| Patents for H02J 3 - Circuit arrangements for ac mains or ac distribution networks (38,663) |
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| 09/30/2004 | WO2004084389A2 System for transferring load between sources |
| 09/30/2004 | WO2004084371A1 Method and apparatus for optimization control of power plant |
| 09/30/2004 | CA2518122A1 System for transferring load between sources |
| 09/29/2004 | EP1461737A1 A method and a system for trading energy contracts in an exchange |
| 09/29/2004 | CN2645323Y Power distribution load observing and control terminal |
| 09/29/2004 | CN2645316Y Digital active electric power filter |
| 09/29/2004 | CN1533524A Automatic power factor correction system |
| 09/29/2004 | CN1533018A Integration converton with three phase power factor correction |
| 09/29/2004 | CN1169273C Phase-splitting cross-zero trigger controller for switching capacitor of thyristor |
| 09/29/2004 | CN1169272C Harmonic, reactive and negative sequence comprehensive control method for complicated power system |
| 09/28/2004 | US6799091 Electrical energy control system |
| 09/28/2004 | US6798159 VSD control |
| 09/28/2004 | CA2388654C Energy conserving motor controller |
| 09/23/2004 | WO2004082096A1 Compensation method for a voltage unbalance |
| 09/23/2004 | WO2004082095A1 Power receiving facility power factor adjusting system |
| 09/23/2004 | WO2004082052A1 Power supply system |
| 09/23/2004 | WO2004081591A1 Method for determining a negative sequence component |
| 09/23/2004 | WO2004036475A3 Scheduling a process according to time-varying input prices |
| 09/23/2004 | US20040186671 Electrical power transmission |
| 09/23/2004 | US20040186670 Phasor transducer apparatus and system for protection, control, and management of electricity distribution systems |
| 09/23/2004 | US20040183503 Method and circuit for using polarized device in AC applications |
| 09/23/2004 | US20040183378 Method and system for transferring a load between AC voltage sources |
| 09/23/2004 | US20040183377 Combined harmonic filter and phase converter or phase shifting device |
| 09/23/2004 | US20040183307 Wind power generation system |
| 09/23/2004 | DE202004007025U1 Table lamp with mobile phone holder e.g. for charging mobile phone, has slot to receive mobile phone, lamp and printed circuit board which is contained in lamp box with charging current connected to connector |
| 09/22/2004 | EP1460266A2 Wind turbine with laser apparatus for measuring the wind velocity |
| 09/22/2004 | EP1459420A1 Conduit bushing |
| 09/22/2004 | EP1209795B1 Topology initialization and actualization method of a high or medium voltage electrical installation |
| 09/22/2004 | CN1530867A Energy evaluation supporting system and method |
| 09/22/2004 | CN1168197C Excitation control device and mehtod therefor |
| 09/21/2004 | US6794855 Voltage stabilization control method and voltage stabilization control apparatus |
| 09/16/2004 | WO2004079842A1 Power supply system and fuel cell unit |
| 09/16/2004 | WO2004079549A2 Electricity market-oriented dc-segmentation design and optimal scheduling |
| 09/16/2004 | US20040181491 Method, computer equipment and a program for planning of electric power generation and electric power trade |
| 09/16/2004 | US20040181478 Security constrained unit commitment pricing optimization using linear programming for electricity markets |
| 09/16/2004 | US20040181460 Optimized load prediction for security constrained unit commitment dispatch using linear programming for electricity markets |
| 09/16/2004 | US20040181421 Optimized transmission and load security constrained unit commitment dispatch using linear programming for electricity markets |
| 09/16/2004 | US20040181420 Optimized security constrained unit commitment dispatch using linear programming for electricity markets |
| 09/16/2004 | US20040181369 System for aiding the preparation of operation and maintenance plans for a power-generation installation |
| 09/16/2004 | US20040178781 Controller and driving method for power circuits, electrical circuit for supplying energy and display device having the electrical circuit |
| 09/16/2004 | US20040178766 Power management topologies |
| 09/16/2004 | US20040178641 Detection of islanded behavior and anti-islanding protection of a generator in grid-connected mode |
| 09/16/2004 | US20040178640 Gas turbine generator |
| 09/16/2004 | US20040178639 Method for operating a wind energy plant |
| 09/16/2004 | CA2562103A1 Electricity market-oriented dc-segmentation design and optimal scheduling |
| 09/15/2004 | EP1456728A1 Device with controllable impedance |
| 09/15/2004 | EP1456590A2 A domestic combined heat and power unit |
| 09/15/2004 | CN2641888Y Dynamic reactive power compensation cabinet for low voltage power network |
| 09/15/2004 | CN2641887Y Reactance energy saving device |
| 09/15/2004 | CN2641886Y Parallel harmonic comprehensive suppressor |
| 09/15/2004 | CN2641885Y Self-adaptive harmonic comprehensive suppressor |
| 09/15/2004 | CN1529930A Power conversion apparatus, Power conversion system and islanding operation method |
| 09/15/2004 | CN1167178C Static reactive compensator |
| 09/15/2004 | CN1167177C Harmonic suppression device |
| 09/10/2004 | WO2004077637A1 Power generating apparatus |
| 09/10/2004 | WO2004057720A3 Transport-lag compensator |
| 09/09/2004 | US20040174071 System and method for monitoring and controlling energy distribution |
| 09/08/2004 | EP1454399A2 System for remotely controlling energy distribution at local sites |
| 09/08/2004 | EP1454332A1 Method for predicting a future voltage and/or current curve |
| 09/08/2004 | CN2640095Y Explosion-proof intelligent power factor automatic compensation device |
| 09/08/2004 | CN2640094Y 三相操作箱 Three-phase operation box |
| 09/08/2004 | CN1528042A Current inverter |
| 09/08/2004 | CN1527456A Parallel mixed power filter for electrified railway |
| 09/07/2004 | US6789208 System for synchronized power supply control over a plurality of electronic devices by determining whether any one of the electronic devices conforms to a predetermined condition and synchronously switching on or off each device that satisfies the predetermined condition |
| 09/07/2004 | US6788034 Method for operating a transformer from a drivable voltage source, as well as an apparatus for carrying out the method |
| 09/02/2004 | WO2004075391A1 Energy management controller |
| 09/02/2004 | US20040172204 Automatic transfer switch system with synchronization control |
| 09/02/2004 | US20040170038 Fuel cell system and control method |
| 09/02/2004 | US20040169972 Power grid backfeed protection apparatus |
| 09/02/2004 | US20040169497 Induction generator power supply |
| 09/02/2004 | DE4221910B4 Schalteranordnung zur automatischen Spannungsregelung unter Berücksichtigung von Blindleistung Switch arrangement for automatic voltage regulation, including reactive power |
| 09/01/2004 | CN2638329Y Electricity-saving device for three-phase ac motor |
| 09/01/2004 | CN2638315Y Reactive power compensation control disc |
| 09/01/2004 | CN2638314Y Power supply regulator |
| 09/01/2004 | CN2638311Y Total automation device for transformer substation |
| 09/01/2004 | CN1525616A Method for adjusting reactive power of capacitor and apparatus therefor |
| 08/31/2004 | US6785620 Energy efficiency measuring system and reporting methods |
| 08/31/2004 | US6785592 System and method for energy management |
| 08/31/2004 | US6784564 Method of operating a wind power installation and a wind power installation |
| 08/31/2004 | CA2275817C Automatic transfer switch |
| 08/26/2004 | WO2004073137A1 Device and method for generating electric current |
| 08/26/2004 | WO2004073136A1 Power system |
| 08/26/2004 | US20040167732 Method and apparatus for preventing overloads of power distribution networks |
| 08/26/2004 | US20040167731 Failure rate adjustment for electric power network reliability analysis |
| 08/26/2004 | US20040167677 System and method for planning energy supply and interface to an energy management system for use in planning energy supply |
| 08/26/2004 | US20040164718 Automatic power factor correction using power measurement chip |
| 08/26/2004 | US20040164557 Monopolar dc to bipolar to ac converter |
| 08/25/2004 | CN2636495Y Energy saving protector |
| 08/25/2004 | CN2636478Y Wattless power compensation controller |
| 08/25/2004 | CN2636477Y Voltage dropping starting explosion proof power saving capacity increasing compensation device for breaking phase alarming and automatic breaking |
| 08/25/2004 | CN1524162A Method for operating a wind energy plant |
| 08/25/2004 | CN1523727A AC-DC-AC power network parallel operation rotary inverter |
| 08/25/2004 | CN1523726A Integrated method for realizing parallel operation power generation and power network reactive power compensation simultaneously |
| 08/25/2004 | CN1164020C Power factor correction circuit for three-phase power supply system |
| 08/19/2004 | WO2004070907A2 Energy grid management method |
| 08/19/2004 | WO2004059814A3 Power control interface between a wind farm and a power transmission system |
| 08/19/2004 | WO2004057347A3 Real time power flow method for distribution system |
| 08/19/2004 | WO2002017151A8 Method to enable customers to respond to prices in a pool type energy market |
| 08/19/2004 | US20040162793 Methods for the management of a bulk electric power market |
| 08/19/2004 | US20040159102 Photovoltaic power generating apparatus, method of producing same and photovoltaic power generating system |