Patents for H02J 3 - Circuit arrangements for ac mains or ac distribution networks (38,663)
02/2014
02/06/2014WO2014021152A1 Voltage adjustment device for power distribution system, voltage adjusting method, and power control system
02/06/2014WO2014021007A1 Power supply control apparatus, managing apparatus, power supply control method, and power control system
02/06/2014WO2014020951A1 Grid integrated control device, grid control system, grid control device, program, and control method
02/06/2014WO2014020825A1 Management device, management system, and program
02/06/2014WO2014020671A1 Electric power conversion device
02/06/2014WO2014020645A1 Power supply system and slave power storage system
02/06/2014WO2014020644A1 Power supply system, master power storage system, and slave power storage system
02/06/2014WO2014020572A1 Digital voltage controller
02/06/2014WO2014020157A2 Improved voltage control for wind turbines
02/06/2014WO2014019607A1 Device for an optimized operation of a local storage system in an electrical energy supply grid with distributed generators, distributed storage systems and loads
02/06/2014WO2014019606A1 Method for the overall optimization of the operation of distributed storage devices in an electrical power supply system having distributed generators and loads
02/06/2014WO2014019605A1 Facility for controlling charge current for storage units in electrical energy supply grids connecting distributed generators and distributed storage units, among others
02/06/2014WO2013187521A3 Voltage conversion apparatus, power generation system, and voltage conversion method
02/06/2014WO2013186005A3 Energy supply system for supplying electrical loads in rail vehicles
02/06/2014WO2013185772A3 Wind-power-plant control upon low-voltage grid faults
02/06/2014US20140035372 Remote control and operation of lv distribution networks
02/06/2014US20140035368 Smart outlet
02/06/2014US20140035363 Electrical power supplying device having a central power-receptacle assembly supplying electrical power to power plugs, adaptors and modules while concealed from view and managing excess power cord during power supplying operations
02/06/2014DE102012213907A1 Photovoltaikspeichersystem Photovoltaic system memory
02/06/2014DE102012213830A1 Verbesserte Spannungsregelung für Windenergieanlagen Improved voltage regulation for wind turbines
02/05/2014EP2693590A1 Distributed power generation system and method for operating same
02/05/2014EP2693589A1 Wind park control system
02/05/2014EP2693588A1 System control apparatus for facilities
02/05/2014EP2693390A1 Power demand plan coordination device, power demand plan coordination method, and program
02/05/2014EP2693288A1 Power conditioner system
02/05/2014EP2693229A1 Electrical storage system and mobile body
02/05/2014EP2692037A1 Control apparatus for an electrical load
02/05/2014CN203423494U Low voltage ride-through regulation and control device for constant speed wind generating set
02/05/2014CN203423493U 低压无功功率补偿装置 Low voltage reactive power compensation device
02/05/2014CN203423492U Electric energy quality series compensation control system based on solar photovoltaic power generation
02/05/2014CN203423491U Wind power-based electric energy quality series compensation device
02/05/2014CN203423490U Z-source parallel active electric power filter
02/05/2014CN203423489U Sliding mode control based active power filter (APF) specifically used for automobile charging station
02/05/2014CN203423488U Multidirectional converter
02/05/2014CN103563202A Modular multilevel converter with cell-connected battery storages
02/05/2014CN103562063A 船舶 Shipping
02/05/2014CN103560691A Non-angle operation SVPWM method and grid-connected inverter system
02/05/2014CN103560690A Harmonic wave damping control method for one-phase LCL type grid-connected inverter
02/05/2014CN103560689A Method for achieving fault-tolerant control of medium-voltage cascading STATCOM through redundancy voltage vectors
02/05/2014CN103560680A Double fed induction generator (dfig) converter and method for improved grid fault ridethrough
02/05/2014CN103560591A Optimizing method for output smoothness of mobile energy storage power station
02/05/2014CN103560579A Distributed backup automatic switch device connecting method and backup automatic switch action method of distributed backup automatic switch device
02/05/2014CN103560577A Optimizing configuration system of novel photovoltaic VRB energy storage hybrid system
02/05/2014CN103560546A Method for improving droop control in energy storage charge state
02/05/2014CN103560545A Grid-connected inverter based on digital phase-locked loop technology and working method thereof
02/05/2014CN103560544A System for starting large-scale power load in micro grid
02/05/2014CN103560543A Grid-connected inverter controller with solar energy and wind energy integrated
02/05/2014CN103560542A Method and device for restraining power fluctuation of wind generation set based on flywheel energy storage
02/05/2014CN103560541A Fault ride-through control device and method for alternating/direct current mixed microgrid
02/05/2014CN103560540A Direct drive wind turbine generator low-voltage ride-through control system based on three-level converter
02/05/2014CN103560539A In-grid and off-grid mixed type direct-current-to-alternating-current system and starting method of inverters thereof
02/05/2014CN103560538A Microgrid protection and switchover integrated control method based on storing energy at PCC
02/05/2014CN103560537A Area distribution photovoltaic power supply grid-connected system and control method of area distribution photovoltaic power supply grid-connected system
02/05/2014CN103560536A Electric energy device used for adjusting hybrid power of intermediate voltage power system
02/05/2014CN103560535A Micro-grid operation mode seamless switching method based on energy storage current transformer
02/05/2014CN103560534A Method for optimizing mobile energy storage power station based on economic dispatch
02/05/2014CN103560533A Method and system for causing energy storage power station to smooth wind and photovoltaic power generation fluctuation based on change rate
02/05/2014CN103560532A Monitoring system and monitoring method of megawatt battery energy storage power station
02/05/2014CN103560531A Multi-SMES coordinated control system and method based on immune genetic algorithm
02/05/2014CN103560530A Large-scale wind electricity and high energy-carrying load coordination control method
02/05/2014CN103560529A Control method for restraining irregular power fluctuation of power system alternating current tie lines
02/05/2014CN103560528A STATCOM control system and method based on improved instantaneous reactive power
02/05/2014CN103560527A Dynamic voltage reactive compensation method
02/05/2014CN103560526A Low-voltage static reactive compensation device for intermediate frequency furnace, internal mixer and rolling mill device
02/05/2014CN103560525A Additional control method based on unsteady characteristic quantity
02/05/2014CN103560524A Low voltage ride-through system and method of double-fed asynchronous wind generating unit based on dynamic voltage restorer (DVR)
02/05/2014CN103560523A Photovoltaic generator set low-voltage ride-through supporting system based on DVR
02/05/2014CN103560522A Dynamic voltage reactive compensation device
02/05/2014CN103560521A Controller for dynamic voltage reactive compensator
02/05/2014CN103560520A Unified power quality controller suitable for fault ride-through and control method
02/05/2014CN103560519A Voltage reactive compensation method of substation automatic system
02/05/2014CN103560518A Power system reactive reserve capacity control method
02/05/2014CN103560517A Doubly-fed wind generator low voltage ride through method
02/05/2014CN103560516A Parallel connection hybrid type active power filter and control method thereof
02/05/2014CN103560515A Harmonic current restraining method of three-phase photovoltaic power generation system under unbalanced network voltage
02/05/2014CN103560514A Reactive power compensation and harmonic treatment system
02/05/2014CN103560513A Method and device for determining loop closing time
02/05/2014CN103560512A High-reliability closed loop wiring method of medium voltage distribution network
02/05/2014CN103560511A Off-grid / grid-connected integrated solar power generation subsystem and system
02/05/2014CN103560510A Method for predicting harmonic current
02/05/2014CN103560509A Voltage sag detection device based on wavelet analysis and control method of the device
02/05/2014CN103560508A Direct hanging type large-capacity electric energy quality comprehensive managing device for electrified railway
02/05/2014CN103560507A Method and system for setting parameters of power system stabilizer of speed regulating system
02/05/2014CN103560506A Energy supply system suitable for multi-energy requirement and control method
02/05/2014CN103560505A Off-grid virtual connection control method of electric vehicle charging discharging and storing integrated electric station
02/05/2014CN103557120A Integral marine energy source power generation system
02/05/2014CN102611130B Method for controlling wide-area dynamic wind power grid-tied based on superconducting magnetic energy storage device
02/05/2014CN102496930B Remote inversion method of internal action logic of protection device
02/05/2014CN102400855B Power adjusting method and device in wind farm
02/05/2014CN102255356B Efficient uninterruptible power supply
02/05/2014CN102222908B Distribution network reliability estimation method considering prearranged stoppage
02/05/2014CN102195297B Non-isolated DC-DC converter for solar power plant
02/05/2014CN102017352B Circuitry for feeding drive machine having plurality of winding systems
02/05/2014CN101924374B Method and system for operating wind turbine power converter
02/05/2014CN101860038B System and method for control of grid connected power generating system
02/04/2014US8643336 High speed feedback adjustment of power charge/discharge from energy storage system
02/04/2014US8643217 Apparatus and method for boosting output of a generator set
01/2014
01/30/2014WO2014017417A1 Distributed power system and operation method
01/30/2014WO2014017141A1 Charging device
01/30/2014WO2014016532A2 Device for dynamically adjusting the voltage of an electrical network
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