Patents for H02J 3 - Circuit arrangements for ac mains or ac distribution networks (38,663)
10/2010
10/21/2010WO2010119120A2 Method and device for connecting a photovoltaic system to an alternating-current network
10/21/2010WO2010119057A1 A method for supplying outside energy to an onboard electrical power network of a ship, a ship with such an outside energy supply
10/21/2010WO2010118772A1 A converter structure and a modular voltage source converter
10/21/2010WO2010091743A3 Device and method for charging electric vessels
10/21/2010WO2010086031A3 Power system frequency inertia for wind turbines
10/21/2010WO2010018194A3 Power plant system for selective operation in power networks at various network frequencies
10/21/2010US20100264750 Harmonic filter with integrated power factor correction
10/21/2010US20100264744 Solar Inverter Having a Plurality of Individual Inverters Connected In Parallel And Having a Primary Electronic Control Unit
10/21/2010US20100264739 Modular adaptive power matrix
10/21/2010US20100264736 Power supply circuits
10/21/2010US20100264734 Energy-saving power socket with slave power supply
10/21/2010US20100263709 Systems for cost-effective concentration and utilization of solar energy
10/21/2010CA2758634A1 Method of and apparatus for connecting a photovoltaic device to an ac power grid
10/20/2010EP2242160A1 Method and device for connecting a photovoltaic assembly to an alternating current network
10/20/2010EP2242159A2 Wind park, method of correcting voltage imbalances, and wind turbine
10/20/2010EP2240992A2 Electric power supply apparatus for use in vessels
10/20/2010EP2017936B1 Wind power system and method of operating it
10/20/2010CN201611786U 光伏并网逆变器的并网电流直流分量控制装置 PV grid-connected inverter and the DC component of grid current control device
10/20/2010CN201611785U 在线动态电能质量综合控制装置 Online dynamic power quality integrated control device
10/20/2010CN201611784U 10kV电力线路无功补偿装置 10kV power line reactive power compensation device
10/20/2010CN201611783U 矿热炉二阶型滤波补偿装置接入点的固定装置 Fixtures submerged arc second-order filter compensation device access point
10/20/2010CN201611782U 矿热炉二阶型滤波补偿装置及短网系统 Submerged arc furnace second-order filter compensation device and short net system
10/20/2010CN201611781U 多路阶梯式智能补偿的智能电容器 Multiple stepwise smart intelligent compensation capacitor
10/20/2010CN201611780U 一种功率自动校正装置及系统 A power automatic correction device and system
10/20/2010CN201611779U 变频电机自带散热风机的供电结构 Inverter motor power structure comes with cooling fan
10/20/2010CN201611604U 干式空心串联调容电抗器 Dry Hollow transfer capacity reactors in series
10/20/2010CN101867344A Ceaseless intelligent power saving device
10/20/2010CN101867211A Battery charging apparatus and method of operating same
10/20/2010CN101867197A Light direct current supply experiment system of offshore grid-connected wind farm
10/20/2010CN101867196A Method for uniformly controlling distribution type grid-connected power generation and active power filter
10/20/2010CN101867195A Energy-saving method and device of power network
10/20/2010CN101867194A Wind park, method of correcting voltage imbalances, and wind turbine
10/20/2010CN101867193A Superconducting controllable series capacitance compensator
10/20/2010CN101867192A Reactive compensation control simulation test system
10/20/2010CN101867191A Method for adaptively regulating and controlling reference voltage value
10/20/2010CN101867190A Filtering control system
10/20/2010CN101867189A Modularized three-phase three-wire active power filter
10/20/2010CN101867188A Modularized three-phase four-wire active power filter
10/20/2010CN101867187A Special modular converter for three-phase three-wire active power filter
10/20/2010CN101867186A Special modular converter for three-phase four-wire active power filter
10/20/2010CN101867185A System and method for automatically maintaining PI measuring point of power system
10/20/2010CN101867184A Electrical energy supplying method, power network and power network management system
10/20/2010CN101867183A Method for calculating interactive-influenced electricity transmission limit with multiple sections and stable transmission level
10/20/2010CN101864755A Small-sized water turbine power station
10/20/2010CN101863231A Automatic vehicle including battery charger
10/20/2010CN101330214B TCR type SVC voltage control method for transformer substation
10/19/2010US7816812 Electronic device, and system for DC voltage conversion
10/19/2010US7816811 Portable power source to provide power to an electronic device via an interface
10/19/2010US7816810 Automatic sensing power systems and methods
10/19/2010US7816809 Automatic sensing power systems and methods
10/19/2010US7816808 Automatic sensing power systems and methods
10/19/2010US7816807 Automatic sensing power systems and methods
10/19/2010US7816803 Power line control system
10/14/2010WO2010117082A1 Power device and power control system
10/14/2010WO2010116840A1 Induction motor control device and induction motor group control system
10/14/2010WO2010115471A1 An arrangement for exchanging power
10/14/2010WO2010115470A1 An arrangement for exchanging power
10/14/2010WO2010115453A1 Dc voltage compensation in a multi-terminal hvdc power transmission network
10/14/2010WO2010115452A1 Power flow control in a meshed hvdc power transmission network
10/14/2010WO2010115450A1 Method for adaptation of switching frequency in a chain-linked converter
10/14/2010WO2010115224A2 Energy supply in an electric network
10/14/2010WO2010092158A3 Ac-connection of an off-shore wind-park to an on-shore electricity grid and booster transformer for such an ac-connection
10/14/2010WO2010091443A3 Dc-ac converter for a photovoltaic system comprising a string monitoring assembly and a method for monitoring the strings
10/14/2010WO2010086239A3 Method for balancing the intermediate circuit voltages in a self-guided, multi-level blind current compensator and self-guided, multi-level blind current compensator
10/14/2010WO2010049215A3 Energy generation device for the mobile supplying of a vehicle with electric energy
10/14/2010US20100262311 Process for managing and curtailing power demand of appliances and components thereof, and system using such process
10/14/2010US20100259243 Power saving system for household electric appliance
10/14/2010US20100259242 Method and system for monitoring temperatue of a power distribution circuit
10/14/2010US20100259196 Low Current Thyristor-Based Dimming
10/14/2010DE102009018126A1 Energieversorgungssystem und Betriebsverfahren Energy supply system and method of operation
10/14/2010DE102009015603A1 Landanschluss für Schiffe mit einem Gelenkkran Shore supply vessels with an articulated crane
10/14/2010DE102008037449B4 Windenergieanlage Wind turbine
10/14/2010CA2757750A1 An arrangement for exchanging power
10/14/2010CA2757749A1 An arrangement for exchanging power
10/14/2010CA2757720A1 Dc voltage compensation in a multi-terminal hvdc power transmission network
10/14/2010CA2757353A1 Energy supply to an electric grid
10/14/2010CA2698401A1 Operation and construction of electric power systems using facility models
10/13/2010EP2238665A2 Method for operating a wind turbine
10/13/2010EP2238522A1 Distributed solar power plant and a method of its connection to the existing power grid
10/13/2010CN201608682U 同步发电机数字式调压器 Synchronous generator digital voltage regulator
10/13/2010CN201608660U 高频隔离型并网逆变器 High Frequency Isolated grid inverter
10/13/2010CN201608555U 一种供电电源的自动切换电路 Automatic switching circuit of a power supply
10/13/2010CN201608543U 一种光伏供电系统 A photovoltaic power supply system
10/13/2010CN201608542U 发电机组自带并网控制系统 Generators and network control system comes
10/13/2010CN201608541U 基于以太网的太阳能光伏智能电站 Solar photovoltaic power plant based on intelligent Ethernet
10/13/2010CN201608540U 大功率光伏并网逆变器系统 High-power PV grid-connected inverter system
10/13/2010CN201608539U 无源无损箝位单相高增益变换器 Passive lossless clamp single-phase high-gain inverter
10/13/2010CN201608538U 一种配电站经济运行方式下备用变压器自动投切装置 Under an alternate substation transformer economic operation automatic switching device
10/13/2010CN201608537U 多级大范围全容量有载调压动态无功补偿装置 Multi-level large-scale full-capacity load tap dynamic reactive power compensation device
10/13/2010CN201608536U 一种新型分相投切功率因素控制器 A new sub-congenial cut power factor controller
10/13/2010CN201608535U 智能无功功率自动补偿控制器 Intelligent reactive power automatic compensation controller
10/13/2010CN201608534U 电气化铁道微机控制调压式无功自动补偿装置 Electrified railway regulator type microcomputer control automatic reactive compensation devices
10/13/2010CN201608533U 一种应用于电网的混合型动态无功补偿系统 Applied to hybrid dynamic reactive power compensation system grid
10/13/2010CN201608532U 有源电力滤波器系统 Active Power Filter System
10/13/2010CN201608531U 用于机动式载体的超宽带电源滤波器 Ultra-wideband power filters for self-propelled carrier
10/13/2010CN201608530U 一种潜油电泵井下测试装置上的滤波系统 Filtering systems on a downhole electric submersible pump test device
10/13/2010CN201608529U 电压型有源电力滤波器及有源无功发生器的预充电路 Precharge circuit voltage of APF and active VAR Generator
10/13/2010CN201608528U 集装箱式柴油动力移动供电站系统 Containerized diesel-powered mobile power station system
10/13/2010CN201606718U 电梯井道荧光灯照明装置 Elevator hoistway fluorescent lighting devices
10/13/2010CN201606193U 风力涡轮机 Wind turbine