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)
10/2011
10/05/2011	EP2372862A2 Dc transmission system for remote solar farms
10/05/2011	EP2372861A1 Data center management unit with dynamic load balancing
10/05/2011	EP2372487A2 Solar light power generation system, control device, and control method thereof
10/05/2011	EP2371611A1 Device and method for controlled exchange of energy between a power network and a meter
10/05/2011	EP2371047A1 Multilevel converter as reactive power compensator having active power symmetrization
10/05/2011	EP2139089B8 Transformation device for automatically adjusting voltage of three-phase power supply
10/05/2011	CN202005010U Practical LED energy saving lamp
10/05/2011	CN202004702U Motor soft start device taking account of reactive power compensation
10/05/2011	CN202004701U Circuit of motor soft starter
10/05/2011	CN202004700U Motor starting device
10/05/2011	CN202004681U Topological structure of photovoltaic grid-connected inverter
10/05/2011	CN202004647U Multifunctional rectification and inversion electric energy feedback load
10/05/2011	CN202004523U Common direct-current bus energy-saving control system of withdrawal and straightening unit
10/05/2011	CN202004503U System for electric vehicle to switch on power grid for charging and discharging
10/05/2011	CN202004474U Microcomputer automatic quasi-synchronizing device
10/05/2011	CN202004473U Grid-connected generating system
10/05/2011	CN202004472U Automatic synchronization control system of power generator set
10/05/2011	CN202004471U Energy storage wind generating set
10/05/2011	CN202004470U Electrical connection structure for connecting offshore wind generating sets to power grid
10/05/2011	CN202004469U 10KV no-load automatic switching device of agricultural transformer
10/05/2011	CN202004468U New-energy power system
10/05/2011	CN202004467U Thermoelectric energy storage grid electric power peak regulation system
10/05/2011	CN202004466U Series transformer-free cascade multilevel dynamic voltage regulator
10/05/2011	CN202004465U System power-saving device
10/05/2011	CN202004464U Hxgj series dynamic reactive power compensation and filtering device
10/05/2011	CN202004463U Dynamic reactive compensation controller based on digital signal processing (DSP)
10/05/2011	CN202004462U SVC (switching virtual circuit) reactive power forecast and compensation device loaded by rectifier
10/05/2011	CN202004461U Intelligent low-voltage reactive power compensator
10/05/2011	CN202004460U Vacuum composite switch for switching capacitor
10/05/2011	CN202004459U Novel energy-saving power regulation and compensation device
10/05/2011	CN202004458U Active filter circuit with intelligent communication function
10/05/2011	CN202004457U Filtering cabinet
10/05/2011	CN202004456U Filtering energy-saving system
10/05/2011	CN202004455U Universal electricity saving device
10/05/2011	CN202004449U Lightning protection filter of electronic shelter
10/05/2011	CN202004420U Protection circuit of high-voltage therapeutic apparatus circuit
10/05/2011	CN202002997U Grounding fault detector for solar panel
10/05/2011	CN1982703B System and method for integrating wind power generation and pumped hydro energy storage systems
10/05/2011	CN1902808B Decentralized power generation system
10/05/2011	CN102210088A Chain-link converter, method for starting chain-link converter and static compensator system
10/05/2011	CN102210079A Smart responsive electrical load
10/05/2011	CN102208883A DC transmission system for remote solar farms
10/05/2011	CN102208874A Isolated voltage compensation circuit
10/05/2011	CN102208818A Wavelet-filtering-based output smoothing control method for megawatt wind/solar/battery power generation system
10/05/2011	CN102208817A Reactive-power-disturbance-based grid-connected island detection method for photovoltaic system
10/05/2011	CN102208816A Control distribution transformer and method of making same
10/05/2011	CN102208815A Household multi-energy system and control method thereof
10/05/2011	CN102208814A Capacitance compensation fling-cut switch
10/05/2011	CN102208813A Artificial Neutral Point (ANP) power factor correction circuit
10/05/2011	CN102208812A Unbalance compensation method for three-level static synchronous compensator
10/05/2011	CN102208811A Wiring structure of distribution network containing microgrid
10/05/2011	CN102208810A Distributed control system for cascaded multilevel active power filter
10/05/2011	CN102208809A Reliability assessment method for distribution network including photovoltaic power supply
10/05/2011	CN102208808A Power regulation method for improved-power-flow-tracing-based risk assessment
10/05/2011	CN102208807A Medium and low voltage distribution network energy efficiency evaluation method based on accurate load measurement data
10/05/2011	CN102208803A Parallel-connection type current limiter of multi-objective short-circuit current faults
10/05/2011	CN101694940B Optimal power flow implementation method considering transient security constraints
10/05/2011	CN101673952B Precise phase locking method based on cross decoupling self-adaptive complex filter
10/05/2011	CN101609989B System for calculating power supply abundance of urban power network
10/04/2011	US8032531 Section identification and distribution system monitoring system, method and program product
10/04/2011	US8030796 System and method for controlling current in a movable barrier operator
09/2011
09/30/2011	DE202011103332U1 Vorrichtung bzw. Anordnung mehrerer solcher Vorrichtungen zur Erzeugung einer Trainingslast bei Cardiogeräten, mit der elektrischer Strom erzeugt und so aufbereitet wird, dass dieser in ein Stromnetz eingespeist werden kann Will Device or arrangement of several such devices for generating a training load with cardio equipment, with the electric current generated and processed so that it can be fed into a power grid
09/29/2011	WO2011119679A1 Systems, devices, and methods of energy management, property security and fire hazard prevention
09/29/2011	WO2011118766A1 Electric power supply system, central management device, power system stabilization system, central management device control method, and central management device control program
09/29/2011	WO2011118627A1 Power supply system
09/29/2011	WO2011118607A1 Power supply device, power storage device, and power control device
09/29/2011	WO2011118606A1 Power supply system
09/29/2011	WO2011118187A1 Charging control apparatus, charging system, and charging control method
09/29/2011	WO2011118103A1 Multichannel power controller
09/29/2011	WO2011118007A1 Data transmission device
09/29/2011	WO2011116816A1 A voltage source converter and a method for fault handling thereof
09/29/2011	WO2011077221A3 Electric power supply system
09/29/2011	WO2011077219A3 Electric power supply system
09/29/2011	US20110234015 Cooling system and sever using same
09/29/2011	US20110234009 Fuel cell device and method for feeding electrical current to electrical network
09/29/2011	US20110234008 Method for Smoothing Alternating Electric Current From a Number of Power Generating Units and Wind Power Plant Including a Number of Wind Mills with Variable Rotational Speed
09/29/2011	US20110232714 Power conversion system and method providing maximum efficiency of power conversion for a photovoltaic system, and photovoltaic system employing a photovoltaic array and an energy storage device
09/29/2011	CA2793475A1 A voltage source converter and a method for fault handling thereof
09/28/2011	EP2369710A1 A method of estimating an energy demand to be covered by a supplier, corresponding computer program product, and data storage device therefor
09/28/2011	EP2368305A1 Charging device for electrically drivable vehicle
09/28/2011	EP2368303A1 Islanding detection system
09/28/2011	EP2030299B1 Inverter for feeding electrical energy into a power supply system
09/28/2011	EP2027647B1 Device for feeding electric energy into a power grid and dc converter for such a device
09/28/2011	CN201994911U 电动机智能节电控制器 Intelligent power-saving motor controller
09/28/2011	CN201994884U 太阳能光伏发电系统 Solar photovoltaic systems
09/28/2011	CN201994883U 一种分布式mppt光伏逆变系统 A distributed mppt photovoltaic inverter system
09/28/2011	CN201994881U Grid-connected tile-type photovoltaic generating system
09/28/2011	CN201994870U Non-transformer inverter achieved by switch capacitor
09/28/2011	CN201994685U Zero-potential difference double-stator high-speed permanent magnet wind driven generator system
09/28/2011	CN201994684U 一种储能控制系统 One kind of energy storage control system
09/28/2011	CN201994683U 丛式采油井组抽油机拖动电动机无功集中动态补偿装置 Cong-style production wells pumping drag motor group dynamic reactive power compensation device centralized
09/28/2011	CN201994682U 用于并联电容器组的串联电抗器 Series Reactor for shunt capacitor banks
09/28/2011	CN201994681U 高压静止无功动态补偿装置 High voltage static dynamic reactive power compensation device
09/28/2011	CN201994680U 高压电容器组无损智能投切装置 Non-destructive high voltage capacitor bank switching device intelligence
09/28/2011	CN201994679U 高压无功功率自动补偿装置 High-voltage reactive power automatic compensation device
09/28/2011	CN201994678U 矿用无功补偿设备 Mine reactive power compensation equipment
09/28/2011	CN201994677U 智能型电能质量调节系统 Intelligent power quality conditioning systems
09/28/2011	CN201994676U 线路动态无功补偿装置 Line dynamic reactive power compensation device
09/28/2011	CN201994675U 线路晶闸管投切电容动态无功补偿装置 Line thyristor switched capacitor dynamic reactive power compensation device
09/28/2011	CN201994674U 光伏并网系统的无功补偿和谐波抑制的装置 PV grid system reactive power compensation and harmonic suppression devices

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