltage AC machine winding with grounded neutral circuit |
| 05/10/2005 | US6891281 Method for operating a wind power station and wind power station |
| 05/06/2005 | WO2005041384A1 Power supply apparatus |
| 05/06/2005 | WO2005040992A2 Intelligent power management control system |
| 05/06/2005 | CA2543311A1 Intelligent power management control system |
| 05/05/2005 | US20050096857 Method and apparatus for reading and controlling electric power consumption |
| 05/05/2005 | US20050096797 Method, system and computer program for managing energy consumption |
| 05/04/2005 | EP1528650A1 Method and system for providing voltage support to a load connected to a utility power network |
| 05/04/2005 | EP1527505A2 Electrical network protection system |
| 05/04/2005 | CN2697929Y Intelligent reactive power compensator for exhauster motor |
| 05/04/2005 | CN1612435A Energy management program |
| 05/03/2005 | US6889122 Load controller and method to enhance effective capacity of a photovoltaic power supply using a dynamically determined expected peak loading |
| 05/03/2005 | US6888263 Gas turbine generator |
| 04/28/2005 | WO2005039014A1 Rectification system for improving power quality of electrical power systems |
| 04/28/2005 | US20050090995 Distributed asset optimization (DAO) system and method |
| 04/28/2005 | US20050088861 Harmonic neutralized frequency changer |
| 04/28/2005 | US20050088860 Starting circuit for power-converting apparatus |
| 04/27/2005 | EP1525656A1 Power converter |
| 04/27/2005 | CN2696199Y Passive power factor correction rectifier filter |
| 04/27/2005 | CN2696188Y Distribution voltage reactive comprehensive observe and control device |
| 04/27/2005 | CN1610230A Three-phase power factor correcting circuit with AC boosting mode |
| 04/27/2005 | CN1610207A Single-phase AC inputting electromagnetic interference killer circuit |
| 04/27/2005 | CN1609744A Power supply network voltage reactive-load remote control real-time optimization control method |
| 04/26/2005 | US6885915 Configuration of a part of an electrical power distribution network |
| 04/26/2005 | US6885914 Green power supply system and green power supply method |
| 04/26/2005 | US6885171 Compensation of reactive power via a frequency converter |
| 04/26/2005 | US6885115 System, method and apparatus for controllable power supply |
| 04/21/2005 | WO2005036684A2 Power electronics for fuel cell power system |
| 04/21/2005 | WO2004084389A3 System for transferring load between sources |