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)
03/2012
03/28/2012CN202178576U 发电机组智能关机系统 Smart Shutdown System Generator
03/28/2012CN202178575U 一种油田生产用防盗电装置 One kind of oil production with anti-theft electronic devices
03/28/2012CN202178574U Three-phase static var compensator (SVC) device used at traction side of electrified railway
03/28/2012CN102396128A Method and device for connecting a photovoltaic system to an alternating-current network
03/28/2012CN102396127A A method for supplying outside energy to an onboard electrical power network of a ship, a ship with such an outside energy supply
03/28/2012CN102394551A Direct current transmission converter valve cooling system
03/28/2012CN102394501A Energy-saving method and device based on power grid load dynamic balance
03/28/2012CN102394500A Control method for improving dynamic voltage restorer harmonic inhibition capability
03/28/2012CN102394499A Multi-machine graded type complete active control device for low-voltage heavy-current harmonic waves
03/28/2012CN102394498A Singlechip digital filtering device for voltage measurement of double-fed wind farm
03/28/2012CN102394497A Microgrid coordination control system and method based on state transition
03/28/2012CN102394496A Electric energy quality comprehensive assessment method of distributed generating system and micro power grid
03/28/2012CN101834448B Method for restraining sub-synchronous oscillation of power system based on SSSC (Static Synchronous Series Compensator)
03/28/2012CN101789604B Method for judging severity of grid voltage dip
03/28/2012CN101719695B Method for discriminating requirements of ultra-high voltage (UHV) line steady-state overvoltage device
03/28/2012CN101335454B System for remotely controlling energy distribution at local sites
03/27/2012US8144488 Voltage source converter station
03/27/2012US8143747 Flux control system for active voltage conditioning
03/27/2012CA2489909C Ac power backfeed protection based on phase shift
03/23/2012DE202012001459U1 Vorrichtung zur Erzeugung von zumindest elektrischer Energie aus Biomasse, insbesondere Blockheizkraftwerk Apparatus for generating electrical energy from biomass, at least, in particular cogeneration
03/22/2012WO2012035617A1 Smart grid ontology update device
03/22/2012WO2012035592A1 Information communication device and information communication method
03/22/2012WO2012034984A2 Stable subsea electric power transmission to run subsea high speed motors
03/22/2012WO2012034358A1 Intermediate temperature steam power generation system with new energy source
03/22/2012WO2012000514A3 System, method, and computer program product for utilizing a wind park as a variable power system stabilizer
03/22/2012WO2011121535A3 A system and method for managing resources
03/22/2012US20120069610 Converter
03/22/2012US20120069512 Power supply system and container data center including same
03/22/2012US20120068654 Configurable multi-axis electric drive system concept
03/22/2012US20120068540 Energy storage system for balancing load of power grid
03/22/2012US20120068539 Semiconductor integrated circuit
03/22/2012DE102010046105A1 Wetterstation zur Messung von Windstärke oder/und Beleuchtungsstärke Weather station for measuring wind speed and / or illumination
03/22/2012DE102010041077A1 System zum Laden eines Energiespeichers und Verfahren zum Betrieb des Ladesystems System for charging an energy storage device and method for operating the charging system
03/22/2012DE102010041075A1 Systeme zum Laden eines Energiespeichers und Verfahren zum Betrieb der Ladesysteme Systems for charging an energy storage device and method of operating the charging systems
03/22/2012DE102010041074A1 System zum Laden eines Energiespeichers und Verfahren zum Betrieb des Ladesystems System for charging an energy storage device and method for operating the charging system
03/22/2012DE102010041068A1 System zum Laden eines Energiespeichers und Verfahren zum Betrieb des Ladesystems System for charging an energy storage device and method for operating the charging system
03/22/2012DE102010041065A1 System zum Laden eines Energiespeichers und Verfahren zum Betrieb des Ladesystems System for charging an energy storage device and method for operating the charging system
03/22/2012DE102010041040A1 Energieversorgungsnetz und Verfahren zum Laden mindestens einer als Energiespeicher für einen Gleichspannungszwischenkreis dienenden Energiespeicherzelle in einem Energieversorgungsnetz Power supply system and method for charging at least one energy storage device serving as a DC voltage intermediate circuit energy storage cell in an energy supply network
03/22/2012DE102010041036A1 System zum Laden eines Energiespeichers und Verfahren zum Betrieb eines Ladesystems System for charging an energy storage device and method for operating a charging system
03/22/2012DE102010041034A1 Verfahren zum Umladen von Energie zwischen mindestens zwei Energiespeicherzellen in einem steuerbaren Energiespeicher Method for transferring energy between at least two energy storage cells in a controllable energy storage
03/22/2012DE102010041028A1 Energieversorgungsnetz und Verfahren zum Laden mindestens einer als Energiespeicher für einen Gleichspannungszwischenkreis dienenden Energiespeicherzelle in einem Energieversorgungsnetz Power supply system and method for charging at least one energy storage device serving as a DC voltage intermediate circuit energy storage cell in an energy supply network
03/22/2012DE102009026936B4 Vorrichtung zum Anschluss an ein elektrisches Energieversorgungsnetz und Transportsystem A device for connection to an electrical power supply network and transport system
03/21/2012EP2432295A1 Method and system for controlling a resistive load
03/21/2012EP2432113A1 Power generating device and control method therefor
03/21/2012EP2431830A2 Regulating device for a heating device
03/21/2012EP2430729A2 A wave energy conversion system
03/21/2012EP2430720A2 Distributed power generation
03/21/2012EP2209205B1 Method for operating a wind energy system in case of overvoltage in the grid
03/21/2012CN202172281U Grid-connected wind generating set
03/21/2012CN202172280U 作备用电源用的发电机并机系统 As a standby power generator and the computer system used
03/21/2012CN202172279U Photovoltaic grid-connected micro inverter device
03/21/2012CN202172278U 一种削弱ct启动对电网冲击的装置 A device ct start weakening impact on the grid
03/21/2012CN202172277U Maloperation protective structure of low-voltage motor in switch cabinet
03/21/2012CN202172276U Circuit for eliminating current distortion caused by inductive reactance in line
03/21/2012CN202172275U 谐波在线检测和治理装置 Harmonic line detection and control devices
03/21/2012CN202172274U 一种电网检修管理装置 One kind of grid maintenance management system
03/21/2012CN202170415U Energy-saving circuit of motor of industrial sewing machine under cycle control
03/21/2012CN1756025B Distributed power generation system using a fuel cell and a method of controlling the same
03/21/2012CN102388521A DC power supply system and output control method
03/21/2012CN102388519A Smart metering device with phase selector
03/21/2012CN102388518A An arrangement for exchanging power
03/21/2012CN102388517A An arrangement for exchanging power
03/21/2012CN102388219A Method for operating a wind turbine
03/21/2012CN102386830A 机械式转速控制装置和风力发电设备 Mechanical speed control devices and wind power generation equipment
03/21/2012CN102386826A Self-shunt excitation system based on energy storage type dynamic voltage restorer
03/21/2012CN102386791A Single-phase voltage type AC/DC converter, three-phase voltage type AC/DC converter, and stabilization control method
03/21/2012CN102386635A System and method for distribution of inverter var support
03/21/2012CN102386634A Harmonic-interference-free re-generation grid-connection device driven by low-voltage DC
03/21/2012CN102386633A Megawatt direct-drive alternating current-direct current-alternating current wind power generating system with squirrel-cage asynchronous generator
03/21/2012CN102386632A Device and method for double-fed crowbar to pass through power grid fault
03/21/2012CN102386631A Low-wind-speed-occasion multiple low-capacity unit convergence power generating system and method
03/21/2012CN102386630A Double-fed induction wind generator controller of non-grid side converter
03/21/2012CN102386629A 储能控制方法及储能变流器 Storage control method and storage converter
03/21/2012CN102386628A 10Kv line voltage reactive optimize compensation system based on reactive power flow analysis
03/21/2012CN102386627A Control system and control method for dynamic reactive power compensator
03/21/2012CN102386626A Intelligent control street lamp box-type transformer automatic switching device
03/21/2012CN102386625A Low-voltage reactive power compensation and harmonic control device
03/21/2012CN102386624A High-voltage reactive compensation IGBT power unit
03/21/2012CN102386623A Method for reducing loss of wind farm
03/21/2012CN102386622A Fully active harmonic control device combining full compensation and fractionated compensation of a plurality of machines
03/21/2012CN102386621A Single-tuned filter and optimal quality factor calculation method thereof
03/21/2012CN102381208A Energy consumption body and energy obtaining method and application thereof
03/21/2012CN102381206A Energy using body as well as energy obtaining method and application thereof
03/21/2012CN101969294B Alternating current servo driver capable of realizing energy feedback
03/21/2012CN101783611B Split induction three-level photovoltaic grid-connected inverter and control method thereof
03/21/2012CN101764414B Photovoltaic electric station grid connection capacity optimization and control method based on four-element constraint method
03/21/2012CN101672254B Wind farm and control method thereof
03/21/2012CN101556664B Cooperative load forecasting method based on maximum informational entropy
03/21/2012CN101546912B Same power network line loss classifying and assessing method
03/21/2012CN101106276B Fully intelligent power-saving device
03/20/2012US8138720 System and method for dual energy storage management
03/20/2012US8138632 Control method for redundant use in the event of a fault in a polyphase converter with distributed energy stores
03/20/2012US8138631 Advanced renewable energy harvesting
03/20/2012US8138629 Method and system for distributing energy
03/20/2012US8138627 Power management of network-connected devices in peak power periods
03/20/2012US8138626 Power node for energy management
03/20/2012US8138623 Integrated circuit with supply line intra-chip clock interface and methods for use therewith
03/20/2012US8138622 System and method for an AC powered downhole gauge with capacitive coupling
03/20/2012CA2638961C Generator for gas turbine engine having main dc bus accessory ac bus
03/20/2012CA2498993C Harmonic mitigating device with magnetic shunt
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