| Patents for H02J 3 - Circuit arrangements for ac mains or ac distribution networks (38,663) |
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| 08/02/2007 | WO2007086032A2 Power supply with shunt capacitor and load in resonance |
| 08/02/2007 | WO2007085310A1 Communication structure for solar inverters |
| 08/02/2007 | US20070179675 System for dispatching and controlling of generation in large-scale electric power systems |
| 08/02/2007 | US20070177411 Diode bridge configurations for increasing current in a distributed power network |
| 08/02/2007 | US20070177338 Inverter device |
| 08/02/2007 | US20070177319 Responsive electricity grid substation |
| 08/02/2007 | US20070176493 Method and system for powering a patient monitoring system |
| 08/02/2007 | DE102007005165A1 Verfahren, Vorrichtung und Computerprogrammprodukt zur Stromeinspeisung A method, apparatus and computer program product for current injection |
| 08/01/2007 | EP1813807A2 System and method for integrating wind and hydroelectric generation and pumped hydro energy storage systems |
| 08/01/2007 | CN2930084Y 有源功率因数校正器 Active Power Factor Correction |
| 08/01/2007 | CN2930053Y General intelligent power saving device |
| 08/01/2007 | CN2930052Y Dynamic reactive power compensator |
| 08/01/2007 | CN2930051Y Intelligent power saving device for oil pump unit |
| 08/01/2007 | CN2930050Y 有源滤波器 Active filters |
| 08/01/2007 | CN2929986Y Power connector with compressed harmonic current |
| 08/01/2007 | CN1330070C Power management wake-up circuit, method and apparatus |
| 08/01/2007 | CN1330066C Method for adjusting reactive power of capacitor and apparatus therefor |
| 08/01/2007 | CN1330065C High voltage transmission and distribution device |
| 08/01/2007 | CN101010848A 电功率流控制 Electric power flow control |
| 08/01/2007 | CN101009475A Wind turbine dump load system and method |
| 08/01/2007 | CN101009432A Sampling circuit and voltage sampling method for three-level power factor calibration circuit |
| 08/01/2007 | CN101009431A Rotating electromagnetic energy transformation device |
| 08/01/2007 | CN101009430A Apparatus, method and computer program product for tracking information in an electric grid |
| 07/31/2007 | US7250694 Power-saving control module for an electrical appliance |
| 07/26/2007 | WO2007084041A1 A transmission system and a method for control thereof |
| 07/26/2007 | WO2007084040A1 A transmission system |
| 07/26/2007 | WO2007084039A1 A converter |
| 07/26/2007 | WO2007084037A1 A converter station and a method for control thereof |
| 07/26/2007 | WO2007084036A1 A converter station |
| 07/26/2007 | WO2007084035A1 A converter station |
| 07/26/2007 | WO2007084034A1 A converter station |
| 07/26/2007 | WO2006128709A3 Grid responsive control device |
| 07/26/2007 | DE102005062349A1 Verfahren und System zur automatischen Bestimmung des Abschaltverhaltens eines Lastabschaltsystems Method and system for automatically determining the shutdown of a Lastabschaltsystems |
| 07/25/2007 | EP1811628A1 Method for regulation of power distributed to thermal loads or of power generated by generators |
| 07/25/2007 | CN2927448Y Low-voltage reactive compensator |
| 07/25/2007 | CN2927447Y Integrated cased high-voltage parallel capacitor |
| 07/25/2007 | CN2927446Y Electricity saver with surge protection |
| 07/25/2007 | CN2927445Y Active resonance injection mixed power-supply filter |
| 07/25/2007 | CN101006631A Line filter |
| 07/25/2007 | CN101005208A Electrical power generation system and method for generating electrical power |
| 07/24/2007 | US7249043 Computer program and method for reducing HVAC demand for energy |
| 07/24/2007 | US7248978 System and method for routing power management data via XML firewall |
| 07/24/2007 | US7248977 Phasor transducer apparatus and system for protection, control, and management of electricity distribution systems |
| 07/24/2007 | US7248946 Inverter control methodology for distributed generation sources connected to a utility grid |
| 07/20/2007 | CA2574509A1 System and method for operating multiple devices from one electrical source |
| 07/19/2007 | WO2006005293A3 High-voltage direct-current transmission device |
| 07/19/2007 | US20070168087 Generator controller |
| 07/19/2007 | US20070165347 Dc/dc converter and decentralized power generation system comprising a dc/dc converter |
| 07/19/2007 | US20070164614 Circuit arrangement for voltage selection, and method for operating a circuit arrangement for voltage selection |
| 07/19/2007 | US20070164613 Power supply apparatus |
| 07/19/2007 | US20070164612 Decentralized power generation system |
| 07/18/2007 | EP1808947A2 Isolated operation detecting method, control apparatus for detecting isolated operation for distributed power supply, isolated operation detecting apparatus, and distributed power supply |
| 07/18/2007 | EP1807921A1 Management system for in-house power quantity consumed |
| 07/18/2007 | EP1277266B1 Method for configuring an electrical installation and corresponding configuration device |
| 07/18/2007 | EP1078435B1 Line powered, primary side connected apparatus injecting voltage compensation into an electric power line using one transformer |
| 07/18/2007 | CN2924885Y Middle-small-sized wind-power generator system |
| 07/18/2007 | CN2924884Y Powerless compensation control box |
| 07/18/2007 | CN2924883Y Three-phase imbalance regulating and powerless compensating device |
| 07/18/2007 | CN2924882Y Dynamic harmonic absorption device |
| 07/18/2007 | CN1327588C Electric power load regulating system and method |
| 07/18/2007 | CN1327587C Voltage control method based on soft partitions in power system |
| 07/18/2007 | CN101002376A Low loss propulsion system |
| 07/18/2007 | CN101001074A Telescopic double-rotor wind power generator control system and its excitation control method |
| 07/18/2007 | CN101001072A Telescopic double-rotor wind wheel electric excitation mode and its control system and its electric machine |
| 07/18/2007 | CN101001036A Variable speed constant frequency wind-mill generator and its excitation control system and its control method |
| 07/18/2007 | CN101001018A Three-phase unbalance load compensation method |
| 07/17/2007 | US7245469 DC backup power supply device and method for diagnosing the same |
| 07/17/2007 | US7245110 System for using polarized device with an AC induction motor |
| 07/17/2007 | US7245045 T-filter for reducing disturbances generated on a power grid by an active filter |
| 07/17/2007 | US7245037 Wind power fed network |
| 07/17/2007 | US7244524 Method and system for balanced control of backup power |
| 07/17/2007 | CA2343187C Apparatus for eliminating noise in ac power waveform |
| 07/12/2007 | WO2007078238A1 Cooling of high voltage devices |
| 07/12/2007 | WO2007078226A1 Cooling of high voltage devices |
| 07/12/2007 | WO2007078218A1 Balancing device |
| 07/12/2007 | US20070162189 Method and Apparatus for Determining Actual Reactive Capability Curves |
| 07/12/2007 | US20070159737 Method for operating a wind turbine during a disturbance in the grid |
| 07/12/2007 | US20070159006 Power supply apparatus and display apparatus having the same |
| 07/12/2007 | DE102007002102A1 Einrichtung, Verfahren und Computerprogramm zur Verfolgung von Information in einem elektrischen Netz Means, methods, and computer program for the monitoring of information in an electrical network |
| 07/12/2007 | DE102005047686A1 Vorrichtung zur redundanten Energieversorgung wenigstens einer Last Apparatus for redundant power supply at least one load |
| 07/12/2007 | CA2644842A1 Cooling of high voltage devices |
| 07/11/2007 | EP1805862A1 Electric power flow control |
| 07/11/2007 | CN2922243Y Domestic electronic type electricity-saving device |
| 07/11/2007 | CN2922239Y Unit structure type Low-voltage reactive-load compensation device |
| 07/11/2007 | CN2922238Y Switch unit device used for low-voltage reactive-load compensation device |
| 07/11/2007 | CN2922237Y Electricity-saving device |
| 07/11/2007 | CN2922236Y Integrated wide-band power supply wave filter |
| 07/11/2007 | CN2922224Y Special intelligent tank type converting station used for oil well |
| 07/11/2007 | CN1997824A Active power regulating system of a wind farm |
| 07/11/2007 | CN1996746A Exciting magnetic control method of the dual-rotor wind power generation and its control system |
| 07/11/2007 | CN1996745A Speed-varying and frequency-converting excitation method of the cover-overlapping dual-rotor wind-driven machine and its generator |
| 07/11/2007 | CN1996744A Speed-varying and constant-frequency excitation system of the cover-overlapping dual-rotor wind motor and its generator |
| 07/11/2007 | CN1996700A Reactive power compensation and power filtering device |
| 07/11/2007 | CN1996699A Three-phase negative/positive and zero-sequence harmonious wave power filter |
| 07/11/2007 | CN1996698A Control method for the mixing compensation system of the active power filter and parallel capacitor |
| 07/10/2007 | US7242114 Thermostat device with line under frequency detection and load shedding capability |
| 07/10/2007 | US7242110 Control system for canceling load unbalance of three-phase circuit |
| 07/05/2007 | WO2007075458A2 Model based optimization of a single or multiple power generating units |
| 07/05/2007 | WO2007075131A1 Thyristor controlled series capacitor module |
| 07/05/2007 | WO2007075058A1 Circuit for transmitting an amplified resonant power to load |