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)
11/2010
11/04/2010CA2759384A1 Methods and systems for no-break power transfer with a converter
11/03/2010EP2246955A2 Apparatus for actuating and managing electric nets and electric energy acquired/produced by a user/producer
11/03/2010EP2245728A2 Wind energy plant having converter control
11/03/2010EP2245717A2 Wind energy plant having a double-energized asynchronous generator and converter control
11/03/2010EP2245714A1 Intelligent circuit breaker apparatus and methods
11/03/2010EP2135349B1 Method for operating a wind energy system in case of overvoltages in the grid
11/03/2010CN201623651U Single-stage three-phase solar photovoltaic grid-connected inverter
11/03/2010CN201623645U Phase-controlled industrial direct current supply
11/03/2010CN201623502U Wind and solar hybrid on-grid and off-grid inverting system
11/03/2010CN201623501U Photovoltaic feedback inverter control system
11/03/2010CN201623500U Small shunt-connected wind power generation system with storage battery
11/03/2010CN201623499U Solar energy inverter centralized control device with expandable function
11/03/2010CN201623498U Photovoltaic power generation system for improving IGBT single tube power
11/03/2010CN201623497U Outdoor collecting type high-voltage reactive power compensation device
11/03/2010CN201623496U Following-type reactive power compensation device
11/03/2010CN201623495U Reactive power compensation complete equipment of SVC transformer substation
11/03/2010CN201623494U Low voltage reactive power automatic regulating device
11/03/2010CN201623493U Capacitor compensating device with harmonic suppression function
11/03/2010CN201623492U Dynamic reactive power compensation controller
11/03/2010CN201623491U High-voltage permanent-magnetic zero-crossing switching filter compensation and energy saving device
11/03/2010CN201623490U Filter compensating and energy saving device for electric smelting furnace based on PLC control
11/03/2010CN201623489U Reactive power compensation and filtering device of oil rig
11/03/2010CN201623488U Trigger pulse forming device used in high-voltage reactive power compensation equipment
11/03/2010CN201623487U Low-voltage single-tuning type on-site frequency transformer harmonic suppression box
11/03/2010CN201623486U Active filter energy-saving cabinet
11/03/2010CN201623485U Power supplying intermediary device for supplying power to load rotating in space
11/03/2010CN201623476U Lightning stroke filtering protection module
11/03/2010CN201621013U Speed-adjustable type wind turbine generator system
11/03/2010CN201620737U Hollow glass reception device for automatically controlling servo solar louver photovoltaic cell
11/03/2010CN101878575A Hybrid power system with variable speed genset
11/03/2010CN101878574A Frequency sensitive lighting control device
11/03/2010CN101877568A Dynamic stabilization device and stabilization method for subsynchronous oscillation of generator set
11/03/2010CN101877548A Three-phase four-leg inverter used for photovoltaic grid-connected power generation and photovoltaic grid-connected power generation system
11/03/2010CN101877488A Device for realizing low voltage ride-through capability of wind turbine generator system
11/03/2010CN101877487A Battery energy storage power station and method for balancing power network load
11/03/2010CN101877486A Battery energy storage power station used for balancing power network load
11/03/2010CN101877485A Harmonic filter in power supply system
11/03/2010CN101877484A Filter circuit
11/03/2010CN101877483A Linear feedback control-based electric system saddle node bifurcation controller
11/03/2010CN101877482A Weak connection identifying method based on sensitivity of slow-mode characteristic values to line parameters
11/03/2010CN101876988A Chaos searching method of economic load dispatching of electric power system
11/03/2010CN101499659B Transforming plant distributed state estimation method based on Kirchhoff's current law
11/03/2010CN101428570B Direct net suspension mode for implementing homophase traction power supply based on high voltage synthetic compensating gear
11/02/2010US7825640 Connecting a prime mover driven alternator to a circuit with an existing alternating current
11/02/2010US7825540 Power conversion device
11/02/2010US7825538 Power distribution system utilizing redundant AC sources or DC sources
11/02/2010US7825536 Intelligent power system
11/02/2010US7825533 Transmission system for interchanging information data between an electrical load and an upstream converter
10/2010
10/28/2010WO2010122273A2 System for managing electric energy using inverters
10/28/2010WO2010121784A1 Electrical energy generating installation driven at variable rotational speeds, with a constant output frequency, especially a wind power installation
10/28/2010WO2010121783A1 Electrical energy generating installation driven at variable rotational speeds, with a constant output frequency, especially a wind power installation
10/28/2010WO2010121782A1 Energy generating installation, especially wind power installation
10/28/2010WO2010090870A3 Method and apparatus for characterizing a circuit coupled to an ac line
10/28/2010WO2010012629A2 Photovoltaic system and generator junction box in a photovoltaic system
10/28/2010US20100270864 Genset system with energy storage for transient response
10/28/2010DE102009018377A1 Verfahren und elektrische Schaltung zum Testen eines an ein elektrisches Energieversorgungsnetz anschließbaren Energieerzeugers oder Energieverbrauchers Procedures and electrical circuit for testing a connectable to an electrical power grid energy producer or consumer of energy
10/28/2010DE102009017157A1 Verfahren zur Versorgung eines elektrischen Schiffs-Bordnetzes mit Fremdenergie, Schiff mit einer derartigen Fremdenenergieversorgung sowie Nachrüstverfahren hierfür Method for supplying an electric boat electrical system with external energy, ship with such a stranger energy supply and retrofit method therefor
10/28/2010CA2759439A1 Electrical energy-generating installation driven at variable rotational speeds, with a constant output frequency, especially a wind power installation
10/28/2010CA2759430A1 Electrical energy-generating installation driven at variable rotational speeds, with a constant output frequency, especially a wind power installation
10/28/2010CA2759250A1 Energy-generating installation, especially wind power installation
10/27/2010EP2244348A2 Wind farm with multiple wind energy assemblies and method for regulating the feed-in from a wind farm
10/27/2010EP2244347A2 Hybrid aircraft electrical architecture with both variabe and constant frequency generators
10/27/2010EP2243208A1 Pv sub-generator junction box, pv generator junction box, and pv inverter for a pv system, and pv system
10/27/2010EP1511166B1 Power converter
10/27/2010CN201616711U 一种三相电力设备数字解耦监控装置 A three-phase power equipment monitoring device digital decoupling
10/27/2010CN201616680U 能量回馈电网式节能直流电子负载 Regenerative power energy-saving DC Electronic Load
10/27/2010CN201616679U 带电压自适应功率单元的矿井提升机高压变频器 Adaptive power units with voltage mine hoist high voltage inverter
10/27/2010CN201616678U 工矿企业再生能源智能接入系统 Industrial and mining Renewable Energy Smart Access System
10/27/2010CN201616677U 一种基于可关断器件的移动式输电装置 A turn-off devices based mobile transmission unit
10/27/2010CN201616676U 一种电力储能系统的模块化变流器 A power storage system is modular converter
10/27/2010CN201616675U 抗瞬态与稳态组合干扰电源滤波器 A combination of anti-interference transient and steady power supply filter
10/27/2010CN201616674U 一种电网解列和减载装置 One kind of power splitting and load shedding devices
10/27/2010CN201615027U 一种高速永磁同步风力发电机 A high-speed permanent magnet synchronous generator
10/27/2010CN101873004A Unified coordination AGC (Automatic Generation Control) control method of interconnected network
10/27/2010CN101872983A Load-type rapid grid connection device of small water turbine generator set
10/27/2010CN101872982A Method for converting valley electricity into electric energy of mobile storage
10/27/2010CN101872981A Electrified railway electric energy quality compensating device
10/27/2010CN101872980A Method for controlling low-voltage side reactive compensation equipment by reactive compensation control quantity of high-voltage side of transformer
10/27/2010CN101872979A Fourier-based feedforward Ddikaryon reactive compensation device and control method based on Fourier feedforward
10/27/2010CN101872978A Power supply device for ultrahigh-power silicon carbide smelting furnace and silicon carbide smelting device
10/27/2010CN101872977A Method for optimally controlling influences among harmonic sources and power quality of smart grid
10/27/2010CN101872976A Power sub-synchronous resonance inhibiting system based on NGH (Natural Gas Hydrate) method
10/27/2010CN101872975A Self-adaptive dynamic equivalence method for transient rotor angle stability online analysis of power system
10/27/2010CN101872974A Modeling method based on space magnetic field with transmission line on one tower
10/27/2010CN101872965A Current-limiting energy storage circuit and control method thereof
10/27/2010CN101872939A Transformer substation main wiring system based on main and transfer busbar
10/27/2010CN101872437A Energy-saving processing method and system thereof
10/27/2010CN101871433A Variable-speed constant-frequency wind power generation device having energy storing device
10/27/2010CN101521386B Traction power supply direct hanging type high voltage comprehensive compensation device
10/27/2010CN101505062B Multi-target collaborative control method for electrical power system wide domain wind powered peak regulation control system
10/26/2010US7821157 Method and device for injecting reactive current during a mains supply voltage dip
10/26/2010US7821156 System and methods for scheduling power usage
10/26/2010US7821155 Power supply systems for dispensers and methods of powering dispensers
10/24/2010CA2701315A1 Discrete energy assignments for manufacturing specifications
10/21/2010WO2010120974A1 Monitoring switching networks
10/21/2010WO2010120952A2 Automated shore power system
10/21/2010WO2010120667A1 Power factor correction device with adjustable capacitance
10/21/2010WO2010120316A1 Adaptation of an active power supply set using an event trigger
10/21/2010WO2010119895A1 Dc power supply system and output control method
10/21/2010WO2010119136A1 Method and apparatus for automatic network stabilization in electric power supply systems using at least one converter
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