Patents for H02J 3 - Circuit arrangements for ac mains or ac distribution networks (38,663)
12/2011
12/15/2011DE102010023262A1 Solarkraftwerk mit erhöhter Lebensdauer Solar power plant with extended life
12/15/2011CA2802159A1 Power supply circuit for an aircraft de-icing system
12/15/2011CA2801973A1 Thermal storage device controller
12/15/2011CA2801820A1 Method for feeding electrical power into a three-phase ac voltage system
12/15/2011CA2743182A1 Power generating system
12/14/2011EP2395671A1 Controlling apparatus and controlling method
12/14/2011EP2395645A2 Method and arrangement in connection with electric drive system
12/14/2011EP2395644A2 Method and system to allow for high dc source voltage with lower dc voltage in a two stage power converter
12/14/2011EP2395362A1 Distributed power supply system
12/14/2011EP2394861A2 Hybrid electric power architecture for a vehicle
12/14/2011EP2394357A1 Converter
12/14/2011EP2394348A2 Smart metering device with phase selector
12/14/2011EP2394347A1 Integrated voltage and var optimization process for a distribution system
12/14/2011EP2394346A1 Inductive power transfer apparatus
12/14/2011EP2394345A1 Inductive power transfer apparatus
12/14/2011EP2394204A1 Distributed electrical power production system and method of control thereof
12/14/2011EP2394054A1 Method for feeding a multiphase electric network and associated circuit arrangement
12/14/2011EP1933441B1 System and method for controlling a microgrid
12/14/2011EP1787377B1 System consisting of a number of modules for monitoring and controlling an electrical installation
12/14/2011CN202077249U 一种抗电磁干扰及保护器 An anti-electromagnetic interference and protection
12/14/2011CN202076985U Constant reactive power control system suitable for multi-generator leading-phase operation
12/14/2011CN202076961U Solar photovoltaic power system with energy networking function
12/14/2011CN202076806U Countercurrent prevention system
12/14/2011CN202076805U Compensating device for assisting wind generating set with low voltage ride through
12/14/2011CN202076804U 一种风力发电机全功率试验控制系统 A wind turbine control system full power test
12/14/2011CN202076803U Wind power generating equipment
12/14/2011CN202076802U Intelligent high-voltage reactive power compensation cabinet
12/14/2011CN202076801U Air exhausting structure on reactive compensation cabinet
12/14/2011CN202076800U Power factor compensating device
12/14/2011CN202076799U Magnetic control reactor system device controlled by PLC (programmable logic controller)
12/14/2011CN202076798U 用于中压变频调速装置的三相输出正弦波滤波器 Three-phase sine wave output voltage filter frequency control device for
12/14/2011CN202076797U Centralized branch control type power supply system for temporary workshops
12/14/2011CN202076788U Parallel-type multi-target short-circuit fault current limiter
12/14/2011CN202076196U Controller of high-voltage permanent-magnet zero crossing switch
12/14/2011CN102282737A 用于配电线路上的源阻抗的估计的方法以及系统 The method for estimating the source impedance of the distribution line and the system
12/14/2011CN102281014A 一种具有处理直流故障功能的多电平换流器 Having a DC fault handling capabilities of multi-level inverter
12/14/2011CN102280935A Intelligent power grid management system
12/14/2011CN102280922A 共用电池电路及不间断电源系统 Shared battery circuit and uninterruptible power supply systems
12/14/2011CN102280903A 一种v2g智能充放电系统 One kind v2g intelligent charge and discharge system
12/14/2011CN102280901A 复合型风力发电机组低电压穿越控制装置及控制方法 Device and control method of composite wind turbine control LVRT
12/14/2011CN102280900A 一种小功率太阳能电池并网发电系统 A small-power and solar power generation systems
12/14/2011CN102280899A 电动轮胎式门式起重机共直流母线装置 Tyred gantry crane electric DC bus system
12/14/2011CN102280898A 控制高压直流系统中的电压源变换器的方法和变换器站 Methods HVDC control system voltage source converters and converter station
12/14/2011CN102280897A 在50Hz电网中检测60Hz风电机组并网性能的方法 Detect 50Hz 60Hz grid wind turbine and method for network performance
12/14/2011CN102280896A 基于灰色模型控制的风力发电储能装置及方法 Based on wind power energy storage device and method for control of gray model
12/14/2011CN102280895A 一种区域电网增量式多目标分层动态无功控制方法 Of a regional power grid incremental multi-objective hierarchical dynamic reactive power control method
12/14/2011CN102280894A 基于can总线的静止型动态无功补偿装置和方法 Based on static type dynamic reactive power compensation device and method can bus
12/14/2011CN102280893A 电力线路优化补偿装置 Compensation device optimized power lines
12/14/2011CN102280892A 分布式电力无功优化的实时控制设备和方法 Apparatus and method for distributed real-time control of reactive power optimization
12/14/2011CN102280891A 基于光纤高速通讯的svg装置并联运行控制系统及其方法 Svg device based control system and method for parallel operation of high-speed optical fiber communication
12/14/2011CN102280890A 一种小型化紧凑型户外高压电容补偿成套设备 A miniaturized compact outdoor high-voltage capacitor compensation equipment
12/14/2011CN102280889A 基于克隆-粒子群混杂算法的电力系统无功优化方法 Based on cloning - Hybrid particle swarm algorithm for reactive power optimization
12/14/2011CN102280888A 一种三相四桥臂有源电力滤波器的直流侧电压控制方法 A three-phase DC voltage control method for four-leg Active Power Filter
12/14/2011CN102280887A 电力系统电压调节器投入退出方法 Power system voltage regulator input method exits
12/14/2011CN102280886A 一种配电变压器经济运行判据算法系统 An electrical distribution transformer economic operation criterion algorithm system
12/14/2011CN102280885A 一种将电力系统解列成多个子系统的方法 A method of power system fitted to multiple subsystems solution method
12/14/2011CN102280884A 一种电网等值方法 An equivalent method grid
12/14/2011CN102280883A 一种用于电力系统动态仿真验证的广域模式分析方法 A power system dynamic simulation model for the analysis of a wide area
12/14/2011CN102280882A 一种采用复合协调关口的省地协调电压控制方法 Coordinated voltage control method using a composite mark of Provincial Coordination
12/14/2011CN102280881A 一种用于电气化铁路牵引侧的三相svc补偿装置 An electrified railway traction side of the three-phase compensation means for svc
12/14/2011CN102280880A 一种差异化补偿的电气化铁路电能质量治理装置 A differentiated compensation of electrified railway power quality control device
12/14/2011CN102280879A 风电场大规模储能电站功率调节方法及系统 Large-scale wind farm energy storage power station power adjustment method and system
12/14/2011CN102280878A 基于sced的风电接纳能力优化评估方法 Wind power capacity to accept sced optimization based assessment methods
12/14/2011CN102280877A 一种多量测断面的电力系统不良支路参数辨识方法 One kind of large amounts of test section of the power system parameter identification of adverse branch
12/14/2011CN102280876A 海上电网电站负荷计划预处理的方法及装置 Offshore grid load power station planned pretreatment method and apparatus
12/14/2011CN102280875A 电力网的孤岛划分 Islanding power grid
12/14/2011CN102280874A 一种台区线损率检测系统 A flat-line loss rate zone detection system
12/14/2011CN102280841A 配电系统 Distribution system
12/14/2011CN102279297A 能源管理装置及方法 Energy management apparatus and method
12/14/2011CN102278265A 一种利用水波浪能和风能互补发电的发电方法及装置 A use of water waves and wind hybrid power generation method and apparatus
12/14/2011CN101741083B 突破大力发展风电瓶颈的方法及其供电系统 Methods to break the bottleneck to develop wind power and supply system
12/14/2011CN101707367B 一种超导限流储能电路 A superconducting current limiter tank circuit
12/14/2011CN101662141B 结合比相继电器的串联电容补偿线路距离保护方法 Series Compensation combined ratio relative distance relay protection methods
12/14/2011CN101515719B 一种建立发电机轴系多质量块变阻尼模型的方法及装置 Method and apparatus for establishing a multi-generator shaft model variable damping mass
12/14/2011CN101499737B 电力变换装置 Power conversion means
12/14/2011CN101494383B 一种逆变器并联系统控制方法 An inverter parallel system control method
12/14/2011CN101394087B 将ems已建的内网模型与外网bpa网络模型整合的方法 The network model has been built with ems bpa extranet network model integrated approach
12/13/2011US8078330 Automatic energy management and energy consumption reduction, especially in commercial and multi-building systems
12/13/2011US8078318 Appliance control apparatus and method
12/13/2011US8076913 Voltage converters and voltage generating methods for generating output voltage signals according to a pulse width modulation signal
12/13/2011US8076793 Magnetic isolation of power sourcing equipment control circuitry
12/09/2011CA2742453A1 Power system for use with renewable energy sources and the power grid
12/08/2011WO2011153063A2 Power distribution system having priority load control
12/08/2011WO2011152512A1 Power supply control device
12/08/2011WO2011152448A1 Photovoltaic power generation system and user interface device for same
12/08/2011WO2011152249A1 Utility interconnection system and distributor
12/08/2011WO2011152021A1 Electricity demand management device, and electricity demand management system
12/08/2011WO2011152020A1 Robot and power-consumption estimation system
12/08/2011WO2011152019A1 Power demand management device and power demand management system
12/08/2011WO2011151939A1 Power system
12/08/2011WO2011151938A1 Electric power system
12/08/2011WO2011151750A2 System and method for sequential application of power to electrical loads
12/08/2011WO2011151599A2 Matrix connection device for photovoltaic panels and/or wind turbines.
12/08/2011WO2011151160A1 Aircraft and corresponding power supply unit
12/08/2011WO2011151031A1 Method and system for adapting a production flow schedule for a production process
12/08/2011WO2011150963A1 Interface arrangement between ac and dc systems using grounding switch
12/08/2011WO2011150962A1 Interface arrangement between ac and dc systems including filter at transformer neutral point
12/08/2011WO2011150684A1 Direct current arc proof circuit and method thereof
12/08/2011US20110301776 In-Wall Occupancy Sensor with Mode Selection Features
12/08/2011US20110301773 Method and apparatus for preventing overloads of power distribution networks