Patents for H02J 3 - Circuit arrangements for ac mains or ac distribution networks (38,663)
04/2012
04/04/2012EP2437372A2 Smart microgrid
04/04/2012EP2437371A1 Connection socket, solar panel, use and method for generating a pre-defined current
04/04/2012EP2437370A2 Goal-based load management
04/04/2012EP2437369A2 System and method for phase balancing in a power distribution system
04/04/2012EP2437368A2 Electric device, power management system including the electric device, and method for controlling the same
04/04/2012EP2436095A2 Two global precise times for synchronization
04/04/2012EP2436094A1 Apparatus and method for managing and conditioning photovoltaic power harvesting systems
04/04/2012EP2436093A1 Energy storage system for balancing load of power grid
04/04/2012EP2436092A2 Device for compensating harmonics
04/04/2012EP2436081A2 Control system for a flow cell battery
04/04/2012EP2243208B1 Pv sub-generator junction box, pv generator junction box, and pv inverter for a pv system, and pv system
04/04/2012EP1831981B8 Power control of a wind farm and method therefor
04/04/2012CN202183751U 一种微机双通道三合一控制屏 Dual triple Microcomputer control panel
04/04/2012CN202183730U 无源串联调谐滤波装置 Passive series tuned filter device
04/04/2012CN202183607U 微功耗清洁能源存贮系统 Micropower clean energy storage system
04/04/2012CN202183606U Regional power grid increment type multi-objective layered dynamic reactive power control system
04/04/2012CN202183605U Reactive compensation controller
04/04/2012CN202183604U Bracket structure of low voltage reactive compensation cabinet
04/04/2012CN202183603U Low voltage automatic continuous adjustable filtering reactive power compensator
04/04/2012CN202183602U 一种无源型电力滤波装置 A Passive Power Filter
04/04/2012CN202183601U Differentiation-compensated electric energy quality treatment device for electrified railway
04/04/2012CN102405589A Electric circuit for converting direct current into alternating current
04/04/2012CN102405575A Controlling a high-voltage direct-current (hvdc) link
04/04/2012CN102405574A Energy generating installation, especially wind power installation
04/04/2012CN102405573A Electrical energy generating installation driven at variable rotational speeds, with a constant output frequency, especially a wind power installation
04/04/2012CN102405572A 以可变转速驱动的输出振荡频率恒定的发电装置,尤其是风力发电装置 In the variable speed drive output constant oscillation frequency generating device, in particular a wind power generation device
04/04/2012CN102404926A Energy-saving electronic ballast of high voltage sodium lamp
04/04/2012CN102403957A Harmonic-free frequency conversion speed adjusting device
04/04/2012CN102403922A DC/AC grid connected inverter circuit and power factor adjusting method
04/04/2012CN102403920A Three-level half-bridge photovoltaic grid connected inverter
04/04/2012CN102403753A 储能系统 Energy Storage System
04/04/2012CN102403737A Method and system for controlling wind-solar hybrid power generation and energy storage
04/04/2012CN102403736A Method and system for switching microgrid from island mode to grid connected mode
04/04/2012CN102403735A 一种用于微网在孤岛与并网模式之间切换的方法及系统 A method for micro-grid and grid between the islands and the system mode switch
04/04/2012CN102403734A Method and device for embedded photovoltaic grid connected inversion based on multi-processor
04/04/2012CN102403733A Photovoltaic grid connected inverter based on double closed loop control and MPPT (Maximum Power Point Tracking)
04/04/2012CN102403732A Virtual inertia control method for double-fed wind generating set
04/04/2012CN102403731A 微型燃气轮机发电系统的模拟方法 Simulation microturbine generation system
04/04/2012CN102403730A 不间断电源型分布式并网发电系统控制方法 Uninterruptible power supply and power generation systems Distributed control method
04/04/2012CN102403729A 转换器控制系统 Converter control system
04/04/2012CN102403728A Power oscillation suppressor based on controllable transformer and suppressing method of power oscillation suppressor
04/04/2012CN102403727A Intelligent logic control device for inactive power compensation of power grid
04/04/2012CN102403726A Thyristor switched reactive compensation and filter device
04/04/2012CN102403725A Automatic compensation device for reactive power compensation device of transformer station
04/04/2012CN102403724A Symmetrical obtaining method for nodal voltage sensitivity in alternating-direct current parallel-serial power grid
04/04/2012CN102403723A Three-level four-bridge arm active filter device
04/04/2012CN102403722A Control method for three-level four-bridge-arm active filter
04/04/2012CN102403721A 一种基于暂态功角稳定裕度的超实时重合时序整定方法 Ultra-based real-time timing coincides transient angle stability margin tuning method
04/04/2012CN102403720A 一种基于暂态电压安全裕度的超实时重合时序整定方法 An ultra-based real-time coincides with the timing of transient voltage safety margin tuning method
04/04/2012CN102403719A 非匹配不确定电力系统的滑模负荷频率控制器设计方法 Sliding unmatched uncertainties power system load frequency controller design method
04/04/2012CN102403718A Generating method for power grid topological relationship based on Arcgis
04/04/2012CN102403717A Method for evaluating severity of power system fault
04/04/2012CN102403716A 一种多馈入交直流电网动态等值的方法 A multi-infeed AC and DC power dynamic equivalence method
04/04/2012CN102403715A 用于电力系统的数据匹配方法 Data matching method for power system
04/04/2012CN102400855A Power adjusting method and device in wind farm
04/04/2012CN101517854B 电压源换流器站 Voltage source converter station
04/03/2012US8148850 Device for balancing the power supplied by power generators
04/03/2012US8148848 Solid state power controller (SSPC) used as bus tie breaker in electrical power distribution systems
04/03/2012US8148844 Power supply system including alternative sources
04/03/2012CA2621700C Cogeneration system
03/2012
03/29/2012WO2012039055A1 Evaluation apparatus, evaluation method, and evaluation program
03/29/2012WO2012038194A1 Intelligent electronic interface for a thermal energy storage module, and methods for stored thermal energy and thermal energy storage capacity trading
03/29/2012WO2012038113A2 Electrical installation
03/29/2012WO2012038100A1 Subsea dc transmission system
03/29/2012WO2012037967A1 An apparatus for controlling the electric power transmission in a hvdc power transmission system
03/29/2012WO2012037966A1 An apparatus for controlling the electric power transmission in a hvdc power transmission system
03/29/2012WO2012037965A1 An apparatus for controlling the electric power transmission in a hvdc power transmission system
03/29/2012WO2012037964A1 Series - connected dc / dc converter for controlling the power flow in a hvdc power transmission system
03/29/2012WO2012037957A1 Dc-dc converter based load flow control in hvdc grids
03/29/2012WO2012037768A1 Extra/ultra high voltage series capacitance compensating device with current transfer branch
03/29/2012WO2011160643A3 A wind turbine and a method of operating a wind turbine
03/29/2012WO2011147852A3 Reactive power management
03/29/2012WO2011134709A3 Power supply module
03/29/2012US20120074788 System and method for providing redundant power to a device
03/29/2012US20120074783 Passive impedance matching
03/29/2012US20120074782 System and method for load control
03/29/2012US20120074781 Electronic apparatus
03/29/2012US20120074777 Electric power system
03/29/2012US20120074776 Electronic Switch Control System and Electronic Switch Drive Method
03/29/2012DE102011106071A1 Elektrisches Leitungssystem Electrical conduction system
03/29/2012DE102010046744A1 Method for supplying electrical power into direct current (DC) input end of stand-alone inverter, involves fully supplying electrical power to alternating current (AC) load, under condition of lack of energy supplied by energy source
03/29/2012DE102010041495A1 Schutzschaltgerät mit digitaler Datenverarbeitungseinrichtung Circuit breaker with digital data processing device
03/29/2012CA2809442A1 Intelligent electronic interface for a thermal energy storage module, and methods for stored thermal energy and thermal energy storage capacity trading
03/29/2012CA2752362A1 System and method for phase balancing in a power distribution system
03/28/2012EP2434632A2 Wind energy system
03/28/2012EP2434631A1 Protection circuit for a wind-power generator
03/28/2012EP2434607A2 Wind energy system
03/28/2012EP2434606A1 Electrical assembly for an electric arc furnace
03/28/2012EP2434605A1 Load management system and load management method for electricity users
03/28/2012EP2434148A2 Wind energy system
03/28/2012EP2434147A1 Wind turbine generator and control method thereof
03/28/2012CN202178719U Phase-shift soft-switching high frequency isolation photovoltaic grid-connected inverter
03/28/2012CN202178716U Solar energy combined inverter
03/28/2012CN202178583U Reactive power control system of wind power station
03/28/2012CN202178582U 发电系统 Power generation systems
03/28/2012CN202178581U 一种模块化太阳能并网发电系统 A modular solar power generation system
03/28/2012CN202178580U Power factor control device for water power/heat power generating station
03/28/2012CN202178579U Automatic low-voltage reactive compensator
03/28/2012CN202178578U Low-voltage reactive power controller
03/28/2012CN202178577U GCK dynamic reactive power compensating device of external radiator