Patents for H02J 3 - Circuit arrangements for ac mains or ac distribution networks (38,663)
06/2012
06/14/2012WO2012077748A1 Clustering method, optimization method using same, power supply control device
06/14/2012WO2012077566A1 Electric power management system
06/14/2012WO2012076039A1 Control system
06/14/2012WO2012076014A1 Dynamic adjustment of power plant output based on electrical grid characteristics
06/14/2012WO2012075610A1 Cascade converter station and multi-end cascade hvdc power transmission system
06/14/2012WO2012051460A3 Systems and methods for automated availability and/or outage management
06/14/2012WO2012048012A3 High voltage energy harvesting and conversion renewable energy utility size electric power systems and visual monitoring and control systems for said systems
06/14/2012WO2012047898A3 Dynamic control of small-scale electrical loads for matching variations in electric utility supply
06/14/2012WO2011157834A3 Power supply and control device for actuators, corresponding actuation assembly, and aircraft comprising such a device
06/14/2012WO2011131655A3 Electricity generating system and method for operation of a system such as this
06/14/2012US20120150361 Renewable energy-based electricity grid infrastructure and method of grid infrastructure automation and operation
06/14/2012US20120146549 Power Supply System for Electronic Loads
06/14/2012US20120146423 Wind farm island operation
06/14/2012US20120146422 Hybrid electric-power supplying system
06/14/2012US20120146415 Power allocation to downhole tools in a bottomhole assembly
06/14/2012US20120146414 Synchronous switching power supply
06/14/2012US20120146410 Power supply system incorporating storage unit
06/14/2012DE112009003738T5 Wechselrichtersteuerung für netz-kupplungsübergang Inverter control for grid-coupling transition
06/14/2012DE102010054233A1 Energieversorgungsnetz mit Blindleistungsmanagement Power grid reactive power management
06/14/2012CA2761426A1 Trapped-key-based locking system for docking station
06/13/2012EP2464000A2 Power conversion apparatus
06/13/2012EP2463997A2 System and method for control of a grid connected power generating system
06/13/2012EP2463981A1 Energy system
06/13/2012EP2463980A2 Operation of an energy producer in an energy supply network
06/13/2012EP2463979A1 Fault-ride-through method, converter and power generating unit for a wind turbine
06/13/2012EP2463978A1 Power factor correction for multiple generators
06/13/2012EP2462675A1 Power management system
06/13/2012EP2462674A2 Method and device for energy management
06/13/2012EP2462673A1 Power or voltage oscillation damping in a power transmission system
06/13/2012EP1222727B1 Control of extinction angle for a line-commutated converter
06/13/2012CN202276295U Diode clamp type five-level photovoltaic inverter and power supply system employing same
06/13/2012CN202276156U Electric network system
06/13/2012CN202276155U Photovoltaic interconnected inverter
06/13/2012CN202276154U Low voltage ride-through control device for double-fed wind power generation system
06/13/2012CN202276153U Integral low-voltage reactive automatic compensation unit
06/13/2012CN202276152U Compensation device used for power factor of power frequency induction melting furnace
06/13/2012CN202276151U 一种用于高海拔地区冲击电压发生器的供电系统 A high altitude impulse voltage generator power supply system
06/13/2012CN202276072U Low voltage intelligent reactive compensation integrated distribution box
06/13/2012CN202275694U Magnetic valve type controllable reactor
06/13/2012CN202275125U Mobile comprehensive debugging cabinet for reactive compensation device
06/13/2012CN102498636A 配电系统 Distribution system
06/13/2012CN102498632A System and method for real-time feeder reconfiguration for load balancing in distribution system automation
06/13/2012CN102498631A System for controlling electric power supply to devices
06/13/2012CN102498630A Energy storage systems
06/13/2012CN102498629A Monitoring of an electrical energy supply network
06/13/2012CN102498628A Charging station for electric vehicles having network stabilization
06/13/2012CN102498448A Energy management system and method
06/13/2012CN102497135A Rule-engine-based method for monitoring photovoltaic power station
06/13/2012CN102497124A Method for forming inverter power supply by AC-DC (alternating current-direct current) power supply zero resistance in series-parallel connection
06/13/2012CN102497123A Method for forming inverter power supply by connecting anodes of direct-current power supply with alternating-current power supply serially
06/13/2012CN102496968A Generation plan optimizing method in intermittent energy and conventional energy coordinated dispatching mode
06/13/2012CN102496967A Wind-power trend optimizing system based on fast energy storage and control method thereof
06/13/2012CN102496966A Wind power station grid-connected operation power optimization control substation
06/13/2012CN102496965A Island-grid-based method for power supply of diesel generator and energy storage coordination control of battery
06/13/2012CN102496964A Method for controlling output power of microgrid
06/13/2012CN102496963A Method for forming grid connection of inverter power supply by AC-DC series and parallel circuit
06/13/2012CN102496962A Method for identifying and controlling wind power consumption capability of power system under peak load and frequency regulation constraints
06/13/2012CN102496961A Direct-current-bus-based wind-solar independent power grid system
06/13/2012CN102496960A Photovoltaic grid-connected inverter and method for reducing working loss of photovoltaic grid-connected inverter
06/13/2012CN102496959A Generator utilizing various natural energies
06/13/2012CN102496958A Wind and water hybrid power system and method for controlling same
06/13/2012CN102496957A Compound full-power wind power converter
06/13/2012CN102496956A Mode switching method for switching grid mode into island mode for microgrid
06/13/2012CN102496955A Intelligent photovoltaic system and method for data detection and transmission
06/13/2012CN102496954A Stability judging method of grid-connected photovoltaic power station
06/13/2012CN102496953A Photovoltaic power generation micro electric network system and maximum power tracking method
06/13/2012CN102496952A Novel wind generating set structure
06/13/2012CN102496951A Half-wave resistant type inverter power supply
06/13/2012CN102496950A Power unit grid-connected and feedback device for high-voltage concatenated frequency converter
06/13/2012CN102496949A Method and system capable of optimizing and controlling micro-network energy-storage system
06/13/2012CN102496948A Central-control-system-based energy storage type wind power plant
06/13/2012CN102496947A Method for peaking clipping and valley filling of microgrid
06/13/2012CN102496946A Intelligent peak-shaving energy-saving power supply
06/13/2012CN102496945A Passive control method of four-order chaotic power system
06/13/2012CN102496944A Wide-area-information-based distributed damping control system for electric power system and method using distributed damping control system
06/13/2012CN102496943A Three-position on-load reactive capacity regulation switch
06/13/2012CN102496942A Thyristor controlled reactor and thyristor switched filter (TCR-TSF) device controller
06/13/2012CN102496941A Comprehensive reactive compensation controller
06/13/2012CN102496940A Method and device for cable current-carrying capacity reactive compensation
06/13/2012CN102496939A High-voltage static VAR generator (SVG) capable of being operated in parallel and controlled under constant voltage
06/13/2012CN102496938A Method and device for determining reactive regulation capacity in operation process of wind generation set
06/13/2012CN102496937A Fault recovery method applied to intelligent distribution network and based on load balance
06/13/2012CN102496936A Active power filtering system for frequency converter
06/13/2012CN102496935A Simulation system for simulating harmonic characteristics of charging station running in different situations
06/13/2012CN102496934A Method for controlling power converter with UPS (Uninterrupted Power Supply) and APF (Active Power Filter)
06/13/2012CN102496933A Double parallel active power filtering apparatus
06/13/2012CN102496932A Parallel voltage sag compensation device
06/13/2012CN102496931A Multifunctional power grid anti-accident maneuver system
06/13/2012CN102496930A Remote inversion method of internal action logic of protection device
06/13/2012CN102496929A Method, device and system for closing and opening ring
06/13/2012CN102496928A Power distribution network automation analysis method
06/13/2012CN102496927A Wind power station power projection method based on error statistics modification
06/13/2012CN102496926A Method for judging and processing wind farm power prediction input data
06/13/2012CN102496925A Control method for reducing expected value of power failure fault of electric power system
06/13/2012CN102496919A Load unbalance compensation current limiter
06/13/2012CN102496898A Bifunctional direct current ice melting apparatus based on voltage source type current converter and ice melting method thereof
06/13/2012CN102495898A state online detection data template generation association method and device for power grid device
06/13/2012CN102494430A Cold-electricity cogeneration system comprising wind power and gas combined cycle unit and method for scheduling cold-electricity cogeneration system
06/13/2012CN102493921A Stationary module generator
06/13/2012CN102493920A Embedded-type automatic linkage tracking solar power and wind power hybrid power station