Patents
Sitemap › H02 - Generation, conversion, or distribution of electric power › H02J - Circuit arrangements or systems for supplying or distributing electric power; Systems for storing electric energy › H02J 3 - Circuit arrangements for ac mains or ac distribution networks
Patents for H02J 3 - Circuit arrangements for ac mains or ac distribution networks (38,663)
10/2012
10/03/2012EP2506381A1 Method for manufacturing an electric power conversion facility and facility obtained by said method
10/03/2012EP2506380A1 Electrical charging/discharging control apparatus, electric-power management apparatus, electric-power management method and electric-power management system
10/03/2012EP2505967A1 Method, System and Device of Phase Identification Using a Smart Meter
10/03/2012EP2504949A2 Network system and method of controlling network system
10/03/2012EP2504909A2 Start-up of a photovoltaic array with high open circuit voltage
10/03/2012EP2504901A2 Power conversion systems
10/03/2012CN202475360U Adaptive controller for three-phase asynchronous motor
10/03/2012CN202475334U Reactor voltage regulation soft starting main loop
10/03/2012CN202475333U Numerical control capacitance compensation reduced voltage starting device
10/03/2012CN202475331U Motor energy efficiency protection device
10/03/2012CN202475329U Soft-start device
10/03/2012CN202475317U Solar photovoltaic power station adopting transient stable structure
10/03/2012CN202475260U High step-up ratio converter, solar energy inverter and solar energy cell system
10/03/2012CN202474969U Multi-mode wind and optical complementary power supply system
10/03/2012CN202474900U Harmonic-recycling-type backup uninterrupted power source system
10/03/2012CN202474899U Voltage-converting harmonic-recycling-type energy storage device
10/03/2012CN202474898U Harmonic-recycling-type online uninterrupted power source system
10/03/2012CN202474886U Photovoltaic inverting system with high-gain direct current conversion
10/03/2012CN202474885U Variable-speed wind power system based on variable-frequency transformer
10/03/2012CN202474884U Automatic three-phase power switch-in and switch-out control device of wind power generator
10/03/2012CN202474883U Distributed type three-phase four-wire photovoltaic grid-connected device with electric energy adjusting function
10/03/2012CN202474882U Welder ageing circuit
10/03/2012CN202474881U Cascade digital-analog comprehensive simulation system interface and physical simulation subsystem interface
10/03/2012CN202474880U Wind power generating device
10/03/2012CN202474879U DC (direct current) bus ternary Buck-Boost two-way DC-DC voltage-stabilizing energy storage system
10/03/2012CN202474878U Low-voltage asymmetric reactive compensation device
10/03/2012CN202474877U Single triple-pole synchronous switch-based intelligent reactive power compensation device
10/03/2012CN202474876U Low-voltage reactive power compensator
10/03/2012CN202474875U Power compensation device of mine heat furnace
10/03/2012CN202474874U Low-voltage dynamic reactive compensation triggering panel for ore smelting electric arc furnace
10/03/2012CN202474873U Reactive-power-compensation switching switch
10/03/2012CN202474872U High-voltage reactive compensation capacitor cabinet
10/03/2012CN202474871U Low-voltage dynamic reactive compensation device
10/03/2012CN202474870U Intelligent switching device of 10kV reactive-load compensation equipment
10/03/2012CN202474869U High-voltage parallel capacitor device based on neutral-point solid grounding
10/03/2012CN202474868U Heavy current low power consumption simulation dephased current generator
10/03/2012CN202474867U Intelligent dynamic multistage automatic tracking reactive power compensator
10/03/2012CN202474866U Low voltage distribution energy saving metering control device
10/03/2012CN202474865U Reactive power capacitance compensation arrangement
10/03/2012CN202474864U Reactive power compensation control device
10/03/2012CN202474863U Low voltage filtering type dynamic reactive power compensation device
10/03/2012CN202474862U Active fully-compensated arc extinguishing coil apparatus
10/03/2012CN202474861U Main wiring structure of filter device
10/03/2012CN202474860U Digital energy saver
10/03/2012CN202474859U Passive power filter circuit used for industrial electrical equipment
10/03/2012CN202474858U Active filter and chip
10/03/2012CN202474857U Intelligent distribution network with failure automatic isolation and self-clearing functions
10/03/2012CN202474856U Photovoltaic inverter system with direct-current false connection prevention function
10/03/2012CN202474805U Safe energy-saving power distribution cabinet
10/03/2012CN202474578U Composite energy-saving power distribution cabinet
10/03/2012CN202473533U Magnetically controlled reactor with folding angle type double three-column triangular oblique-angle round iron core
10/03/2012CN202473532U Single phase double column bevel round iron core Magnetically Controlled Reactor (MCR)
10/03/2012CN202473531U Double triple-column rectangular oval iron core magnetically controlled reactor
10/03/2012CN202473530U Double-column and three-column type magnetic control reactor with triangular oblique angles and circular iron cores
10/03/2012CN202473529U Bevel-type dual-three-column triangle right-angle round iron core magnetic control reactor
10/03/2012CN202473495U Laminate series reactor
10/03/2012CN202468168U Wind power utilization system
10/03/2012CN202466613U Quick support connecting device
10/03/2012CN102714417A Solar power generation system and power supply system
10/03/2012CN102714416A Management techniques for electric power generation equipment
10/03/2012CN102714415A Power management system, power management apparatus, and power management method
10/03/2012CN102714414A Levelling partial powers flowing via the individual phases of a multi-phase AC grid
10/03/2012CN102714413A Method for controlling current converters and assembly for performing said method
10/03/2012CN102714412A System for reactive power compensation in electricity system
10/03/2012CN102714411A Method of initiating the load shedding within an electrical power system
10/03/2012CN102714410A Reserve power-supplying capacity transaction system and reserve power-supplying capacity transaction method
10/03/2012CN102714409A Power distribution system and protection method for main line thereof
10/03/2012CN102713782A Method of adjusting a voltage across terminals of a load
10/03/2012CN102712260A Mining vehicle and method for its energy supply
10/03/2012CN102710164A 光伏逆变器 PV inverter
10/03/2012CN102710133A Seven-level circuit, a grid-connected inverter and modulation method and device of seven-level circuit
10/03/2012CN102710005A Power supply method for grid-connected and off-grid dual-purpose wind and light complement power generation system
10/03/2012CN102709999A Energy-saving charger
10/03/2012CN102709956A Active frequency adjusting method of microgrid
10/03/2012CN102709955A Multi-section-based power flow control method
10/03/2012CN102709954A Active coordinated control method of wind, light and storage combined power generation system
10/03/2012CN102709953A Online quantization evaluation method of transient state stability of power grid based on WAMS (wide area measurement system) and unit pair
10/03/2012CN102709952A Method and system for determining active power of each unit in electric network
10/03/2012CN102709951A Control system and control method of three-phase independent control grid inversion
10/03/2012CN102709950A Large-capacity inversion grid-connected device
10/03/2012CN102709949A Micro-grid coordinated control system
10/03/2012CN102709948A Comprehensive controlling and protecting device and comprehensive controlling and protecting method for waste heat recovery turbo generator set
10/03/2012CN102709947A Wind power station equating method based on micro voltage deviation
10/03/2012CN102709946A Method for realizing seamless switching of micro-grid from grid-connection operation to isolated network operation
10/03/2012CN102709945A Energy-storage wind power generation system with squirrel-cage generator
10/03/2012CN102709944A Control method of low voltage through of wind driven generator set based on DGNR variable pitch system
10/03/2012CN102709943A Single-stage photovoltaic grid-connected power generation control method with harmonic wave treatment and reactive compensation
10/03/2012CN102709942A Wind power station LVRT (low voltage ride through) device and control method thereof
10/03/2012CN102709941A Control method of quasi-Z source cascade multi-level single-phase photovoltaic grid generation system
10/03/2012CN102709940A Design method of energy storage quasi-Z source single-phase photovoltaic power generation system
10/03/2012CN102709939A Active power control method of wind power station for improving power generation efficiency of wind power station
10/03/2012CN102709938A Current control method for sampling single network access current of lower control limit (LCL) filter grid-connected inverter
10/03/2012CN102709937A High-capacity combined converter used for electric energy storage
10/03/2012CN102709936A Multi-level photovoltaic grid-connected inverter with isolation transformer
10/03/2012CN102709935A Distributed type photovoltaic micro electric network group net
10/03/2012CN102709934A Electric generator grid-connection method via secondary voltage-reduction independent buses
10/03/2012CN102709933A Low cost current source converters for power generation application
10/03/2012CN102709932A Pulse transmission method and pulse transmission system
10/03/2012CN102709931A Method for analyzing coordination between direct-current restart scheme and weak receiving end system underfrequency load shedding
10/03/2012CN102709930A Energy storage system
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