| Patents for H02J 3 - Circuit arrangements for ac mains or ac distribution networks (38,663) |
|---|
| 01/03/2007 | EP1739806A1 Load interrupter upon lowering of frequency |
| 01/03/2007 | EP0800717A4 Interconnection system for transmitting power between electrical systems |
| 01/03/2007 | CN2854917Y Device for reducing surge and higher harmonic |
| 01/03/2007 | CN2854894Y Distribution two-stage energy feedback type electronic load system |
| 01/03/2007 | CN2854893Y Capacitor switching monitoring device based on single-chip processor and configuration |
| 01/03/2007 | CN2854892Y Non-linear controller of static synchronous compensator based on DSP chip |
| 01/03/2007 | CN2854885Y High reliability switch power supply combining system and its output overvoltage protection circuit |
| 01/03/2007 | CN2854671Y 低压无功功率自动补偿控制器 Low-voltage reactive power automatic compensation controller |
| 01/03/2007 | CN1889350A Frequency transformer capable of continuously operating during power-off |
| 01/02/2007 | US7158521 Synchronization system and synchronization method of multisystem control apparatus |
| 01/02/2007 | US7158393 Power conversion and voltage sag correction with regenerative loads |
| 01/02/2007 | US7157812 Apparatus and method for modifying a power flow in a section of an electric power line |
| 12/28/2006 | WO2006137747A1 Communication system for inductive power transfer system |
| 12/28/2006 | WO2006135995A1 System and method for centralized monitoring of distributed power transformer |
| 12/28/2006 | WO2006005695A3 Method for controlling an electronic power converter that is connected to a direct-current source |
| 12/28/2006 | US20060290203 Voltage supply arrangement and method for production of electrical power |
| 12/28/2006 | DE102005027894A1 Hybrid power filter for induction machines of wind power plant , has circuit arrangement including parallel circuit of inductor and controlled power source, where predominant part of active current with power frequency flows via inductor |
| 12/28/2006 | CA2615828A1 System and method for centralized monitoring of distributed power transformers |
| 12/28/2006 | CA2609344A1 Fast acting distributed power system for transmission and distribution system load using energy storage units |
| 12/27/2006 | EP1737098A1 Damping electromagnetic oscillations in power system |
| 12/27/2006 | EP1735890A1 Electric installation for coupling a power supply system and a central direct current branch and method for operating an installation of this type |
| 12/27/2006 | EP1456728B1 Device with controllable impedance |
| 12/27/2006 | EP0885376B1 Optical encoder for driving an electric motor |
| 12/27/2006 | CN2852487Y Thyratron valve set mechanical structure of horizontal static reactive-load compensator |
| 12/27/2006 | CN2852486Y Automatic compensation device for full-automatic high-voltage parallel capacitor |
| 12/27/2006 | CN1886593A Wind power plant comprising a reactive power module for supporting a power supply system and corresponding method |
| 12/27/2006 | CN1885706A Renewable energy feed-back parallel network circuit and its control device |
| 12/27/2006 | CN1885675A Intelligent low voltage detection far-distance power supply system |
| 12/27/2006 | CN1885666A Four-way power supply equalization switched transformer station wiring method |
| 12/27/2006 | CN1885619A Power supply connecting line with restraining harmonic current |
| 12/27/2006 | CN1885444A Power transmission line |
| 12/27/2006 | CN1292525C Neural network inverse controller for controlled series capacitance compensating device and configuration method |
| 12/27/2006 | CN1292207C Control circuit for improving power factor of air conditioner |
| 12/26/2006 | US7155320 Distributed power delivery system |
| 12/26/2006 | US7154253 Digitally controlled modular power supply for automated test equipment |
| 12/26/2006 | US7154251 Dual controlled output voltage, anti-saturation, auto-transformer circuit methodology |
| 12/26/2006 | US7154195 Digital signal voting scheme |
| 12/21/2006 | WO2006134719A1 Load controlling device, load controlling method, load controlling circuit, load controlling program, and computer-readable recording medium where load controlling program is recorded |
| 12/21/2006 | WO2006115992A3 Reconfigurable backplane power distributor |
| 12/21/2006 | WO2005055388A3 Stand-alone electrical system for large motor loads |
| 12/21/2006 | US20060284604 Power manager for an electrical power generator |
| 12/20/2006 | EP1734424A1 System for controlling processes of power distribution produced by an electric power system |
| 12/20/2006 | CN2850126Y Power filter capable of preventing electromagnetic pulse |
| 12/20/2006 | CN2850093Y Harmonic compensator for power system |
| 12/20/2006 | CN1883094A Grid stabilising system |
| 12/20/2006 | CN1881767A Control structure of full power type AC-DC-AC converter for wind power generation |
| 12/20/2006 | CN1881732A Single-phase inverter parallel operated instantaneous power calculating method and device, and electrical property load driving device using the same |
| 12/20/2006 | CN1881731A Signal transmission method between two control protection system and two valve base electronic equipment of convertor station |
| 12/20/2006 | CN1881730A Method for low-voltage connecting reactive-load compensation device and active filtering device by electrolysis system transformer |
| 12/20/2006 | CN1881729A Harmonic measuring method for AC filter protection |
| 12/20/2006 | CN1881728A DC power transmission frequency modulation control realizing method for receiving end puny system |
| 12/20/2006 | CN1881726A Method for preventing AC filter continual on-off in DC power transmission reactive power control |
| 12/20/2006 | CN1881124A Electric power controlling and economizing apparatus and electric power controlling method |
| 12/20/2006 | CN1880756A Generating-uncontrolled wind power generator with frequency-fixed voltage-stable output |
| 12/20/2006 | CN1291537C Synchronous compensation |
| 12/20/2006 | CN1291536C Active harmonic wave suppressing device and control method |
| 12/19/2006 | US7152005 System for aiding the preparation of operation and maintenance plans for a power generation installation |
| 12/19/2006 | US7151354 Magnetic noise reduction method for AC rotary electric machine, and motor control apparatus and AC rotary electric machine apparatus using the same |
| 12/19/2006 | US7151329 Integrated protection, monitoring, and control system |
| 12/19/2006 | US7151327 System and method for supply distribution |
| 12/19/2006 | US7151326 System and method for safely and efficiently capturing power currently produced by already available power supplies to power electrical devices in a truck while its engine is turned off |
| 12/19/2006 | US7151234 Outlet panel for single pin connectors |
| 12/14/2006 | WO2006132760A2 Optimized energy management system |
| 12/14/2006 | WO2006132070A1 Electric power supply system |
| 12/14/2006 | US20060282196 Operation-assisting system and operation-assisting computer program |
| 12/14/2006 | US20060279139 Universal power converter having integral AC converter |
| 12/13/2006 | EP1730828A1 Switching system for controlling electrical loads |
| 12/13/2006 | EP1730617A2 Constant current class 3 lighting system |
| 12/13/2006 | CN2847644Y Filter circuit for suppressing electromagnetic interfence for 3P frequency variable air conditioner |
| 12/13/2006 | CN2847643Y Filter circuit for suppressing electromagnetic interference for 2P frequency variable air conditioner |
| 12/13/2006 | CN2847611Y Drawer type reactive power automatic compensation power box |
| 12/13/2006 | CN1879275A Method for operating or controlling a wind turbine and method for providing primary control power by means of wind turbines |
| 12/13/2006 | CN1878990A Domestic heat and power system |
| 12/13/2006 | CN1877979A Solar grid-connected electricity-generation energy output maximization circuit structure |
| 12/13/2006 | CN1877951A Dual-DSP control circuit of photovoltaic grid-connected device with STATCOM function |
| 12/13/2006 | CN1877759A Power factor corrector |
| 12/12/2006 | US7149637 Detecting electromechanical oscillations in power systems |
| 12/12/2006 | US7149605 Electrical power distribution control methods, electrical energy demand monitoring methods, and power management devices |
| 12/12/2006 | US7148649 Hybrid-electric vehicle having a matched reactance machine |
| 12/12/2006 | US7148585 Power grid backfeed protection apparatus |
| 12/12/2006 | CA2246910C Electric series circuit |
| 12/07/2006 | WO2006128709A2 Grid responsive control device |
| 12/07/2006 | WO2006128397A1 Method for avoiding undesired, measurement error-induced protective tripping within a protection system of an hvdc transmission system |
| 12/07/2006 | WO2005111484A3 Electric control and supply system |
| 12/07/2006 | US20060276938 Optimized energy management system |
| 12/07/2006 | DE102006014121A1 System und Verfahren zum Betrieb eines Windparks bei hohen Windgeschwindigkeiten System and method for operating a wind farm at high wind speeds |
| 12/06/2006 | EP1729393A1 Electric power system protective device |
| 12/06/2006 | EP1729223A2 Demand control apparatus, electric power consumption prediction method, and program therefor |
| 12/06/2006 | EP1728304A1 Method for operating a frequency converter of a generator and wind energy turbine having a generator operated according to the method |
| 12/06/2006 | CN2845270Y Automatic high voltage reactive power compensator |
| 12/06/2006 | CN2845253Y Combined transformer with double way power source switched automatically |
| 12/06/2006 | CN1874105A Demand control apparatus, electric power consumption prediction method, and program therefor |
| 12/06/2006 | CN1874101A Bridge circuit type current limiting energy storage circuit |
| 12/06/2006 | CN1874100A Line-to-line voltage compensation type current limiting energy storage circuit |
| 12/06/2006 | CN1288818C Method of parallel operation for uninterruptible power supply |
| 12/05/2006 | US7146258 Direct current power pooling |
| 12/05/2006 | US7146256 Power source switching unit and power source management system comprising it |
| 12/05/2006 | US7145266 Parallel-connected inverters with separate controllers having impedance current regulators |
| 12/05/2006 | US7145265 AC/DC hybrid power system |
| 12/05/2006 | US7144646 Method and apparatus for multiple mode control of voltage from a fuel cell system |