| Patents for H02J 3 - Circuit arrangements for ac mains or ac distribution networks (38,663) |
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| 09/09/2009 | EP2099113A1 Method and device for controlling a printer should an electrical supply network be interrupted or fail |
| 09/09/2009 | EP2098013A1 Electrical power usage controller |
| 09/09/2009 | CN201307770Y Device with modular configuration for low-voltage distribution system |
| 09/09/2009 | CN101529687A Electric power system |
| 09/09/2009 | CN101529686A System for generating, converting, distributing and electrically starting on board an aircraft |
| 09/09/2009 | CN101527585A Device for achieving electric power system data self-adapting compression and method thereof |
| 09/09/2009 | CN101527460A Engine recovery device |
| 09/09/2009 | CN101527459A Automatic-adaptive high-effect energy-saving grid-connection feedback-type electronic loader |
| 09/09/2009 | CN101527458A Parallel type energy feedback elevator system |
| 09/09/2009 | CN101527457A Staggered driving PWM compensating current generator and control method thereof |
| 09/09/2009 | CN101527456A Composite detection method for active filter |
| 09/09/2009 | CN101527455A Interconnected electric network distributed current calculating method on the basis of alternation and iteration of current module |
| 09/09/2009 | CN101527454A Method for automatically generating annual running mode report of power grid |
| 09/09/2009 | CN101527453A Electric equipment control and management method |
| 09/09/2009 | CN101526957A Pattern-model integrated version management method applied in power automatization system |
| 09/09/2009 | CN100539354C Power system separation decision space screening method |
| 09/08/2009 | US7586210 Power delivery control and balancing between multiple loads |
| 09/03/2009 | WO2009107373A1 Operation plan creatiion method and device for energy storage device |
| 09/03/2009 | WO2009107130A1 Power system for air conditioning systems |
| 09/03/2009 | WO2009106266A2 Arrangement for the supply of at least one device located in a control panel, distribution unit, or installation housing with auxiliary power |
| 09/03/2009 | WO2008145985A3 Control of power distribution to a plurality of electrical loads |
| 09/03/2009 | US20090219737 Transmission system and a method for control thereof |
| 09/03/2009 | US20090218885 Slope control device capable of predicting uniform-current-sharing level and method thereof |
| 09/03/2009 | US20090218884 Contactless Battery Charging Apparel |
| 09/03/2009 | DE202009008618U1 Mechanische Energiespeicheranlage zur gezielten Aufnahme und Wiederabgabe von elektrischer Energie Mechanical energy storage system for selective uptake and delivery of electrical energy |
| 09/03/2009 | DE102008027887A1 Method for controlling energy feed for multiple single-phase inverters in multi-phase network, involves determining which single-phase inverter feeds which phase of multi-phase network |
| 09/02/2009 | EP2096732A1 Energy system comprising a wind or water turbine |
| 09/02/2009 | EP2096299A2 Automatic generation control augmentation for wind plant integration |
| 09/02/2009 | EP2095482A2 Estimation of real-time power system quantities using time-synchronized measurements |
| 09/02/2009 | CN201303251Y Parallel hybrid active filter with reactive power compensation based on phase controlled switch technique |
| 09/02/2009 | CN101521467A High-frequency distribution transformer |
| 09/02/2009 | CN101521388A Windfarm collector system loss optimization |
| 09/02/2009 | CN101521387A Remote synchronizing method for restoring electric network |
| 09/02/2009 | CN101521386A Traction power supply direct hanging type high voltage comprehensive compensation device |
| 09/02/2009 | CN101521385A Dynamic voltage compensator for three-phase power supply system |
| 09/02/2009 | CN101521384A Static low-voltage reactive power automatic compensation device |
| 09/02/2009 | CN101521383A Low-voltage power and capacitance combined electrical appliance adopting wireless online |
| 09/02/2009 | CN101521382A Capacitor tuning type series adjustable reactor |
| 09/02/2009 | CN101521381A Composite device for active dynamic reactive power compensation and filtering |
| 09/02/2009 | CN101521380A Automatic generation control augmentation for wind plant integration |
| 09/02/2009 | CN101521379A Isolating device for a power semiconductor and method for operation thereof, power module and system installation |
| 09/02/2009 | CN101521378A Electric power supply and consumption method with lean electric power |
| 09/02/2009 | CN101521358A Combined low-voltage switch cabinet and working method thereof |
| 09/02/2009 | CN101520812A Power system dynamic equivalence method based on niche immune algorithm |
| 09/02/2009 | CN100536277C High-efficiency single-phase and three-phase grid-connected generating system |
| 09/02/2009 | CN100536275C A powerless optimization compensation method for 10KV distribution network unit line |
| 09/01/2009 | US7582986 Compensated inverse-time undervoltage load shedding systems |
| 09/01/2009 | US7582985 Electrical energy saving system |
| 09/01/2009 | US7582979 Electric power supply system |
| 08/27/2009 | WO2009104971A1 Electronic dc circuit breaker |
| 08/27/2009 | WO2009104166A1 Energy consumption management |
| 08/27/2009 | WO2009103504A2 Wind energy plant having a double-energized asynchronous generator and converter control |
| 08/27/2009 | WO2009083447A3 Apparatus and method for operating a wind turbine under low utility grid voltage conditions |
| 08/27/2009 | US20090217060 Power supply control device |
| 08/27/2009 | US20090216387 Methods and system to manage variability in production of renewable energy |
| 08/27/2009 | US20090216386 Load shed transfer mechanism and method |
| 08/27/2009 | US20090212628 System and method for inductive power supply control using remote device power requirements |
| 08/27/2009 | US20090212563 System and method for improving performance of power constrained wind power plant |
| 08/27/2009 | DE102008010043A1 Verfahren zum Betrieb von einem Gerät mit redundanten Netzteilen sowie Gerät mit redundanten Netzteilen Method for operating a device with redundant power supplies, and equipment with redundant power supplies |
| 08/27/2009 | DE102008007145A1 Stromeinspeisungsvorrichtung Current injection device |
| 08/27/2009 | CA2716325A1 Photovoltaic ladder inverter |
| 08/27/2009 | CA2716157A1 Wind energy plant having converter control |
| 08/27/2009 | CA2715996A1 Wind energy plant having a double-energized asynchronous generator and converter control |
| 08/26/2009 | EP2093855A2 Systems and methods of dynamic reactive voltage support for a power transmission system |
| 08/26/2009 | EP2092625A2 Current bypass for distributed power harvesting systems using dc power sources |
| 08/26/2009 | EP1925062B1 Decentralized power supply device and method |
| 08/26/2009 | CN201298845Y Isolator for powerline carrier |
| 08/26/2009 | CN201298755Y House adaptive electric power load priority distributor |
| 08/26/2009 | CN201298734Y Main electrical wiring for starting fuel gas and steam combined cycle generator set in two-drive-one mode with variable frequency |
| 08/26/2009 | CN201298733Y Reactive power compensation system of low-voltage distribution circuit |
| 08/26/2009 | CN201298671Y Instrument for evenly distributing public electricity in corridor |
| 08/26/2009 | CN101517879A Method for control of inverters |
| 08/26/2009 | CN101517854A 电压源换流器站 Voltage source converter station |
| 08/26/2009 | CN101515722A System for improving performance of power constrained wind power plant |
| 08/26/2009 | CN101515721A 10KV high voltage wind-powered generator set system with power stabilizing device |
| 08/26/2009 | CN101515720A Centralized control impulse type voltage-wattless automatic control system in thermal power plant |
| 08/26/2009 | CN101515719A Method for establishing generator shafting multimass block damping variable model and device thereof |
| 08/26/2009 | CN100533909C Apparatus for effectively compensating three-phase unbalance load and reactive power |
| 08/25/2009 | US7580817 Method and system for predicting solar energy production |
| 08/25/2009 | US7580775 Method and apparatus for implementing enablement state decision for energy consuming load based on demand and duty cycle of load |
| 08/25/2009 | US7579716 Power storage device and image forming apparatus |
| 08/25/2009 | US7579715 Device and method for transmitting and providing the power of capacitive actuators |
| 08/25/2009 | US7579712 Power system protection system |
| 08/25/2009 | US7579711 Automatic sensing power systems and methods |
| 08/25/2009 | US7579707 Discharge prevention circuit and electronic equipment provided with the discharge prevention circuit |
| 08/20/2009 | WO2009103020A2 Renewable energy delivery systems and methods |
| 08/20/2009 | WO2009102842A2 Method and apparatus for distributed var compensation |
| 08/20/2009 | WO2009101234A1 Series voltage compensator and method for series voltage compensation in electrical generators |
| 08/20/2009 | WO2009061219A3 Power control |
| 08/20/2009 | WO2008154220A3 Integrated multiple fuel renewable energy system |
| 08/20/2009 | US20090206949 Electrical waveform adjuster |
| 08/20/2009 | CA2715340A1 Method and apparatus for distributed var compensation |
| 08/20/2009 | CA2715238A1 Series voltage compensator and method for series voltage compensation in electrical generators |
| 08/19/2009 | EP2090090A1 Power system for a telecommunications network |
| 08/19/2009 | EP2089949A2 Modular power converters usable alone or in a multiphase power converter |
| 08/19/2009 | EP1851842B1 Independent automatic shedding branch circuit breaker |
| 08/19/2009 | EP1275185B1 Computer-assisted testing method for a wiring system |
| 08/19/2009 | CN201294482Y Economic operation intelligent control device for distribution transformer |
| 08/19/2009 | CN201294479Y Harmonic excitation system capable of being operated in parallel |
| 08/19/2009 | CN201294388Y Multipath automatic quasi synchronization device |