Patents for H02J 3 - Circuit arrangements for ac mains or ac distribution networks (38,663) |
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12/28/2011 | EP2400620A2 Storage system for renewable energies |
12/28/2011 | EP2400619A2 Low cost current source converters for power generation application |
12/28/2011 | EP2400618A2 Actuator and energy management system with such actuators |
12/28/2011 | EP2400617A1 Implementing a substation automation load transfer function |
12/28/2011 | EP2400616A2 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 |
12/28/2011 | EP2400360A1 Automation device and method for energy optimisation |
12/28/2011 | EP2260573B1 Improved voltage and current control method applied to a control apparatus for a device for the production of electrical energy |
12/28/2011 | DE202011108033U1 Vorrichtung mit Energierückgewinnungssystem Device with energy recovery system |
12/28/2011 | CN202094806U Novel power transmission and transformation device |
12/28/2011 | CN202094687U Garbage power charging station |
12/28/2011 | CN202094658U 橇装式多功能充能站 Skid-mounted multi-function Charge Station |
12/28/2011 | CN202094657U 车载加气-充电站 Car aerated - Charging Station |
12/28/2011 | CN202094656U 橇装式电动车充电站 Skid-mounted electric car charging stations |
12/28/2011 | CN202094653U 橇装式加油-充电站 Skid-mounted refueling - Charging Station |
12/28/2011 | CN202094650U Microgrid control system and Microgrid-type wind and light generating system adopting same |
12/28/2011 | CN202094645U 一种多功能全自动并网装置 A versatile and automatic network device |
12/28/2011 | CN202094644U High-voltage static var generator grid connected structure |
12/28/2011 | CN202094643U Wind power energy storage power station |
12/28/2011 | CN202094642U Signal acquisition device based on dynamic scalable vector graphics (SVG) for reactive compensation |
12/28/2011 | CN202094641U Svg charging circuit |
12/28/2011 | CN202094640U Mounting structure of contactless switching switch |
12/28/2011 | CN202094639U Reactive power compensator for prefabricated substation |
12/28/2011 | CN202094638U Work supplement and filtering apparatus of short web of inversion and mixing type |
12/28/2011 | CN202094637U Module type reactive power compensation device for short webs of submerged arc furnaces |
12/28/2011 | CN202094636U Tryristor switch with balanced power capacitor potential |
12/28/2011 | CN202094635U Electricity saving control device for electric welding machine |
12/28/2011 | CN202094634U Dynamic reactive power compensation device |
12/28/2011 | CN202094633U Dynamic reactive power compensation device for seamless steel pipe piercing machine |
12/28/2011 | CN202094632U Hybrid electric power filter |
12/28/2011 | CN202094628U 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 |
12/28/2011 | CN202094584U Ice melting system for overhead contact line of electrified railway |
12/28/2011 | CN202092474U Mine heat furnace controller with low-pressure reactive compensation and electrode current control |
12/28/2011 | CN102301585A 具有lvrt能力的风力涡轮机 Having the ability to wind turbine lvrt |
12/28/2011 | CN102301584A 用于风力涡轮的电力系统频率惯性 For a wind turbine power system frequency inertia |
12/28/2011 | CN102301578A 带有功率控制的能量转换系统 Energy conversion system with power control |
12/28/2011 | CN102301557A 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 |
12/28/2011 | CN102301556A 风力涡轮机的自适应电压控制 Adaptive voltage control of the wind turbine |
12/28/2011 | CN102301555A 使用事件触发调试运行供电组 Use event trigger commissioning power group |
12/28/2011 | CN102301554A 使用计量器数据的分发系统分析 Metering data distribution system analysis |
12/28/2011 | CN102299677A 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 |
12/28/2011 | CN102299676A 一种调速同步电机机组 A synchronous motor speed control unit |
12/28/2011 | CN102299642A 电容变压器及其应用 Capacitive transformer and its application |
12/28/2011 | CN102299527A 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 |
12/28/2011 | CN102299526A 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 |
12/28/2011 | CN102299525A 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 |
12/28/2011 | CN102299524A 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 |
12/28/2011 | CN102299523A 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 |
12/28/2011 | CN102299522A 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 |
12/28/2011 | CN102299521A 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 |
12/28/2011 | CN102299520A 微电网无功功率补偿方法和系统 Microgrid reactive power compensation method and system |
12/28/2011 | CN102299519A 交流电容器投切开关电路 AC capacitor switching switch circuit |
12/28/2011 | CN102299518A 一种三相交流补偿式稳压器 A three-phase AC compensation regulator |
12/28/2011 | CN102299517A 工业用消谐滤波节能装置及其方法 Industrial energy efficiency harmonic elimination filter apparatus and method |
12/28/2011 | CN102299516A 模块化有源滤波器的功率模块 Modular power active filter module |
12/28/2011 | CN102299515A 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 |
12/28/2011 | CN102299514A 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 |
12/28/2011 | CN102299513A 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 |
12/28/2011 | CN101800428B 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 |
12/28/2011 | CN101640420B 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 |
12/28/2011 | CN101625389B 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 |
12/28/2011 | CN101510691B 一种线路电流同步过零处理方法 A circuit current synchronized approach zero |
12/28/2011 | CN101507079B 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 |
12/28/2011 | CN101304174B 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 |
12/27/2011 | US8084715 Method and means for heating and controlling the temperatures in a sauna |
12/25/2011 | CA2743673A1 Power generating system |
12/25/2011 | CA2708539A1 Convertible electrical distribution panel |
12/22/2011 | WO2011157974A1 Charging system for an electric vehicle |
12/22/2011 | WO2011157938A1 Method of managing an object by means of a management gateway using a telecommunications network |
12/22/2011 | WO2011157834A2 Power supply and control device for actuators, corresponding actuation assembly, and aircraft comprising such a device |
12/22/2011 | WO2011157567A1 Method to minimize input current harmonics of power systems such as esp power systems |
12/22/2011 | WO2011157307A1 A power network islanding |
12/22/2011 | WO2011157300A1 Converter for hvdc transmission and reactive power compensation |
12/22/2011 | WO2011070146A3 Method and apparatus for managing seawater desalination system and seawater desalination system |
12/22/2011 | WO2010130821A3 A wave energy conversion system |
12/22/2011 | WO2010130518A3 A wave energy conversion system |
12/22/2011 | US20110313588 Power saving system and method |
12/22/2011 | US20110310641 method of upgrading a plant for transmitting electric power and such a plant |
12/22/2011 | US20110309690 Centralized islanding protection for distributed renewable energy generators |
12/22/2011 | US20110309684 Apparatus and method for the anti-islanding of power conditioning system |
12/22/2011 | US20110309683 Electric power control system and electric power facility comprising the electric power control system |
12/22/2011 | US20110309145 Mobile device using short cycle power source |
12/22/2011 | US20110308177 Solar Energy Collection Systems and Methods |
12/22/2011 | DE102010024278A1 Stationäre Stromversorgungseinrichtung Stationary power supply device |
12/22/2011 | DE102010024138A1 Vorrichtung zur Netzspannungssymmetrisierung Apparatus for Netzspannungssymmetrisierung |
12/22/2011 | CA2802933A1 Converter for hvdc transmission and reactive power compensation |
12/22/2011 | CA2707052A1 Power supply gift box |
12/21/2011 | EP2398127A2 Power generating system |
12/21/2011 | EP2398125A2 Device and method for energy management |
12/21/2011 | EP2398124A1 Method to minimize input current harmonics of power systems such as ESP power systems |
12/21/2011 | EP2397926A2 A self-healing power grid and method thereof |
12/21/2011 | EP2397689A1 Method and system for controlling a power production entity |
12/21/2011 | EP2397688A1 Electric power control system and electric power facility comprising the electric power control system |
12/21/2011 | EP2396879A1 Power supply system |
12/21/2011 | EP2396866A2 Ac-connection of an off-shore wind-park to an on-shore electricity grid and booster transformer for providing such an ac-connection |
12/21/2011 | EP2396865A1 An electric correction unit |
12/21/2011 | EP2396762A1 Resource supply management system and method |
12/21/2011 | EP2396761A1 System and method of democratizing power to create a meta-exchange |
12/21/2011 | EP1665495B1 Method for operating a wind turbine during a disturbance in the grid |
12/21/2011 | EP1664961B1 Device for adjusting the impedance of a high voltage line supplying an alternating current |
12/21/2011 | CN202085125U 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 |