Patents for H02J 3 - Circuit arrangements for ac mains or ac distribution networks (38,663)
07/2012
07/04/2012CN202309096U Energy-saving crude oil heating equipment power frequency cabinet
07/04/2012CN202309095U 基于可控变压器的功率振荡抑制器 Based on the power transformer controlled oscillation suppressor
07/04/2012CN202309094U Intelligent energy-saving controller for electric motor
07/04/2012CN202309093U TSC type low-voltage dynamic switching regulator
07/04/2012CN202309092U Embedded low-power in-situ reactive compensation device
07/04/2012CN202309091U No-voltage-surge resection device for thyristor valve group when switch is shared by TCR and FC
07/04/2012CN202309090U Integral-assembly integral-transport power cabinet used for SVG
07/04/2012CN202309089U Dynamic reactive power compensation controller
07/04/2012CN202309088U Silicon controlled rectifier installing box
07/04/2012CN202309087U Single-phase voltage adjusting device with core controller and combination switch
07/04/2012CN202309086U Intelligent zero-crossing switching reactive power compensation device
07/04/2012CN202309085U Mining flame-proof type reactive power automatic compensation device
07/04/2012CN202309084U Silicon-controlled dynamic compensation regulator
07/04/2012CN202309083U Compound capacitor fling-cut switch
07/04/2012CN202309082U Automatic stepless voltage regulating type reactive power compensator
07/04/2012CN202309081U Independent switching control device for low-voltage reactive power compensation
07/04/2012CN202309080U Power saving device
07/04/2012CN202309079U Active power filter
07/04/2012CN202309078U Hybrid power filter
07/04/2012CN202309077U Low-voltage active power filter
07/04/2012CN202309076U Hybrid filtering microcomputer intelligent control motor power-saving device
07/04/2012CN202309075U Novel active power filter
07/04/2012CN202309074U 电容补偿回路谐波抑制器 Capacitance compensation circuit Harmonic Suppressor
07/04/2012CN202309073U Complete filter compensation and energy-saving device for mining
07/04/2012CN202309072U Control device of modularized active filter
07/04/2012CN202309071U Drawer modular active power filtering device
07/04/2012CN202309070U Modular active power filtering device
07/04/2012CN202309069U 一种智能电网控制器 An intelligent power controller
07/04/2012CN202308870U Intelligent high-low voltage preassembly box type transformer substation
07/04/2012CN202307410U Power factor correction (PFC) inductor for energy-saving power supply
07/04/2012CN202294805U Wind energy storage generator car
07/04/2012CN1941540B Method for controlling a wind energy turbine of a wind park comprising multiple wind energy turbines
07/04/2012CN102549902A 配电系统 Distribution system
07/04/2012CN102549880A Voltage conservation using advanced metering infrastructure and substation centralized voltage control
07/04/2012CN102549873A Smart and scalable power inverters
07/04/2012CN102549872A Controlling an inverter device of a high voltage DC system for supporting an AC system
07/04/2012CN102549871A 功率管理系统 Power management system
07/04/2012CN102549870A Improved control of a power transmission system
07/04/2012CN102549869A Responsive load monitoring system and method
07/04/2012CN102549868A Wire housing apparatus, vehicle equipped with same, and power feeding device
07/04/2012CN102545773A Motor control method and device as well as two-for-one twister
07/04/2012CN102545711A Novel off-grid/grid-connected integrated solar power generation system and control method
07/04/2012CN102545701A Household solar energy power source based on transparent thin-film solar cell
07/04/2012CN102545673A Methods and systems for operating a two-stage power converter
07/04/2012CN102545644A Matrix AC (alternating current)-AC high voltage frequency converter topology structure
07/04/2012CN102545302A Skid-mounted type oiling-charging station
07/04/2012CN102545301A Skid-mounted electric vehicle charging station
07/04/2012CN102545300A Sledging-installing type multifunctional energy charging station
07/04/2012CN102545271A Automatic power adjusting method of generator
07/04/2012CN102545270A Generalized synchronous new method for grid system and device for implementing method
07/04/2012CN102545269A Series type digital-analog comprehensive simulation system interface and physical simulation subsystem interface
07/04/2012CN102545268A Large grid active power real-time control method in restricted wind power state
07/04/2012CN102545267A Low-voltage ride-through method for doubly-fed induction generator
07/04/2012CN102545266A Method for controlling grid-connected inverter based on feed-forward compensation
07/04/2012CN102545265A Method for controlling grid-connected inverter with anti-load disturbance function
07/04/2012CN102545264A Method for controlling grid-connected inverter based on feed-forward decoupling of state quantity
07/04/2012CN102545263A Power system transient stability simulation method based on explicit numerical integration
07/04/2012CN102545262A Method for detecting island of grid-connected photovoltaic power system on basis of electric energy quality constraint
07/04/2012CN102545261A Micro-grid experiment system
07/04/2012CN102545260A Method for controlling automatic seamless switching between grid-connected mode and grid-isolated mode of microgrid
07/04/2012CN102545259A Derating interval method for ride-through voltage
07/04/2012CN102545258A Power grid optimal planning method of large-scale grid-connected wind farm
07/04/2012CN102545257A Solar photovoltaic generating single-phase grid-connected inverter and control method thereof
07/04/2012CN102545256A Control device for grid connection current
07/04/2012CN102545255A Photovoltaic and micro gas turbine mixed micro grid coordinated operation control method
07/04/2012CN102545254A Method and system for controlling an electric device of a wind turbine
07/04/2012CN102545253A Digital signal processor (DSP)-based staggered single-phase space vector pulse modulation gridding device
07/04/2012CN102545252A Voltage source commutation-high voltage direct current (VSC-HVDC) power flow computing method based on three-stage convergence Newton method
07/04/2012CN102545251A Method and apparatus for control of fault-induced delayed voltage recovery (fidvr)
07/04/2012CN102545250A Power slide control method, device and working method of wind farm utilizing lithium ion battery to store energy
07/04/2012CN102545249A 动态平衡能量系统优化装置 Dynamic equilibrium energy system optimization device
07/04/2012CN102545248A Modulation method for bidirectional transducer of flow battery energy storage grid-connected system
07/04/2012CN102545247A Parameter tuning method of damping controller of wind farm side based on wide area measurement system signal
07/04/2012CN102545246A Damping control method of permanent magnetic direct-driven wind generating set
07/04/2012CN102545245A Method for positioning oscillating source of power system on basis of energy supplied to port
07/04/2012CN102545244A Dynamic harmonic elimination type reactive power compensation module
07/04/2012CN102545243A Reactive compensation terminal for reactive power cloud compensating system
07/04/2012CN102545242A Intelligent switching device for 10kV reactive power compensation equipment
07/04/2012CN102545241A Multi-string SVC (Static Var Compensator) coordination control method
07/04/2012CN102545240A Evaporative cooling system of reactive compensation device
07/04/2012CN102545239A Two-way pulse-width modulation (PWM) chopped mode controllable reactive generator
07/04/2012CN102545238A Control method for micro-grid SVG (Static Var Generator) multi-target configuration
07/04/2012CN102545237A Node placement method by considering operation mode change and common influence of multiple SVCs (Static Var Compensators) to system
07/04/2012CN102545236A System and method for providing reactive power using electric car battery
07/04/2012CN102545235A Triangular connection type comprehensive compensation system integrated with cascaded active filter and reactive compensator
07/04/2012CN102545234A Automatic compensation device for low-voltage side of boosting transformer
07/04/2012CN102545233A Compact type parallel capacitor complete equipment
07/04/2012CN102545232A Distributed type intelligent reactive compensation box
07/04/2012CN102545231A Intelligent automatic voltage control system
07/04/2012CN102545230A Voltage out-of-limit adjusting method
07/04/2012CN102545229A Reactive voltage automatic control system of regional power grid
07/04/2012CN102545228A Design method of dispersing slip form load frequency controller of uncertainty power system
07/04/2012CN102545227A Phase-sequence-identification-based adaptive control method for active power filter
07/04/2012CN102545226A Device and method for harmonic suppression and reactive compensation
07/04/2012CN102545225A High-voltage parallel hybrid active power filter and iterative learning control method with forgetting factor
07/04/2012CN102545224A Simplified LC (inductance capacitance)-type hybrid active power filter suitable for middle-high voltage system
07/04/2012CN102545223A High-voltage dynamic filtering power-saving device for mine
07/04/2012CN102545222A Distributed power flow controller based on line cubic harmonic wave
07/04/2012CN102545221A Full-active dynamic harmonic suppression and reactive compensation system used for direct current motor-driven drilling machines
07/04/2012CN102545220A Shielding shelter power supply and signal combined filter for low leakage current and design method thereof