| Patents for H02J 3 - Circuit arrangements for ac mains or ac distribution networks (38,663) |
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| 09/04/2013 | CN103280840A Distributed type photovoltaic energy storage system and working method thereof |
| 09/04/2013 | CN103280839A Different-capacitance transformer paralleling alternate operation electricity-saving method and device |
| 09/04/2013 | CN103280838A Wind power generation high-voltage direct current grid-connected system based on open coil structure and control method thereof |
| 09/04/2013 | CN103280837A Photovoltaic grid connected direct current injecting restraining method |
| 09/04/2013 | CN103280836A Flywheel energy storage system grid-connected control method and energy storage system thereof |
| 09/04/2013 | CN103280835A Method for controlling power generation state of three-phase grid-connected photovoltaic inverter |
| 09/04/2013 | CN103280834A Variable speed constant frequency and energy storage method and device for wind power generation |
| 09/04/2013 | CN103280833A Method for controlling power distribution network based on energy storage and photovoltaic coordination of active mechanism |
| 09/04/2013 | CN103280832A Direct-drive wind power system for wind power plant |
| 09/04/2013 | CN103280831A Rectifying and energy feedback system of hoisting equipment |
| 09/04/2013 | CN103280830A Overload control method suitable for large-scale wind power centralized access |
| 09/04/2013 | CN103280829A Isolation double-stage chain type current transformer applied to energy storage of high-capacity battery |
| 09/04/2013 | CN103280828A Hybrid power generation system for room air conditioner |
| 09/04/2013 | CN103280827A Control system used for hybrid electric power room air conditioner, and control method thereof |
| 09/04/2013 | CN103280826A Inverter grid connection security detection method and inverter grid connection circuit |
| 09/04/2013 | CN103280825A Multi-inverter coordination control device and control method for photovoltaic power station |
| 09/04/2013 | CN103280824A Control method of direct current bus voltage for voltage sag generator |
| 09/04/2013 | CN103280823A Power grid real-time and automatic scheduling strategy based on mobile energy storage equipment |
| 09/04/2013 | CN103280822A Intelligent distribution network scheduling management system for charging behavior of electric automobile |
| 09/04/2013 | CN103280821A Multi-period dynamic reactive power optimization method of intelligent power distribution system |
| 09/04/2013 | CN103280820A Direct current side capacitor voltage balance control method of chained static synchronous compensator |
| 09/04/2013 | CN103280819A Paralleling reactor compensation loop of transformer substation and compensation method of paralleling reactor compensation loop of transformer substation |
| 09/04/2013 | CN103280818A Transformer substation reactive voltage control method and system |
| 09/04/2013 | CN103280817A Reactive balance area determining method based on tabu search |
| 09/04/2013 | CN103280816A Thyristor zero-crossing triggering device based on non-linear sampling |
| 09/04/2013 | CN103280815A User side low-voltage reactive power compensation device |
| 09/04/2013 | CN103280814A Wind power plant reactive voltage comprehensive control system and method |
| 09/04/2013 | CN103280813A TCSC (thyristor controlled series capacitor) controller for voltage control and control method thereof |
| 09/04/2013 | CN103280812A Reactive voltage optimal control method for wind power plant cluster |
| 09/04/2013 | CN103280811A Novel power quality control system with fault current-limiting function and control method thereof |
| 09/04/2013 | CN103280810A Optimized dispatching method for improving load rate of power distribution network |
| 09/04/2013 | CN103280809A Active power filter suitable for multi-working-condition compensation and switching and switching method thereof |
| 09/04/2013 | CN103280808A Variable ring width hysteresis current control method based on timer |
| 09/04/2013 | CN103280807A Distribution network power quality comprehensive compensator |
| 09/04/2013 | CN103280806A Digital delay compensation control method of active filter device |
| 09/04/2013 | CN103280805A Three-phase electricity saving appliance |
| 09/04/2013 | CN103280804A Subarea loop closing support method for solving problem of main transformer overload of subarea power grid |
| 09/04/2013 | CN103280803A State estimation method based on tensor method |
| 09/04/2013 | CN103280802A Paralleling reactor operation overvoltage managing circuit and managing method of paralleling reactor operation overvoltage managing circuit |
| 09/04/2013 | CN103280801A Paralleling reactor compensation circuit and operation overvoltage managing method |
| 09/04/2013 | CN103280800A Method for forecasting super-short period wind power based on nonlinear fitting |
| 09/04/2013 | CN103280799A Start-stop method for unified power flow controller |
| 09/04/2013 | CN103280798A UPQC (Unified Power Quality Conditioner) topology circuit for load capacity expansion and control conditioning method |
| 09/04/2013 | CN103280797A Day-ahead static security correction method |
| 09/04/2013 | CN103280796A Flexible switching technology for power supply system bus coupler switch, and realization method thereof |
| 09/04/2013 | CN103280789A Novel multifunctional power electronic current-limiting system and control method thereof |
| 09/04/2013 | CN103280783A Method for calculating failure critical clearing time based on critical unit pair |
| 09/04/2013 | CN103280778A Looped network shock-free switching off and on device and looped network breaker |
| 09/04/2013 | CN103280705A Multifunctional integration photovoltaic power generation device |
| 09/04/2013 | CN102496926B Method for judging and processing wind farm power prediction input data |
| 09/04/2013 | CN102427248B Direct-driven wind power synchronization control method based on Buck-Boost matrix converter |
| 09/04/2013 | CN102427234B AVC (Automatic Voltage Control) joint-debugging control method based on var compensation technology |
| 09/04/2013 | CN102412578B Laboratory microgrid system |
| 09/04/2013 | CN102355009B Method by utilizing doubly-fed generator to realize high-voltage ride through of wind power generating set and system thereof |
| 09/04/2013 | CN102290821B Determining method of damping controller parameter of electric power system |
| 09/04/2013 | CN101981779B System stabilization device, method, and wind-power generation system |
| 09/04/2013 | CN101635462B Capacity collocation method for substation compensation capacitor |
| 09/04/2013 | CN101297472B Connecting a prime mover driven alternator to a circuit with an existing alternating current |
| 09/03/2013 | US8527398 Method and system for predicting solar energy production |
| 09/03/2013 | US8527389 Bidding for energy supply to resellers and their customers |
| 09/03/2013 | US8527108 Method and apparatus for managing an energy consuming load |
| 09/03/2013 | US8527106 System stabilization device |
| 09/03/2013 | US8525369 Method and device for optimizing the use of solar electrical power |
| 09/03/2013 | US8523083 Thermostat with self-configuring connections to facilitate do-it-yourself installation |
| 08/29/2013 | WO2013126702A1 Apparatus and method for harvesting power from an overhead transmission conductor |
| 08/29/2013 | WO2013126463A1 Power grid remote access |
| 08/29/2013 | WO2013126460A1 Micro grid power distribution unit |
| 08/29/2013 | WO2013126159A1 Systems, methods and devices for detecting branch circuit load imbalance |
| 08/29/2013 | WO2013124841A1 Charging management method and system |
| 08/29/2013 | WO2013045072A3 Pv system having a safeguard against feeding into a public power distribution network |
| 08/29/2013 | WO2013041614A3 Method of opening a bypass switch of a high voltage direct current network |
| 08/29/2013 | WO2010057948A8 Decentralized energy efficiency through autonomous, self-organizing systems, taking into account heterogeneous energy sources |
| 08/29/2013 | US20130221754 Method and apparatus for storing power from irregular and poorly controlled power sources |
| 08/29/2013 | US20130221748 Power Transmission Systems and Components For Direct Current Applications |
| 08/29/2013 | US20130221671 Wind turbine generator system, control apparatus therefor, and control method therefor |
| 08/29/2013 | DE102013002080A1 Electrical conversion device of electrical charging system for charging rechargeable battery in motor car, has power supply connection elements that are connected with vehicle-connection elements through electrical connection portions |
| 08/29/2013 | DE102012203125A1 Blindleistungskompensation Reactive power compensation |
| 08/29/2013 | DE102012203121A1 Energy management system for charging station for e.g. electric traction vehicle, has control units adapted to implement control actions for electric power generating units and/or storage device to stabilize system |
| 08/29/2013 | DE102012004081A1 Weather station for measurement of wind intensity and luminance intensity, has internal clock and switching device that interconnects current to electric load, where completion time for work program of connected electrical load is adjusted |
| 08/29/2013 | CA2807608A1 Switch assembly with sequentially actuated power and neutral switching |
| 08/28/2013 | EP2632022A1 Apparatus control device and apparatus control method |
| 08/28/2013 | EP2632012A1 Method for synchronising a feed-in voltage with a mains voltage |
| 08/28/2013 | EP2632011A1 Method for implementing on/off-grid dual-mode operation of bidirectional converter in micro power grid |
| 08/28/2013 | EP2631341A1 Household electrical appliance and method for controlling household electrical appliance |
| 08/28/2013 | EP2630771A2 Microgrid control system |
| 08/28/2013 | EP2630723A1 System, method and apparatus for ac grid connection of series-connected inverters |
| 08/28/2013 | EP2630715A2 Method and system facilitating control strategy for power electronics interface of distributed generation resources |
| 08/28/2013 | CN203166802U Solar photovoltaic power generation system |
| 08/28/2013 | CN203166549U Wind-solar hybrid power-generation coordination control system |
| 08/28/2013 | CN203166548U Intelligent microgrid system |
| 08/28/2013 | CN203166547U Offshore wind farm high-voltage AC (Alternating Current) power transmission accessing system |
| 08/28/2013 | CN203166546U Storage battery electric energy feedback system |
| 08/28/2013 | CN203166545U Elevator energy feedback circuit having LCL filtering function |
| 08/28/2013 | CN203166544U Photovoltaic grid-connected power generation system |
| 08/28/2013 | CN203166543U Solar photovoltaic power generation anti-islanding system |
| 08/28/2013 | CN203166542U Complementary system of electric vehicle and renewable energy |
| 08/28/2013 | CN203166541U Unified power flow controller adopting modular structure |
| 08/28/2013 | CN203166540U Combined type high-voltage direct current transmission system |
| 08/28/2013 | CN203166539U HVDC and UPFC system based on modularized multilevel converter |
| 08/28/2013 | CN203166538U Compressed air distributed-type energy supply system |