| Patents for H02J 3 - Circuit arrangements for ac mains or ac distribution networks (38,663) |
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| 02/16/2006 | DE20380352U1 Netzfilter Line filter |
| 02/16/2006 | DE19960491B4 Vorrichtung und Verfahren zur Regelung des Antriebs einer Fördereinrichtung Apparatus and method for controlling the drive of a conveyor device |
| 02/16/2006 | DE102004017146B4 Schaltwandler mit wenigstens zwei Wandlerstufen Switching Converters with at least two converter stages |
| 02/15/2006 | EP1625646A1 Power distribution system |
| 02/15/2006 | EP1232559A4 Energy conserving motor controller |
| 02/15/2006 | CN2759032Y Distribution voltage-regulating compensation monitoring controller |
| 02/15/2006 | CN1734879A Electrical energy mass compositive controller for power system transformer substation |
| 02/15/2006 | CN1734878A Control method for restraining oscillate based on mixed electric power filter |
| 02/15/2006 | CN1734877A Multi-channel harmonic wave restraining device |
| 02/15/2006 | CN1242528C Sine wave inverter capable of parallel operation |
| 02/14/2006 | US6999328 Controller circuit supplying energy to a display device |
| 02/14/2006 | US6999291 Method and apparatus for node electronics unit architecture |
| 02/09/2006 | US20060030972 Voltage collapse diagnostic and ATC system |
| 02/09/2006 | US20060028347 Apparatus and method for protecting an uninterruptible power supply and critical loads connected thereto |
| 02/09/2006 | DE19858218B4 Verfahren zur Einhaltung eines oberen Gesamtleistungsgrenzwertes für eine Gruppe von elektrischen Verbrauchern beim Bezug von elektrischer Energie von einem Energieversorgungsunternehmen und eine Vorrichtung zur Durchführung desselben The same procedures to comply with an upper limit overall performance for a group of electrical consumers in the supply of electrical energy from a power company and an apparatus for carrying |
| 02/09/2006 | DE102005029818A1 Verfahren und Vorrichtung zur Bereitstellung einer ökonomischen Analyse von Stromerzeugung und -verteilung Method and apparatus for providing an economic analysis of power generation and distribution |
| 02/08/2006 | EP1623495A1 Power supply circuits |
| 02/08/2006 | EP1312022A4 Method to enable customers to respond to prices in a pool type energy market |
| 02/08/2006 | CN2757403Y Improvement of reactive capacitance compensation circuit in power grid |
| 02/08/2006 | CN2757003Y Power factor correcting module for variable frequency air conditioner |
| 02/08/2006 | CN1732606A Hybrid power flow controller and method |
| 02/08/2006 | CN1731648A High voltage reactive-load compensation complete equipment |
| 02/08/2006 | CN1731647A TCR controller |
| 02/08/2006 | CN1731646A Separate injection active power filter and frequency-divided self-adaptive control method |
| 02/08/2006 | CN1731645A Voltage control method based on soft partitions in power system |
| 02/08/2006 | CN1241028C Direct earth detector and system connecting generating device using it |
| 02/07/2006 | US6995993 Rectification system for improving power quality of electrical power systems |
| 02/07/2006 | US6995992 Dual bridge matrix converter |
| 02/02/2006 | WO2006011956A2 Power flow controller responsive to power circulation demand for optimizing power transfer |
| 02/02/2006 | US20060023478 Power conversion system |
| 02/02/2006 | DE19934543B4 Verfahren und Vorrichtung zur Einhaltung eines oberen Gesamtleistungsgrenzwertes für eine Anzahl von Verbrauchern beim Bezug von Energie Method and apparatus for maintaining an upper limit overall performance for a number of consumers in terms of energy |
| 02/02/2006 | DE102004034936A1 Elektrisches Energieversorgungssystem und Betriebsverfahren hierfür The electric power supply system and operating method therefor |
| 02/01/2006 | EP1581842A4 Circuit protection system |
| 02/01/2006 | EP1332546A4 A power load-leveling system and packet electrical storage |
| 02/01/2006 | EP1072081B1 Method for adjusting total power of an electric installation, especially of a group of electric consumer |
| 02/01/2006 | CN2755845Y Inserting controller of power supply |
| 02/01/2006 | CN2755840Y Crystal brake tube throw switching reactive compensating controller of capacitance |
| 02/01/2006 | CN2755839Y Partial tuning filter based on crack core or magnetic valve controllable reactor |
| 02/01/2006 | CN2755838Y Power supply distributor against electromagnetic interference |
| 02/01/2006 | CN2755307Y Doubling net inverting wind big-power generating system with permanent-magnent direct driven |
| 02/01/2006 | CN1729603A Method and system for feeding electrical energy into an alternating current electrical mains |
| 02/01/2006 | CN1728496A Seamless switching technique for incorporation PWM inverter into power network based on amplitude adjustment of output voltage |
| 01/31/2006 | US6990906 Electrical power storage and delivery using magnetic levitation technology |
| 01/31/2006 | CA2289821C Split circuit 120/240 volt adapter |
| 01/26/2006 | WO2006008322A2 Emc filter |
| 01/26/2006 | WO2005117136A3 Photovoltaic installation for feeding an electric grid, and central control and monitoring device for a photovoltaic installation |
| 01/26/2006 | WO2005107035A3 Power supply device |
| 01/26/2006 | US20060017324 Communications network using installed electrical power lines |
| 01/26/2006 | CA2570466A1 Current protection apparatus and method |
| 01/25/2006 | EP1619768A1 Filter with virtual shunt nodes |
| 01/25/2006 | EP1618642A1 A cellular minigrid |
| 01/25/2006 | CN2754250Y Voltage reactive automatic compensation complete apparatus |
| 01/25/2006 | CN2754249Y Aternating current energy-saving protection device |
| 01/25/2006 | CN1726626A Method and apparatus for control of an electric power distribution system in response to circuit abnormalities |
| 01/25/2006 | CN1238940C Circuit for maintaining voltage on DC side in balance |
| 01/24/2006 | US6990395 Energy management device and architecture with multiple security levels |
| 01/24/2006 | US6989989 Power converter cooling |
| 01/24/2006 | CA2421785C Island network and method for operation of an island network |
| 01/19/2006 | WO2006005956A2 Connecting a prime mover driven alternator to a circuit with an existing alternating current |
| 01/19/2006 | WO2006005695A2 Method for controlling an electronic power converter that is connected to a direct-current source |
| 01/19/2006 | WO2006005293A2 High-voltage direct-current transmission device |
| 01/19/2006 | US20060012249 Power supply device |
| 01/19/2006 | US20060012181 Voltage control for wind generators |
| 01/19/2006 | CA2573005A1 Method for regulating a converter connected to a dc voltage source |
| 01/19/2006 | CA2572726A1 High-voltage direct-current transmission device |
| 01/19/2006 | CA2571758A1 Connecting a prime mover driven alternator to a circuit with an existing alternating current |
| 01/18/2006 | EP1616381A1 Wind farm and method for operating same |
| 01/18/2006 | EP1219001B1 Method for recognizing an oscillation in an electric supply network |
| 01/18/2006 | CN2753056Y Power factor correct circuit with sectional control function |
| 01/18/2006 | CN2753033Y Voltage depression compensation and current-limiting circuit |
| 01/18/2006 | CN2752960Y Power unit applying with large power semiconductor device |
| 01/18/2006 | CN1722565A Uninterruptible power supply |
| 01/18/2006 | CN1722564A Method for controlling, restraining and eliminating voltage network harmonic of transformer magnetic circuit |
| 01/18/2006 | CN1722563A Switching type power convertor and its synchronous rectifier control method |
| 01/18/2006 | CN1237701C System automatically influencing electric network and motor drive for said system |
| 01/17/2006 | US6988025 System and method for implementing XML on an energy management device |
| 01/17/2006 | US6987331 Voltage recovery device for use with a utility power network |
| 01/12/2006 | US20060007718 Power supply apparatus providing medium voltage direct current |
| 01/12/2006 | US20060007715 AC/DC power converter |
| 01/11/2006 | EP1614203A1 Electric circuit breaker |
| 01/11/2006 | CN1719687A Automatic master-slave parallel apparatus for inverter |
| 01/11/2006 | CN1719686A Steady-state controlling method of current parallel voltage compensator for superconductive energy storage |
| 01/11/2006 | CN1719685A On-the-spot surge-free reactive compensator for motor |
| 01/11/2006 | CN1719684A Voltage change compensator |
| 01/10/2006 | US6985800 Protection of an electric power transmission network |
| 01/10/2006 | US6985784 Configuring a centrally controlled circuit breaker protection system |
| 01/10/2006 | US6984962 Device and a method for voltage control in an electric transmission network |
| 01/10/2006 | US6984900 Intelligent electrical switch |
| 01/10/2006 | US6984898 Method of operating a wind power installation and a wind power installation |
| 01/10/2006 | CA2388892C Electric power system interconnection device |
| 01/05/2006 | DE202005013061U1 Controlled electricity supply meter units protecting grid from overload, switching spikes and blackout, leave only small emergency supply connected when cut off under remote control |
| 01/04/2006 | EP1612906A1 Coal energy utilization system by superconducting power transmission |
| 01/04/2006 | EP1611657A2 Method and system for transferring a load between ac voltage sources |
| 01/04/2006 | CN2750568Y AC electrolytic capacitor |
| 01/04/2006 | CN2750518Y A power line plug having electromagnetic compatibility |
| 12/29/2005 | WO2005124985A1 Matrix converter for coupling three-phase voltage networks |
| 12/29/2005 | WO2005124962A1 Apparatus and method for inductive power transfer |
| 12/29/2005 | WO2005124959A2 Device for the transmission of electrical energy between supply networks |
| 12/29/2005 | WO2004100348A8 Power supply circuits |
| 12/29/2005 | US20050286189 Method and apparatus for automatic power line configuration |