Patents for H02J 3 - Circuit arrangements for ac mains or ac distribution networks (38,663)
06/2013
06/12/2013CN103151799A Microgrid power supply system and control method thereof
06/12/2013CN103151798A Optimizing method of independent microgrid system
06/12/2013CN103151797A Multi-objective dispatching model-based microgrid energy control method under grid-connected operation mode
06/12/2013CN103151796A Region coordinated control system and region coordinated control method based on active power distribution network
06/12/2013CN103151795A Scattered-type wind power plant reactive power optimization control method capable of reducing fan losses and system
06/12/2013CN103151794A Self-adaption power decoupling method of microgrid distributed power inverter
06/12/2013CN103151793A Intelligent component
06/12/2013CN103151792A Harmonic current suppression device for ultrahigh-voltage direct current power transmission system
06/12/2013CN103151791A Method, device and system for dispatching distributed energy
06/12/2013CN103151790A Intelligent power supply system of peak moving and valley filling
06/12/2013CN103151789A Method and device for smart power grid time-of-use electricity price electricity storage and discharging
06/12/2013CN103151788A Simulation reappearance system of electric system power oscillation accident
06/12/2013CN103151787A Trigger device and trigger control method for thyristor switched capacitor-type (TSC-type) low-voltage dynamic switched switch
06/12/2013CN103151786A Magnetically controlled reactor controller
06/12/2013CN103151785A Multi-converter parallel circulating current restraining method with quick and reactive support
06/12/2013CN103151784A AVC (automatic voltage control) system-based reactive voltage optimization method and device
06/12/2013CN103151783A Three-phase high-voltage cascading mixing power compensator and control method thereof
06/12/2013CN103151782A Method for controlling DC (Direct-Current)-side voltage ripple of railway power regulator
06/12/2013CN103151781A Self-adaptive fuzzy control method for active power filter based on feedback linearization
06/12/2013CN103151780A Method for fixed-time ring-width-variable current control of three-phase three-wire system SAPF (Shunt Active Power Filter)
06/12/2013CN103151779A Serial-parallel mixed type filtering and protecting device of passive power
06/12/2013CN103151778A Motor running parameter optimizing system
06/12/2013CN103151777A Power grid differentiation-based core backbone network architecture construction method
06/12/2013CN103151776A AGC (Automatic Generation Control) performance assessment method applicable to power control of extra-high voltage interconnection wire
06/12/2013CN103151775A Distributed feeder automation topology calculation method for power distribution network based on local information
06/12/2013CN103151774A Small world power grid cascading failure restraining method
06/12/2013CN103151773A Province power grid coordination control method for area control error based on optimized algorithm
06/12/2013CN103151772A Electric energy quality improvement and combined action energy conservation system
06/12/2013CN103151771A Monitoring system and method for operation of power transmission network
06/12/2013CN103151147A Isolation transformator for filter circuit and filter circuit system
06/12/2013CN103150426A Unified modeling method for regulation and control integrated simulation of primary grid equipment and secondary grid equipment
06/12/2013CN103147940A Geothermal and solar combination power generation system
06/12/2013CN102437699B Direct grid connection speed change constant frequency generator
06/12/2013CN102427236B Method for suppressing total output reactive power fluctuation by adopting doubly-fed induction wind power system with series grid-side converter under unbalanced voltage
06/12/2013CN102308452B Method and apparatus for controlling a hybrid power system
06/12/2013CN102237824B Photovoltaic (PV) inverter
06/12/2013CN102222938B Voltage-frequency comprehensive control method for direct-drive wind generator set
06/12/2013CN102148603B Distinguishing method of initial position zero variation of doubly-fed generator rotor and control device thereof
06/12/2013CN101989743B Energy-saving power generation dispatching optimization method based on direct current power flow
06/12/2013CN101950505B Synchronization device for training
06/12/2013CN101790827B Prediction scheme for step wave power converter and inductive inverter topology
06/12/2013CN101771274B Method for improving operating efficiency of thermal generator set
06/12/2013CN101673950B Static var compensator (SVC) and DC ice melting device and realization method thereof
06/12/2013CN101496249B Method and system of real time management and modulation of electricity consumption
06/11/2013US8463616 Scheduling a process according to time-varying input prices
06/11/2013US8461716 Photovoltaic power generating device, and controlling method
06/07/2013CA2798534A1 Converter
06/06/2013WO2013080878A1 Grid connection device
06/06/2013WO2013080877A1 Grid connection device
06/06/2013WO2013080797A1 Power system and method for controlling same
06/06/2013WO2013080619A1 Energy management device and program
06/06/2013WO2013080388A1 Detector, method, and program
06/06/2013WO2013080308A1 Consumer energy management system and consumer energy management method
06/06/2013WO2013080060A1 A system for controlling electrical energy supply to peripheral devices using prepaid airtime
06/06/2013WO2013079366A1 System for an energy management of domestic appliances taking into account an evolutionary mobile radio standard, and associated method
06/06/2013WO2013079198A2 Method for controlling a multiphase converter
06/06/2013WO2013079112A1 Processing data of a technical system comprising several assets
06/06/2013WO2013079067A1 Converter with storage device
06/06/2013WO2012172048A3 Inverter with monitoring of the moisture state and method for operating an inverter
06/06/2013WO2012168809A4 Power systems interconnection method
06/06/2013WO2012112430A3 Regenerative braking safety system and method of use
06/06/2013US20130144455 Hydroelectric power generation plan adjustment device, hydroelectric power generation plan adjustment method, and program
06/06/2013US20130141950 Power converter and integrated dc choke therefor
06/06/2013US20130140904 Automatic transfer switch having an interlock arrangement
06/06/2013US20130140903 Compact dynamic phase angle regulators
06/06/2013US20130140895 Socket having loading detecting function
06/06/2013US20130140894 Dynamic energy-saving socket
06/06/2013US20130140893 Power demand management apparatus and power demand management system
06/06/2013US20130140888 Load-sharing and boost voltage for notification appliance circuits
06/06/2013DE102011119745A1 Apparatus for storing electrical energy generated from electricity generating plants, has a reversible polymer electrolyte fuel cell arranged in conjunction with the depressurized gas storage and the conversion electronic devices
06/06/2013DE102011054002B4 Dezentrale Energieerzeugungsanlage mit Einrichtung und Verfahren zur Inselnetzerkennung Distributed power generation plant with device and method for islanding detection
06/06/2013DE102011005563B4 Verfahren und Vorrichtung zur Umschaltung von Stromeinspeisungen Method and apparatus for switching power supplies
06/05/2013EP2600510A1 Heating a converter with circulating currents
06/05/2013EP2600490A1 Assembly for an uninterrupted power supply
06/05/2013EP2600482A1 Output distribution control apparatus
06/05/2013EP2600481A1 Battery free off-grid solar inverter system and control method thereof
06/05/2013EP2600480A2 Power generation apparatus
06/05/2013EP2600479A1 Controlling an electrical grid with islanded operation
06/05/2013EP2600478A2 Cross communication arrangement for multiple solid state power controller channels
06/05/2013EP2600406A2 Solar device
06/05/2013EP2600216A2 Control of Small Distributed Energy Resources
06/05/2013EP2599997A1 Control system for a wind park
06/05/2013EP2599210A1 Capacitor discharge in a cell based voltage source converter
06/05/2013EP2599199A1 Hvdc converter comprising fullbridge cells for handling a dc side short circuit
06/05/2013EP2599183A1 Dynamic distributed power grid control system
06/05/2013EP2599182A1 Dynamic distributed power grid control system
06/05/2013EP2599180A1 The apparatus compensating ground currents connected to phase conductors of a distribution system
06/05/2013EP2599179A1 The apparatus compensating ground currents connected to a transformer neutral point
06/05/2013EP2599091A1 Power transmission element, in particular a cable, provided with a device for storing electrical power
06/05/2013EP2326835B1 Method for controlling a wind farm
06/05/2013CN202978810U Elevating mechanism based on double PWM variable-frequency double-fed motor
06/05/2013CN202978805U Magnetically controlled reactor with rapid response
06/05/2013CN202978794U Switched reluctance motor speed adjusting device
06/05/2013CN202978747U H-bridge power unit of 35kV container type STATCOM system
06/05/2013CN202978718U Matrix type converter
06/05/2013CN202978667U Variable-frequency transformer
06/05/2013CN202978400U Household energy storage power station
06/05/2013CN202978389U Electric vehicle charging station based on flywheel energy storage
06/05/2013CN202978301U Speed regulator power setting prediction device when transmitting-end power grid is disconnected
06/05/2013CN202978300U Full load resistor low voltage ride through system device for entire wind farm