Patents for H02J 3 - Circuit arrangements for ac mains or ac distribution networks (38,663)
12/2011
12/28/2011EP2400620A2 Storage system for renewable energies
12/28/2011EP2400619A2 Low cost current source converters for power generation application
12/28/2011EP2400618A2 Actuator and energy management system with such actuators
12/28/2011EP2400617A1 Implementing a substation automation load transfer function
12/28/2011EP2400616A2 Method and device for operating a number of decentralised units supplied with electrical energy consumers/suppliers connected to an electric low voltage network conforming to the network
12/28/2011EP2400360A1 Automation device and method for energy optimisation
12/28/2011EP2260573B1 Improved voltage and current control method applied to a control apparatus for a device for the production of electrical energy
12/28/2011DE202011108033U1 Vorrichtung mit Energierückgewinnungssystem Device with energy recovery system
12/28/2011CN202094806U Novel power transmission and transformation device
12/28/2011CN202094687U Garbage power charging station
12/28/2011CN202094658U 橇装式多功能充能站 Skid-mounted multi-function Charge Station
12/28/2011CN202094657U 车载加气-充电站 Car aerated - Charging Station
12/28/2011CN202094656U 橇装式电动车充电站 Skid-mounted electric car charging stations
12/28/2011CN202094653U 橇装式加油-充电站 Skid-mounted refueling - Charging Station
12/28/2011CN202094650U Microgrid control system and Microgrid-type wind and light generating system adopting same
12/28/2011CN202094645U 一种多功能全自动并网装置 A versatile and automatic network device
12/28/2011CN202094644U High-voltage static var generator grid connected structure
12/28/2011CN202094643U Wind power energy storage power station
12/28/2011CN202094642U Signal acquisition device based on dynamic scalable vector graphics (SVG) for reactive compensation
12/28/2011CN202094641U Svg charging circuit
12/28/2011CN202094640U Mounting structure of contactless switching switch
12/28/2011CN202094639U Reactive power compensator for prefabricated substation
12/28/2011CN202094638U Work supplement and filtering apparatus of short web of inversion and mixing type
12/28/2011CN202094637U Module type reactive power compensation device for short webs of submerged arc furnaces
12/28/2011CN202094636U Tryristor switch with balanced power capacitor potential
12/28/2011CN202094635U Electricity saving control device for electric welding machine
12/28/2011CN202094634U Dynamic reactive power compensation device
12/28/2011CN202094633U Dynamic reactive power compensation device for seamless steel pipe piercing machine
12/28/2011CN202094632U Hybrid electric power filter
12/28/2011CN202094628U 一种用于电梯显示器的防电流冲击装置 An elevator display the current anti-shock device
12/28/2011CN202094584U Ice melting system for overhead contact line of electrified railway
12/28/2011CN202092474U Mine heat furnace controller with low-pressure reactive compensation and electrode current control
12/28/2011CN102301585A 具有lvrt能力的风力涡轮机 Having the ability to wind turbine lvrt
12/28/2011CN102301584A 用于风力涡轮的电力系统频率惯性 For a wind turbine power system frequency inertia
12/28/2011CN102301578A 带有功率控制的能量转换系统 Energy conversion system with power control
12/28/2011CN102301557A 用于平衡在自导向多级无功电流补偿器的中间电路电压方法和自导向多级无功电流补偿器 Used to balance the self-oriented multi-level reactive current compensation method of the intermediate circuit voltage and the self-guided multi-level reactive current compensation
12/28/2011CN102301556A 风力涡轮机的自适应电压控制 Adaptive voltage control of the wind turbine
12/28/2011CN102301555A 使用事件触发调试运行供电组 Use event trigger commissioning power group
12/28/2011CN102301554A 使用计量器数据的分发系统分析 Metering data distribution system analysis
12/28/2011CN102299677A 用于旋转发电系统的电力转换系统以及方法 Power conversion system for rotating the power generation system and a method
12/28/2011CN102299676A 一种调速同步电机机组 A synchronous motor speed control unit
12/28/2011CN102299642A 电容变压器及其应用 Capacitive transformer and its application
12/28/2011CN102299527A 一种风电场无功功率控制方法和系统 A wind farm reactive power control method and system
12/28/2011CN102299526A 一种双馈式风力发电机组低电压穿越控制方法及系统装置 A dual-fed wind turbine LVRT control method and system devices
12/28/2011CN102299525A 一种并网光伏发电系统的混成控制装置及其控制方法 A hybrid control device and control method and grid-connected PV systems
12/28/2011CN102299524A 一种基于静分岔控制sgsc的dfig风电系统低电压穿越控制方法 Based on static bifurcation control sgsc of wind power systems dfig LVRT control method
12/28/2011CN102299523A 一种用于三相四线制配电网的动态电压恢复器 A dynamic voltage restorer phase four-wire distribution network
12/28/2011CN102299522A 一种电机测试两级能量泻放系统及其泻放方法 A motor test two energy bled and bled system method
12/28/2011CN102299521A 一种基于反馈线性化理论的混沌控制方法 A chaos control method based on the theory of feedback linearization
12/28/2011CN102299520A 微电网无功功率补偿方法和系统 Microgrid reactive power compensation method and system
12/28/2011CN102299519A 交流电容器投切开关电路 AC capacitor switching switch circuit
12/28/2011CN102299518A 一种三相交流补偿式稳压器 A three-phase AC compensation regulator
12/28/2011CN102299517A 工业用消谐滤波节能装置及其方法 Industrial energy efficiency harmonic elimination filter apparatus and method
12/28/2011CN102299516A 模块化有源滤波器的功率模块 Modular power active filter module
12/28/2011CN102299515A 一种基于混杂系统理论的apf新型切换控制方法 A new type of hybrid system theory apf switching control method based on
12/28/2011CN102299514A 一种抑制励磁涌流的自动投切式变压器运行控制方法 An automatic transformer switching operation control method of magnetizing inrush current suppression
12/28/2011CN102299513A 用户级混合电力智能配电系统与方法 User-level intelligent hybrid electric distribution system and method
12/28/2011CN101800428B 省地协调母线电压协调约束上下限值获得方法 Provincial Coordination bus voltage upper and lower limits for obtaining coordination constraints
12/28/2011CN101640420B 一种tcr、fc共用一台高压开关时的无电压冲击投运方法 No voltage surges into operation method tcr, fc share a high-voltage switch when
12/28/2011CN101625389B 一种考虑负荷变化特性的电力系统稳定性分析方法 Power system stability analysis method to consider changes in the characteristics of the load
12/28/2011CN101510691B 一种线路电流同步过零处理方法 A circuit current synchronized approach zero
12/28/2011CN101507079B 电力储存装置和混合型分布电源系统 Power storage means and hybrid distributed power supply system
12/28/2011CN101304174B 用于交流电流电源供应器的能量回收系统 Alternating current power supply for energy recovery system
12/27/2011US8084715 Method and means for heating and controlling the temperatures in a sauna
12/25/2011CA2743673A1 Power generating system
12/25/2011CA2708539A1 Convertible electrical distribution panel
12/22/2011WO2011157974A1 Charging system for an electric vehicle
12/22/2011WO2011157938A1 Method of managing an object by means of a management gateway using a telecommunications network
12/22/2011WO2011157834A2 Power supply and control device for actuators, corresponding actuation assembly, and aircraft comprising such a device
12/22/2011WO2011157567A1 Method to minimize input current harmonics of power systems such as esp power systems
12/22/2011WO2011157307A1 A power network islanding
12/22/2011WO2011157300A1 Converter for hvdc transmission and reactive power compensation
12/22/2011WO2011070146A3 Method and apparatus for managing seawater desalination system and seawater desalination system
12/22/2011WO2010130821A3 A wave energy conversion system
12/22/2011WO2010130518A3 A wave energy conversion system
12/22/2011US20110313588 Power saving system and method
12/22/2011US20110310641 method of upgrading a plant for transmitting electric power and such a plant
12/22/2011US20110309690 Centralized islanding protection for distributed renewable energy generators
12/22/2011US20110309684 Apparatus and method for the anti-islanding of power conditioning system
12/22/2011US20110309683 Electric power control system and electric power facility comprising the electric power control system
12/22/2011US20110309145 Mobile device using short cycle power source
12/22/2011US20110308177 Solar Energy Collection Systems and Methods
12/22/2011DE102010024278A1 Stationäre Stromversorgungseinrichtung Stationary power supply device
12/22/2011DE102010024138A1 Vorrichtung zur Netzspannungssymmetrisierung Apparatus for Netzspannungssymmetrisierung
12/22/2011CA2802933A1 Converter for hvdc transmission and reactive power compensation
12/22/2011CA2707052A1 Power supply gift box
12/21/2011EP2398127A2 Power generating system
12/21/2011EP2398125A2 Device and method for energy management
12/21/2011EP2398124A1 Method to minimize input current harmonics of power systems such as ESP power systems
12/21/2011EP2397926A2 A self-healing power grid and method thereof
12/21/2011EP2397689A1 Method and system for controlling a power production entity
12/21/2011EP2397688A1 Electric power control system and electric power facility comprising the electric power control system
12/21/2011EP2396879A1 Power supply system
12/21/2011EP2396866A2 Ac-connection of an off-shore wind-park to an on-shore electricity grid and booster transformer for providing such an ac-connection
12/21/2011EP2396865A1 An electric correction unit
12/21/2011EP2396762A1 Resource supply management system and method
12/21/2011EP2396761A1 System and method of democratizing power to create a meta-exchange
12/21/2011EP1665495B1 Method for operating a wind turbine during a disturbance in the grid
12/21/2011EP1664961B1 Device for adjusting the impedance of a high voltage line supplying an alternating current
12/21/2011CN202085125U 双馈发电机转子初始位置零位偏差的辨识方法的控制装置 Doubly-fed generator rotor controls the initial position of zero deviation identification method