| Patents for H02J 3 - Circuit arrangements for ac mains or ac distribution networks (38,663) |
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| 07/24/2013 | CN203086140U Intelligent electricity-saving controller |
| 07/24/2013 | CN203086139U Chain type SVG achieving active filtering function based on chain type power unit topological structure |
| 07/24/2013 | CN203086138U Chain type SVG active filtering control structure |
| 07/24/2013 | CN203086137U Budgeting device of line loss of power distribution network |
| 07/24/2013 | CN203085989U Time switch integrated power distribution cabinet |
| 07/24/2013 | CN203085328U Electric reactor of low-voltage compensation device |
| 07/24/2013 | CN203083197U Multisource domain type combined? cooling?,?heating?and?power (CCHP) energy network system |
| 07/24/2013 | CN103219912A Control method suitable for universal input voltage buck-boost grid-connected inverter |
| 07/24/2013 | CN103219910A 功率转换器电路 A power converter circuit |
| 07/24/2013 | CN103219908A Method for controlling balance of direct current side of cascaded grid-connected inverter based on zero sequence and negative sequence voltage injection |
| 07/24/2013 | CN103219791A Energy switching device and method |
| 07/24/2013 | CN103219751A Control method of active power of clustered wind power plants |
| 07/24/2013 | CN103219750A Method and system for controlling wind turbine generator unit to operate in limited power mode |
| 07/24/2013 | CN103219749A Grid-connected photovoltaic power generation system capable of dynamically switching invert units and switching method thereof |
| 07/24/2013 | CN103219748A Determination method and system of power grid wind electricity digestion capability |
| 07/24/2013 | CN103219747A Method for realizing high efficiency and high reliability of photovoltaic grid-connected micro inverted power supply |
| 07/24/2013 | CN103219746A PSS (power system stabilizer) parameter dynamic coordination method and device based on chaotic optimization |
| 07/24/2013 | CN103219745A Grid-connected inverter control algorithm based on orthogonal sine wave extractor |
| 07/24/2013 | CN103219744A Resistance-capacitance type crowbar capacitance parameter determination method including voltage drop amplitude factors |
| 07/24/2013 | CN103219743A Pilot node selecting method based on wind electric power fluctuation probability characters |
| 07/24/2013 | CN103219742A Three-phase grid-connected inverter and three-phase electric reactor |
| 07/24/2013 | CN103219741A Method for improving voltage recovery characteristics of large-scale wind electricity through direct current outgoing system |
| 07/24/2013 | CN103219740A Grid connecting system of permanent magnet synchronous wind driven generator |
| 07/24/2013 | CN103219739A Emergent power supporting control method |
| 07/24/2013 | CN103219738A Direct current transmission system based on three-pole type structure |
| 07/24/2013 | CN103219737A Coordination control method applied to flywheel energy storage matrix system of wind power plant |
| 07/24/2013 | CN103219736A Control method of suppressing double-frequency fluctuation on direct current side of permanent magnetic direct-drive wind power generation system through flywheel energy-storing unit |
| 07/24/2013 | CN103219735A Method and system for inhibiting total active power fluctuation through doubly fed induction wind power system |
| 07/24/2013 | CN103219734A Intelligent type reactive compensation system |
| 07/24/2013 | CN103219733A Scattered power generation reactive compensation device and method with harmonic suppression function |
| 07/24/2013 | CN103219732A reactive voltage controlling method of power distribution network with variable speed constant frequency wind farm |
| 07/24/2013 | CN103219731A Three-phase phase-locked loop method appropriate for photovoltaic grid connected low voltage ride through |
| 07/24/2013 | CN103219730A Estimation method of capacity exchange ability between large regional grids of electric system |
| 07/24/2013 | CN103219729A Device for effectively suppressing harmonic waves in working current of magnetically controlled reactor |
| 07/24/2013 | CN103219728A Agricultural electrified system |
| 07/24/2013 | CN103219727A Divisional power grid structure dynamic adjustment method based on actual measurement of power management unit (PMU) |
| 07/24/2013 | CN103219726A Microgrid topology structure based on energy storage |
| 07/24/2013 | CN103219725A Wind power plant equivalent modeling method based on real-time operation data |
| 07/24/2013 | CN103219724A System and method of multiple-target control of intelligent power grid |
| 07/24/2013 | CN103219722A Method for improving failure recovery characteristics of large-scale wind electricity through direct current outgoing system |
| 07/24/2013 | CN103218756A Grid fault accident identification system |
| 07/24/2013 | CN102566463B Measurement and control unit of low-voltage static var generator |
| 07/24/2013 | CN102403715B Data matching method for electric power system |
| 07/24/2013 | CN102332726B Control method based on output of power grid line overload speed reduction unit |
| 07/24/2013 | CN102255319B Electrical network voltage wattless real time control assessment method based on section data extraction and system thereof |
| 07/24/2013 | CN102157940B Device for eliminating voltage harmonics of power system |
| 07/24/2013 | CN102066748B Wind turbine operation method and system |
| 07/24/2013 | CN102035256B Auxiliary decision method for recovering group multiattitude of power system |
| 07/24/2013 | CN101482587B Switching detector of reactive compensator |
| 07/23/2013 | US8494684 Substation automatic control system |
| 07/23/2013 | US8493717 Electronic device |
| 07/23/2013 | US8492927 Universal power supply system |
| 07/23/2013 | US8492926 Photovoltaic power plant output |
| 07/18/2013 | WO2013105323A1 Energy control device, and energy control system provided with energy control device |
| 07/18/2013 | WO2013105259A1 Capacity determination device and method for storage battery system, storage battery system based on same, and power supply system provided together with storage battery system |
| 07/18/2013 | WO2013104767A1 Control system and method for control of electrical devices |
| 07/18/2013 | WO2013034422A3 Method of managing a facility for producing and storing renewable energy |
| 07/18/2013 | US20130184890 Digital wireless network receptacle |
| 07/18/2013 | US20130184884 Dispatchable renewable energy generation, control and storage facility |
| 07/18/2013 | US20130181630 Digital load control system providing power and communication via existing power wiring |
| 07/18/2013 | US20130181533 Power converter for a solar panel |
| 07/18/2013 | US20130181524 Advance power-saving power socket for power saving system |
| 07/18/2013 | US20130181519 Power conversion system for energy storage system and controlling method of the same |
| 07/18/2013 | DE102012200679A1 Schaltungsanordnung zur Reduktion der Stromstärke in einer Hochspannungs-Gleichstrom-Übertragungsleitung, Hochspannungs-Gleichstrom-Übertragungsanlage und Verfahren zum Reduzieren der Stromstärke eines elektrischen Stromes A circuit arrangement for reducing the current in a high voltage direct current transmission line, high voltage direct current transmission system and method for reducing the amperage of an electric current |
| 07/18/2013 | DE102012010512A1 Universal current distribution management method for e.g. provision of automatic emergency power system for manufacturing plant, involves providing current paths based on network load condition by switching arrangements |
| 07/18/2013 | DE102007030451B4 Stromversorgungsvorrichtung A power supply apparatus |
| 07/17/2013 | EP2615710A1 Circuit and method for accumulating energy produced by renewable sources. |
| 07/17/2013 | EP2615465A1 Method for power visualization and device for power visualization |
| 07/17/2013 | EP2614599A1 Electric installation device |
| 07/17/2013 | EP2614573A2 Method for stabilizing an electric grid |
| 07/17/2013 | EP2614572A2 Detecting islanding conditions in power networks |
| 07/17/2013 | EP2614571A1 Energy storage system and controlling method of the same |
| 07/17/2013 | EP2614570A2 Method for automatically re-phasing the current of a domestic electrical network |
| 07/17/2013 | EP2614569A1 An apparatus and method for controlling power |
| 07/17/2013 | EP2614568A1 Method for switching to a more favorable consumption tariff for a domestic appliance, and domestic appliance suitable for said method |
| 07/17/2013 | EP2614566A1 Method and system for disconnecting a generator from a power system |
| 07/17/2013 | CN203071849U Soft starting current limiting compensation and harmonic filtering integration apparatus of high-voltage high-power motor |
| 07/17/2013 | CN203071593U Automatic grid-connected circuit |
| 07/17/2013 | CN203071592U Pcs voltage frequency control system |
| 07/17/2013 | CN203071591U Full-power conversion system of synchronous wind-driven generator |
| 07/17/2013 | CN203071590U Power optimization?device, solar panel and grid-connected power generation system |
| 07/17/2013 | CN203071589U Control system of photovoltaic grid-connected inverter |
| 07/17/2013 | CN203071588U Photovoltaic micro-grid system |
| 07/17/2013 | CN203071587U Multi-end flexible direct current transmission system |
| 07/17/2013 | CN203071586U Flexible direct-current power transmission system |
| 07/17/2013 | CN203071585U PCS active/reactive control system |
| 07/17/2013 | CN203071584U Self-excitation magnetic controllable reactor reactive compensation control device |
| 07/17/2013 | CN203071583U Low-voltage reactive compensation thyristor switch capacitor compensation device |
| 07/17/2013 | CN203071582U Three-phase AC (alternating-current) electromotor power saver |
| 07/17/2013 | CN203071581U Equipotential intelligent capacitor bank |
| 07/17/2013 | CN203071580U Reactance rate self-adaptive type low-voltage power capacitor |
| 07/17/2013 | CN203071579U SVG (Static Var Generator) control system specially used for low-voltage double-bus double-segment wiring |
| 07/17/2013 | CN203071578U Electrical appliance control system based on electricity price |
| 07/17/2013 | CN203071577U Novel active power filtering controller |
| 07/17/2013 | CN203071576U Multi-voltage level harmonic disturbance source generation?system |
| 07/17/2013 | CN203071550U Machine-side circuit of converter |
| 07/17/2013 | CN203071549U Machine-side circuit of converter |
| 07/17/2013 | CN103210558A Method for operating a local energy network |
| 07/17/2013 | CN103208939A Photovoltaic micro-inverter based on secondary-side reference current reconstruction, control system and control method |
| 07/17/2013 | CN103208825A Photovoltaic charging system and charging station |