Patents for H02J 3 - Circuit arrangements for ac mains or ac distribution networks (38,663)
12/2013
12/10/2013US8604641 Renewable energy delivery systems and methods
12/10/2013US8604639 Power limiting control for multiple drilling rig tools
12/05/2013WO2013180404A1 Demand controller, charger, and remote charging control system control method using the same
12/05/2013WO2013179986A1 Information processing device, information processing system, control method for information processing system, information processing method, and information processing program
12/05/2013WO2013179809A1 Device, system, and method for managing power
12/05/2013WO2013179470A1 Voltage control device, control method thereof and voltage control program
12/05/2013WO2013179459A1 System, method, and program for conserving energy
12/05/2013WO2013179358A1 Controller, battery control unit, and power distribution system
12/05/2013WO2013179344A1 Storage battery management device
12/05/2013WO2013179182A2 Unit for controlling and managing for devices of the type of battery charger
12/05/2013WO2013178807A1 Current flow controller
12/05/2013WO2013178546A1 Voltage supply for an inverter
12/05/2013WO2013178294A1 A filter apparatus, a method for filtering harmonics in an electrical power transmission or distribution system, and such a system
12/05/2013WO2013178225A1 Adaptive power cell control system
12/05/2013WO2013178054A1 Input ac voltage control bi-directional power converters
12/05/2013WO2013178004A1 Method for determining maximum direct current received quantity of alternating current receiving-end system
12/05/2013WO2013177923A1 Day-ahead optimization scheduling method for wind-solar storage cogeneration system
12/05/2013WO2013177700A1 Electrolyser and energy system
12/05/2013WO2013177689A1 Power control device
12/05/2013WO2013177623A1 A control module and control system for controlling electrical power supply to a load-side electrical distribution network
12/05/2013WO2013149633A9 A power converter
12/05/2013WO2013101432A3 System and method for maintaining proper phase neutral wiring in a power system
12/05/2013US20130322898 Power supply apparatus for safety load shutdown and image forming apparatus including the same
12/05/2013US20130322131 Cascaded converter station and cascaded multi-terminal hvdc power transmission system
12/05/2013US20130320763 Dual generator system
12/05/2013US20130320762 Power control device
12/05/2013DE102012011119A1 Lokales Energiesystem Local energy system
12/05/2013CA2874947A1 Power control device
12/04/2013EP2670041A1 Power supply assembly with an inverter for creating N-phase alternating current
12/04/2013EP2670040A1 Power supply assembly with an inverter for creating single phase alternating current
12/04/2013EP2670033A1 Starting of photovoltaic system
12/04/2013EP2670022A2 Power monitoring system and method of displaying power system information
12/04/2013EP2670016A2 Apparatus for photovoltaic power generation and method thereof
12/04/2013EP2670015A1 Power control device and power control method
12/04/2013EP2670014A1 Alternator and electricity generation method thereof
12/04/2013EP2670013A1 Current flow controller
12/04/2013EP2670012A1 Energy storage device and method for controlling the same
12/04/2013EP2669861A1 Electricity control system
12/04/2013EP2668706A2 Management of the energy supply for a local energy transport network
12/04/2013EP2668705A1 Local power supply installation
12/04/2013EP2335336B1 Wind energy system
12/04/2013CN203326916U Three-phase four-leg photovoltaic microgrid operation inversion circuit
12/04/2013CN203326915U Control system for reducing impact current of grid-connected inverter
12/04/2013CN203326696U Vehicle-mounted type temporary power conversion system
12/04/2013CN203326619U Wind farm active and reactive voltage control apparatus
12/04/2013CN203326618U Grid connection-grid disconnection smooth switching circuit of microgrid operation inverter
12/04/2013CN203326617U Grid connected control system of inverter power supply
12/04/2013CN203326616U Multichannel freely-combined maximum power point tracking (MPPT) link used for photovoltaic grid-connected inverter
12/04/2013CN203326615U Double single-chip microcomputer flywheel energy storage system controller
12/04/2013CN203326614U Low-power-consumption fast-type capacitor switch with intelligent control
12/04/2013CN203326613U Intelligent pole-mounted reactive power compensation device
12/04/2013CN203326612U DSP-based intelligent dynamic reactive power compensation apparatus
12/04/2013CN203326611U Intelligent high-voltage reactive automatic capacity adjusting compensation device
12/04/2013CN203326610U Optical fibre communication system for static var generator
12/04/2013CN203326609U Comprehensive energy-saving control device of pumping unit based on TSC and PWM chopper technology
12/04/2013CN203326608U Scattered power generation reactive compensation device with harmonic suppression function
12/04/2013CN203326607U Electric power impact-avoiding device
12/04/2013CN203326606U Intelligent modular active power filter for electric car charging and battery replacement station
12/04/2013CN203326605U Dynamic harmonic filtering device
12/04/2013CN203326604U Safe power distribution device for power supply and distribution lines
12/04/2013CN203326603U Energy Internet having topological structure
12/04/2013CN203326602U Multifunctional electric box of mahjong machine
12/04/2013CN203326377U Low-voltage reactive compensation cabinet
12/04/2013CN103430441A Distributed power supply system
12/04/2013CN103430414A Switch for a transmission path for high-voltage direct current
12/04/2013CN103430413A A device and method for adjusting electricity consumption of a plurality of lighting devices of a lighting system
12/04/2013CN103430412A Operation schedule creating method, operation schedule creating apparatus, and operation schedule creating program
12/04/2013CN103429993A Phase-based operation of devices on polyphase electric distribution system
12/04/2013CN103427697A Multi-target control method for VSC (voltage source converter) under unbalanced power grid based on particle swarm algorithm
12/04/2013CN103427662A 35 KV step-down transformer with grading compensation and automatic voltage adjusting functions
12/04/2013CN103427445A Thermal power load shedding peak shaving method based on load reconstruction strategy
12/04/2013CN103427444A Control method for reducing wind power grid-connected scheduling plan error
12/04/2013CN103427443A New energy power generation and supply system based on multi-power intelligent tuner and structure
12/04/2013CN103427442A Synchronous grid-connected control method of variable speed pumped storage alternating current excitation generator motor
12/04/2013CN103427441A Distributed hybrid new energy power generation and grid connection control device and method
12/04/2013CN103427440A Photovoltaic power generation system isolated power system operation and switching detection structure and testing method
12/04/2013CN103427439A Photovoltaic power generation device based on distributed power supply access cabinet
12/04/2013CN103427438A Double-fed wind power system high voltage ride through control method based on chopper circuit
12/04/2013CN103427437A Central controller device
12/04/2013CN103427436A System and method using direct current buses of frequency converters to isolate, convert and absorb regenerated electric energy
12/04/2013CN103427435A Three-phase non-isolation type photovoltaic grid-connected inverter and photovoltaic power generation system
12/04/2013CN103427434A Calculation method for harmonic current of direct-current side of hybrid bipolar direct-current transmission system
12/04/2013CN103427433A Calculation method for direct-current loop impedance of hybrid bipolar direct-current transmission system
12/04/2013CN103427432A Control method to balance microgrid mismatch power by aid of distributed storage battery energy storing stations
12/04/2013CN103427431A Charging/discharging control method of wind farm energy storage device
12/04/2013CN103427430A Hybrid energy storage system and energy management method thereof in micro-grid
12/04/2013CN103427429A Real-time power distribution system and method of user-side distributed energy storage device
12/04/2013CN103427428A Quick three-phase reactive compensation switch
12/04/2013CN103427427A Power grid source steady state voltage regulating optimization method for improving transient voltage support capability of power grid
12/04/2013CN103427426A Phase-shifting transformer system and control method thereof
12/04/2013CN103427425A Coordinated control device and method for MMC (modular multilevel converter) type unified power quality conditioner
12/04/2013CN103427424A Power control method of non-grid multi-energy collaborative power supply electrolytic aluminum system
12/04/2013CN103427423A 3-35 kilovolt grading compensation type automatic voltage adjusting device
12/04/2013CN103427422A Calculation method for evaluating inter-provincial electricity transaction ideality of power grid
12/04/2013CN103427421A Active filter control method based on harmonic voltage selection compensation
12/04/2013CN103427420A Harmonic wave absorbing device
12/04/2013CN103427419A Active power filter selective harmonic compensation control method
12/04/2013CN103427418A Slave controller based on active module in active hybrid filter device
12/04/2013CN103427417A Power distribution network fault processing method based on multi-source information fusion
12/04/2013CN103427416A Modular multilevel converter-unified power quality conditioner (MMC-UPQC) structure
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