Patents for H02J 3 - Circuit arrangements for ac mains or ac distribution networks (38,663)
01/2013
01/09/2013CN101895122B Output circuit of three-phase power voltage regulator
01/09/2013CN101777764B Area control deviation and unit generation deviation-based scheduling feedback control system
01/09/2013CN101627531B Method and system to start multiple AC motors supplied by a power converter via a common AC bus
01/08/2013US8352084 Renewable electricity generation system, electric power measurement device and method
01/08/2013US8351224 Power conversion apparatus
01/08/2013US8350413 Power pack
01/08/2013US8350406 Electrical system with circuit limiter
01/08/2013CA2598012C Controlling power supply to vehicles through a series of electrical outlets
01/03/2013WO2013002438A1 Switchgear and power handling method using same
01/03/2013WO2013002301A1 Grid connection apparatus
01/03/2013WO2013001903A1 Equipment control device
01/03/2013WO2013001820A1 System connection inverter device and control method therefor
01/03/2013WO2013001501A1 Net connection for charging rechargeable power units in group
01/03/2013WO2013001496A2 Wind turbine for generating electric energy
01/03/2013WO2013000721A2 Power management system comprising a power source, a source of renewable energy, and a power converter
01/03/2013WO2013000518A1 A control circuit
01/03/2013WO2013000510A1 Converter
01/03/2013WO2013000474A2 Energy arbitage using energy price forecast and wind power forecast
01/03/2013WO2013000185A1 Grid-connected inverter
01/03/2013WO2012154921A3 Control system for photovoltaic power plant
01/03/2013WO2012047578A3 Method and system for managing power and efficiency
01/03/2013WO2011154816A3 Automatic matching of sources to loads
01/03/2013WO2011145034A3 System for recovering renewable energy
01/03/2013US20130007458 Green energy generation apparatus, mobile device, electric storage apparatus, and management method of green energy information
01/03/2013US20130006831 Electric power supply system
01/03/2013US20130002230 Ac load soft start for variable-frequency power source
01/03/2013US20130002022 Line interactive power quality system
01/03/2013US20130002020 Systems and methods for controlled startup of electrical devices loading a power line
01/03/2013DE102012207605A1 Stromverwaltungssystem Power Management System
01/03/2013DE102012105502A1 Steuersystem für ein elektrisches Energieversorgungssystem A control system for an electric power supply system
01/03/2013DE102011106733A1 System for provision and storage of network power to e.g. house, has control station that determines surplus or shortage of energy in energy system for intake or release of energy by driving battery storage units
01/03/2013DE102011056454A1 Power supply system i.e. low-voltage system, for home, has control unit controlling system such that accumulator is charged if voltage at end exceeds upper limit value and discharged if voltage at end is lowered below lower threshold value
01/03/2013CA2840058A1 B-side feed for critical power applications
01/03/2013CA2834054A1 Converter
01/02/2013EP2541750A1 Power conversion apparatus, grid connection apparatus, and grid connection system
01/02/2013EP2541732A1 Device and method for managing an electric facility indicating the price
01/02/2013EP2541723A1 Electrical distribution system
01/02/2013EP2541722A1 Method and controller for controlling an electric power production unit, in particular a wind turbine
01/02/2013EP2541721A2 Grid-connected power conversion device
01/02/2013EP2541720A1 Procedure for supply control and storage of power provided by a renewable energy generation plant
01/02/2013EP2541719A1 UPS system and method of supplying power to non-linear load
01/02/2013EP2541718A1 Controller, wind park and control method
01/02/2013EP2541716A1 Demand and supply control apparatus, demand and supply control method, and program
01/02/2013EP2539986A2 Onboard floating drilling installation and method for operating an onboard floating drilling installation
01/02/2013EP2539985A2 Apparatus and method for stabilizing an electrical power import
01/02/2013EP2539984A1 Device and method for integrating electric devices into a system in the context of demand-side management
01/02/2013EP2539812A1 An execution method of one function of a plurality of functions at a component
01/02/2013EP2539585A2 Method and control arrangement for controlling a reactive power source
01/02/2013EP2539584A2 Wind turbine controller applying differential pole control algorithm
01/02/2013EP1634365B1 Wind farm
01/02/2013CN202652122U Mining flameproof reactive power compensation vacuum electromagnetic starter
01/02/2013CN202652120U Reactance type startup disk used for 10 kV 1100 USRT water chilling unit
01/02/2013CN202652119U Reactance type startup disk used for 450 HP inflator
01/02/2013CN202651899U Automatic voltage control system for wind power plant
01/02/2013CN202651898U Tele-command information processing system of power grid
01/02/2013CN202651886U Power generation unit electric quantity parameter collection controller
01/02/2013CN202651861U High capacity reversible charging and discharging device
01/02/2013CN202651809U Novel energy power generating and supplying system and construction based on multi power intelligent distributor
01/02/2013CN202651808U Three-phase grid-connected photoelectric inverter system adopting power grid voltage for feeding forward directly
01/02/2013CN202651807U Power station combining photovoltaic power generation, DC power transmission, and lithium iron phosphate cell energy storage
01/02/2013CN202651806U Smooth wind-power photovoltaic power generation control system of battery energy storage station
01/02/2013CN202651805U Static reactive generator based on DSP
01/02/2013CN202651804U Reactive-power automatic adjusting system based on SCADA system of wind power plant
01/02/2013CN202651803U Intelligent capacitor switching device based on wireless data transmission networking
01/02/2013CN202651802U Capacitance compensation box
01/02/2013CN202651801U Capacitance compensation box
01/02/2013CN202651800U Low voltage compensation box
01/02/2013CN202651799U High-temperature dynamic reactive compensation device
01/02/2013CN202651798U Switch control module used for reactive compensation device
01/02/2013CN202651797U Low-voltage intelligent fast filter reactive compensation composite apparatus
01/02/2013CN202651796U Integrated protection type digital display type delta connected power capacitor dynamic throw switch
01/02/2013CN202651795U High-voltage dynamic reactive power compensator
01/02/2013CN202651794U Main loop wiring structure of aluminum alloy surface treatment coloring silicon machine and oxidation silicon machine
01/02/2013CN202651793U Novel 10kV switching device
01/02/2013CN202651792U Double-refacing-surface contact voltage stabilizing and regulating device
01/02/2013CN202651791U Filtering device having adjustable resonant frequency
01/02/2013CN202651790U Connection control device of active power filter
01/02/2013CN202651789U Electric energy quality optimization device
01/02/2013CN202651788U Nonlinear load harmonic risk assessment system
01/02/2013CN202651787U Filter reactive power compensation device for automatic master-slave online networking
01/02/2013CN202651786U Electric high energy saving variable-frequency compensator
01/02/2013CN202651785U AC/DC mixed type micro-grid system
01/02/2013CN202651673U Low-voltage drawer type dynamic filter compensation module
01/02/2013CN102859861A Configurable hybrid converter circuit
01/02/2013CN102859824A Arrangement and method for reactive power compensation
01/02/2013CN102857112A Chopper for reactive compensation apparatus
01/02/2013CN102857089A Auxiliary power supply of photovoltaic grid-connected inverter and photovoltaic power generating grid-connected system comprising auxiliary power supply
01/02/2013CN102856952A Ecological residence electrical energy system and power supply control method
01/02/2013CN102856935A Uninterruptible power supply (UPS) system and method for supplying power to nonlinear load in economy (ECO) mode
01/02/2013CN102856932A System-voltage balancing and regulating system
01/02/2013CN102856931A Wind power plant active power dynamic grouping control method
01/02/2013CN102856930A Micro-grid economic dispatching control method
01/02/2013CN102856929A Automatic quasi-synchronization real-time power generator monitoring method and system
01/02/2013CN102856928A Inverter
01/02/2013CN102856927A DC voltage balance control method for single-phase H-bridge cascaded devices
01/02/2013CN102856926A Integrated magnetics based interleaved flyback micropower grid-connected inverter
01/02/2013CN102856925A Comprehensive power distribution method for wind power plant
01/02/2013CN102856924A Microgrid smooth switch control method and strategy based on composite energy storage
01/02/2013CN102856923A Controller, wind park and control method
01/02/2013CN102856922A Synchronous generator parameter equivalent method for micro-grid connection simulation