| Patents for H02J 3 - Circuit arrangements for ac mains or ac distribution networks (38,663) |
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| 02/25/2004 | CN1477750A Waveform correcting filter |
| 02/25/2004 | CN1477749A Coordinated controller for electric power equipment |
| 02/25/2004 | CN1140044C Bipolar great power pulse power source |
| 02/25/2004 | CN1140031C Control apparatus and method for electric power system |
| 02/24/2004 | US6697951 Distributed electrical power management system for selecting remote or local power generators |
| 02/24/2004 | US6697745 Technique and apparatus to control the transient response of a fuel cell system |
| 02/24/2004 | US6697270 Active damper for DC generation systems |
| 02/19/2004 | WO2004015837A2 Energy consumption monitoring |
| 02/19/2004 | WO2004015433A1 System and method for synchronizing electrical generators |
| 02/19/2004 | US20040034484 Demand-response energy management system |
| 02/19/2004 | US20040032167 Power control center for outdoor use to transfer household voltage and low voltage to remote locations |
| 02/19/2004 | US20040032127 Power system having generator driven by engine |
| 02/19/2004 | DE10234766A1 Wind power facility for converting wind energy into alternating current voltage has a rotor exposed to the wind and a generator coupled to the rotors |
| 02/18/2004 | EP1389829A1 Power converter and electric power generator |
| 02/18/2004 | EP1389819A1 Automatic creation of a design for a high or medium voltage power transmission network |
| 02/18/2004 | CN1476138A 电源滤波器 Power Filters |
| 02/18/2004 | CN1476137A Three phase electron electricity saving apparatus |
| 02/17/2004 | US6694270 Phasor transducer apparatus and system for protection, control, and management of electricity distribution systems |
| 02/17/2004 | US6693809 Device for equal-rated parallel operation of single-or three-phase voltage sources |
| 02/17/2004 | US6693409 Control system for a power converter and method of controlling operation of a power converter |
| 02/12/2004 | WO2003090038A9 Automatic energy management and energy consumption reduction, especially in commercial and multi- building systems |
| 02/12/2004 | WO2003049248A3 System for remotely controlling energy distribution at local sites |
| 02/12/2004 | US20040030457 On-line control of distributed resources with different dispatching levels |
| 02/12/2004 | US20040027750 Digital protection and control device |
| 02/12/2004 | US20040027112 Power converter and electric power generator |
| 02/12/2004 | US20040027095 Wind energy turbine and wind farm consisting of a plurality of wind energy turbines |
| 02/12/2004 | US20040027004 On-line control of distributed resources with different dispatching levels |
| 02/12/2004 | US20040027003 Multi-output device with preset power supply priority |
| 02/12/2004 | US20040025496 System and method for synchronizing electrical generators |
| 02/12/2004 | DE10006844B3 Controlling fixed position local converters supplying high voltage at special low frequency to railway system, measures phase angle from harmonic |
| 02/11/2004 | CN2603496Y High-efficient switch |
| 02/11/2004 | CN1474492A Power converter and power generator |
| 02/11/2004 | CN1474163A Alternating test system |
| 02/10/2004 | US6691065 System foraiding the preparation of operation and maintenance plans for a power generation installation |
| 02/10/2004 | US6690594 Electrical power conservation apparatus and method |
| 02/10/2004 | US6690175 Method and device for assessing the stability of an electric power transmission network |
| 02/05/2004 | WO2003077398A3 Separate network and method for operating a separate network |
| 02/05/2004 | US20040024685 Security constrained optimal dispatch for electricity markets |
| 02/05/2004 | US20040024494 On-line control of distributed resources with different dispatching levels |
| 02/05/2004 | US20040024475 Method and apparatus for optimized centralized critical control architecture for switchgear and power equipment |
| 02/05/2004 | US20040022079 Active backup power supply with power factor correction and output voltage regulation |
| 02/05/2004 | US20040021470 System and method for island detection |
| 02/05/2004 | US20040021321 Portable power generator |
| 02/05/2004 | DE10232074A1 Verfahren zur Versorgung einer entfernt angeordneten, variablen Last mit einer konstanten Wechselspannung A method of providing an ordered removed, variable load with a constant AC voltage |
| 02/05/2004 | DE10226755A1 Controlling energy supply for large sports facilities involves using predictions, resource planning for load balancing before cost-optimized connection of external supplies according to energy type |
| 02/04/2004 | EP1387462A2 Co-generated power supply system |
| 02/04/2004 | EP1387461A1 Static VAR (reactive power) compensator for A.C. railway networks |
| 02/04/2004 | EP1387460A2 Power supply arrangement for the galley of a vehicle, in particular for an aircraft |
| 02/04/2004 | EP1386078A1 Method for operating a wind energy plant |
| 02/04/2004 | EP1142090B1 Voltage switch-over device |
| 02/04/2004 | CN2602536Y Reactive power generating device for increasing power generation capacity of low capacity hydroelectric power station in high-water period |
| 02/04/2004 | CN2602535Y Discharging coil for power capacitor group |
| 02/04/2004 | CN1472861A Alarming control power supply systems |
| 01/29/2004 | WO2004010558A1 Active power filter apparatus with reduced va rating for neutral current suppression |
| 01/29/2004 | US20040019573 Security constrained optimal dispatch for load prediction for electricity markets |
| 01/29/2004 | US20040019410 Protection system for power distribution systems |
| 01/29/2004 | DE10228983A1 Elektrisches Leistungsversorgungssystem, Kennwertermittlung- und Diagnosesystem und Diagnoseverfahren An electrical power supply system, Kennwertermittlung- and diagnostic system and diagnostic methods |
| 01/28/2004 | EP1385259A2 A system for high power drives |
| 01/28/2004 | CN1471210A Single-phase electronic power-saving device |
| 01/28/2004 | CN1136459C Method and apparatus for detecting out-of-step in electric power system |
| 01/22/2004 | WO2004008600A2 Electrical network protection system |
| 01/22/2004 | WO2003073224A3 Electrical protection system for reliability improvement based on sensitivity analysis |
| 01/22/2004 | US20040015454 System and method for residential emissions trading |
| 01/22/2004 | US20040015433 Bidding for energy supply to resellers and their customers |
| 01/22/2004 | US20040015428 Bidding for energy supply |
| 01/22/2004 | CA2492429A1 Electrical network protection system |
| 01/21/2004 | EP1383221A2 Method of supplying a distant, variable load with a constant AC voltage |
| 01/21/2004 | CN2600966Y High-performance passive three-phase filter circuit |
| 01/21/2004 | CN2600846Y Intelligent regulation and control converting station |
| 01/21/2004 | CN1470092A Island network and method for operation of an island network |
| 01/21/2004 | CN1469523A Multi-stage power station power supply scheme |
| 01/21/2004 | CN1469522A Electronic equipment with remote controller and protective casing and its power source controlling method |
| 01/21/2004 | CN1135673C Hybrid filter for AC electric network |
| 01/20/2004 | US6681156 System and method for planning energy supply and interface to an energy management system for use in planning energy supply |
| 01/20/2004 | US6681155 Optimizing control method and optimizing control system for power plant |
| 01/20/2004 | US6681154 System and method for monitoring and controlling energy distribution |
| 01/20/2004 | US6680602 Reactive power compensator |
| 01/20/2004 | US6680547 Power sharing system including rechargeable power source |
| 01/20/2004 | CA2219293C Power conversion system for bi-directional conversion between hydraulic energy and electrical energy |
| 01/15/2004 | WO2004005685A1 Method for operating an energy storing energy generating plant |
| 01/15/2004 | WO2003067358A3 Voltage source and current source with capacitor |
| 01/15/2004 | US20040010478 Pricing apparatus for resolving energy imbalance requirements in real-time |
| 01/15/2004 | US20040010453 Method and system for trade of goods, in particular electricity, water, fuel gas and the like |
| 01/15/2004 | US20040010350 Distributed power generation system protection scheme |
| 01/15/2004 | US20040008527 Active EMI filter |
| 01/15/2004 | US20040008014 Method of providing a constant AC voltage to a remote variable load |
| 01/14/2004 | EP1381132A1 Power network parameter estimation |
| 01/14/2004 | EP1380097A2 Current inverter |
| 01/14/2004 | EP1379780A1 Method for operating a wind energy plant |
| 01/14/2004 | CN1467896A Capacitor interior compensation electrical equipment |
| 01/13/2004 | US6678620 Method for promoting energy saving in fluid machinery |
| 01/13/2004 | US6678176 Method and apparatus for a solar power conditioner |
| 01/13/2004 | US6678174 Power converting apparatus, control method therefor, and power generation system |
| 01/08/2004 | WO2004003362A1 Power fluctuation suppressing method and power generation facility using same |
| 01/08/2004 | WO2003073571A3 External clock to obtain multiple synchronized computer |
| 01/08/2004 | WO2002103465A3 Method and apparatus for bundling transmission rights and energy for trading |
| 01/08/2004 | US20040006502 Valuing and optimizing scheduling of generation assets for a group of facilities |
| 01/08/2004 | US20040006439 Method and apparatus for reading and controlling utility consumption |
| 01/08/2004 | US20040004402 Dual input DC-to-DC power converter |
| 01/08/2004 | CA2487370A1 Power fluctuation suppressing method and power generation facility using same |