| Patents for H02J 3 - Circuit arrangements for ac mains or ac distribution networks (38,663) |
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| 04/11/2007 | CN1945919A Method for realizing composite power system stabilizer |
| 04/11/2007 | CN1945918A Method and device for treating electric grid harmonic wave |
| 04/11/2007 | CN1945917A Dynamic voltage compensator control system based on monocyclic control and its working method |
| 04/11/2007 | CN1310393C Harmonic superscale protecting method in low-voltage reactive compensation |
| 04/11/2007 | CN1310392C Reactive power conpensating method |
| 04/10/2007 | US7203622 Value-based transmission asset maintenance management of electric power networks |
| 04/10/2007 | US7202638 Anti-islanding protection systems for synchronous machine based distributed generators |
| 04/10/2007 | US7202575 Semiconductor integrated circuit device |
| 04/10/2007 | CA2562609A1 Methods and apparatus for coupling an energy storage system to a variable energy supply system |
| 04/10/2007 | CA2415235C A power system for producing a regulated dc output voltage |
| 04/05/2007 | WO2007037754A1 An induction regulator for power flow control in an ac transmission network |
| 04/05/2007 | WO2007037753A1 An induction regulator for power flow control in an ac transmission network and a method of controlling such network |
| 04/05/2007 | WO2006121893A3 Power factor correction apparatus and method of producing a power factor correction capacitance for a specified load |
| 04/05/2007 | WO2006119831A3 Consumer and system |
| 04/05/2007 | WO2006042482A3 Wiring diagram for watt and blind current component compensation in the earth fault point and phase-to-ground voltage equalization under failure-free network condition |
| 04/05/2007 | WO2005120160A3 External versatile battery with power saving mode |
| 04/05/2007 | US20070078567 Method for Controlling a Wind Energy Turbine of a Wind Park comprising Multiple Wind Energy Turbines |
| 04/05/2007 | US20070075588 Supply voltage selector |
| 04/05/2007 | DE102005046766B3 Retainer for positioning conductor e.g. electrical cable, in structural component in modern airplane, has support, where retainer experiences torque that is deduced over support and interference units as pair of forces in component |
| 04/04/2007 | EP1770844A2 Power conditioner |
| 04/04/2007 | EP1770843A2 Independent operation detecting apparatus and control method of the same |
| 04/04/2007 | CN1942842A Dynamic reactive compensation system and method |
| 04/04/2007 | CN1941540A Method for controlling a wind energy turbine of a wind park comprising multiple wind energy turbines |
| 04/04/2007 | CN1941539A Independent operation detecting apparatus and control method of the same |
| 04/04/2007 | CN1941538A System interconnection system |
| 04/04/2007 | CN1941537A Power conditioner |
| 04/04/2007 | CN1941536A Control system and control method for cogeneration system |
| 04/04/2007 | CN1309141C Control method of series mixed active power filter having base wave by-pass channel |
| 04/04/2007 | CN1309140C Waveform correcting filter |
| 04/04/2007 | CN1309139C Pole transformer load monitoring system using wireless internet |
| 04/03/2007 | US7200500 Determining parameters of an equivalent circuit representing a transmission section of an electrical network |
| 04/03/2007 | US7200467 Method and apparatus for power management control of a cooling system in a consumer accessible appliance |
| 04/03/2007 | US7200017 Controller and driving method for supplying energy to display device circuitry |
| 03/29/2007 | WO2007035429A1 Predictive contract system and method |
| 03/29/2007 | WO2007035133A1 Ground electrode |
| 03/29/2007 | WO2007035111A1 Stabilizing winding for mvb in tn and tt grids |
| 03/29/2007 | WO2007033620A1 Control method for transmitting direct current |
| 03/29/2007 | WO2007033619A1 Control method for direct current transmission by means of several power converters |
| 03/29/2007 | WO2007033599A1 A customer intelligent reactive power automatic compensation energy-saved device |
| 03/29/2007 | WO2007033502A1 Reactive power compensation device |
| 03/29/2007 | WO2007033501A1 Reactive power compensation device |
| 03/29/2007 | US20070069587 Dual input power supply |
| 03/29/2007 | US20070069583 Apparatus for the redundant power supply of at least one load |
| 03/29/2007 | US20070069582 Forward converter |
| 03/29/2007 | US20070069579 Electrical power control system |
| 03/29/2007 | US20070068162 Control system and control method for cogeneration system |
| 03/29/2007 | DE102006033836A1 Power supply system controlling method for e.g. diesel engine, involves deactivating energy supply to inverter on change of energy level, when system is in effective islanding condition |
| 03/29/2007 | DE102005044639A1 Idle power compensating device for switching voltage levels, has switching assemblies connected with respective bidirectional power semiconductor switches, and capacitors serially connected with each other |
| 03/29/2007 | CA2623263A1 Control method for direct-current transmission |
| 03/29/2007 | CA2623262A1 Control method for direct current transmission by means of several power converters |
| 03/28/2007 | EP1768223A2 Method for operation of a converter system |
| 03/28/2007 | EP1766765A2 Method for controlling an electronic power converter that is connected to a direct-current source |
| 03/28/2007 | EP1766751A2 High-voltage direct-current transmission device |
| 03/28/2007 | EP1766750A1 Bi-directional energy conversion system |
| 03/28/2007 | EP1766745A1 Current protection apparatus and method |
| 03/28/2007 | EP1766491A1 Output power factor control of pulse-width modulated inverter |
| 03/28/2007 | CN2884648Y Main loop of high voltage static/dynamic reactive power compensator |
| 03/28/2007 | CN2884647Y Reactive compensator of electrical network |
| 03/28/2007 | CN2884646Y Intelligent reactive compensator |
| 03/28/2007 | CN2884645Y General multifunction electricity saver |
| 03/28/2007 | CN1938920A Load interrupter upon lowering of frequency |
| 03/28/2007 | CN1937349A Comprehensive dynamic compensating device for distribution network |
| 03/28/2007 | CN1937348A User side powergrid environmental-protection electricity-saving device |
| 03/28/2007 | CN1937347A Graded hierarchical reactive voltage optimized control method |
| 03/27/2007 | US7197378 Coordinating controller for electric power equipment |
| 03/27/2007 | US7196436 Solid state relay for switching AC power to a reactive load and method of operating the same |
| 03/27/2007 | US7196433 Multi-output device with preset power supply priority |
| 03/27/2007 | US7196286 Heating apparatus, auxiliary power supply apparatus, auxiliary power supply system, fixation apparatus, and moving picture formation apparatus |
| 03/22/2007 | WO2007031357A2 Decentralized power supply device and method |
| 03/22/2007 | WO2005085634A8 System for regulating the active power of a wind farm |
| 03/22/2007 | US20070067068 Predictive contract system and method |
| 03/22/2007 | US20070067065 Electricity market-oriented dc-segmentation design and optimal scheduling for electrical power transmission |
| 03/22/2007 | US20070063588 Method and apparatus for storing and protecting conduit |
| 03/22/2007 | DE102005044641A1 Idle power compensation device for circuit of multiple switching voltage levels, has switching groups that are interconnected with one another, where condensers of groups are serially connected with one another |
| 03/22/2007 | DE102005043883A1 Vorrichtung und Verfahren zur dezentralen Energieversorgung Apparatus and method for decentralized energy supply |
| 03/21/2007 | EP1764894A1 Method for detecting islanding operation of a distributed generator |
| 03/21/2007 | EP1479144A4 Method and system for external clock to obtain multiple synchronized redundant computers |
| 03/21/2007 | CN2882114Y Asynchronous-motor energy-saving controller for beam pump |
| 03/21/2007 | CN2882078Y Reactive compensation and power filter |
| 03/21/2007 | CN2882077Y High-voltage series capacitor compensator |
| 03/21/2007 | CN2882076Y Static sync compensator based on crystal brake tube |
| 03/21/2007 | CN2882075Y Zero cross trigger high voltage dynamic reactive power compensation device |
| 03/21/2007 | CN2882074Y Series active filter with short-circuit current-limit function |
| 03/21/2007 | CN2882073Y Energy-saving inductive circuit |
| 03/21/2007 | CN2882072Y Dynamic integral compensation controller for electric energy quality |
| 03/21/2007 | CN1934779A Wind energy unit |
| 03/21/2007 | CN1934761A Power system for area containing a set of power consumers |
| 03/21/2007 | CN1933307A Active passive mixed single phase power factor correcting circuit |
| 03/21/2007 | CN1933275A Zero-power dissipation photovoltaic combining inverter |
| 03/21/2007 | CN1933274A H bridge cascade active electric filter DC side capacitance-voltage equalizing controlling maethod |
| 03/21/2007 | CN1933273A Power supply wave shape correcting filter |
| 03/21/2007 | CN1933069A Digital control switch |
| 03/20/2007 | US7194338 Voltage collapse diagnostic and ATC system |
| 03/20/2007 | US7193335 Sensing socket assembly |
| 03/20/2007 | US7191710 Electrical power storage and delivery using magnetic levitation technology |
| 03/15/2007 | WO2007028350A1 Device for electron energy transfer |
| 03/15/2007 | WO2007028349A1 Device for electron energy transfer |
| 03/15/2007 | CA2622089A1 Apparatus for electrical power transmission |
| 03/15/2007 | CA2622057A1 Apparatus for electrical power transmission |
| 03/14/2007 | EP1689059A4 Supply-line filter |