Patents
Sitemap › H02 - Generation, conversion, or distribution of electric power › H02J - Circuit arrangements or systems for supplying or distributing electric power; Systems for storing electric energy › H02J 3 - Circuit arrangements for ac mains or ac distribution networks
Patents for H02J 3 - Circuit arrangements for ac mains or ac distribution networks (38,663)
04/2012
04/25/2012CN102427228A Wind power generation system reliability estimating method considering voltage drop of power grid
04/25/2012CN102427227A 考虑零注入约束的修正快速解耦电力系统状态估计方法 Consider the rapid correction of zero injection constraints decoupling the power system state estimation method
04/25/2012CN102427226A Optimization method for safety and stability control measure of multi-direct-current power system
04/25/2012CN101944742B 改进的潮流可行解恢复方法 Improved recovery methods trend feasible solution
04/25/2012CN101854061B Circulating-current restraining method for three-phase modular multilevel convertor
04/25/2012CN101807821B 电梯节能系统 Elevator Energy Saving System
04/25/2012CN101645601B Discrimination method of delay dependent robust stability of power system
04/25/2012CN101425685B 用于链接备用供电方式的内桥接线及保护实现方法 Internal bridge connection is used to link the standby power supply and the protection of realization
04/25/2012CN101326098B Hybrid propulsion system for a watercraft
04/24/2012US8164929 Controlled contactless power transmission
04/24/2012US8164221 Controlled series compensator and method
04/24/2012US8164217 System and method for management of a DC and AC bus microgrid
04/19/2012WO2012051460A2 Systems and methods for automated availability and/or outage management
04/19/2012WO2012051091A1 Arrangement for and method of dynamically managing electrical power between an electrical power source and an electrical load
04/19/2012WO2012051046A2 Photovoltaic inverter with control for performing low voltage ride through
04/19/2012WO2012051020A1 Cycling load controller having a learn mode for automatically determining when the load is turned on and off
04/19/2012WO2012050635A1 System and method to manage power usage
04/19/2012WO2012050501A1 Device and method for limiting an electrical current
04/19/2012WO2012050032A1 Power supply system
04/19/2012WO2012049911A1 Charge/discharge circuit
04/19/2012WO2012049785A1 Power generation simulator, power generation simulation method, and program
04/19/2012WO2012049151A2 Local network station
04/19/2012WO2012048880A2 Energy management system, method for distributing energy in an energy management system, terminal for an energy management system, and central device for an energy management system
04/19/2012WO2012048787A2 Load-management system and load management method for electrical loads
04/19/2012WO2012048754A1 Arrangement for transmitting power between a dc power line and an ac power line
04/19/2012WO2012048752A1 Method for communication in a hvdc power transmission system, controller unit and computer program product
04/19/2012WO2012048746A1 Method and device for producing a state signal
04/19/2012WO2012048743A1 Current-transmitting device for a wind power plant
04/19/2012WO2012048736A1 Controlling an electrical energy supply network
04/19/2012WO2012048403A1 Reactive current transformer
04/19/2012WO2011154319A3 Wind turbine and method for operating a wind turbine
04/19/2012WO2011141259A3 Module assembly for the application-specific construction of power factor correction systems, filter systems, and absorption circuit systems
04/19/2012WO2011124170A3 Communication power supply and control method thereof
04/19/2012US20120095610 Smart nema outlets and associated networks
04/19/2012US20120095608 Demand prediction apparatus, and computer readable, non-transitory storage medium
04/19/2012US20120095601 Dynamic Keypad for Controlling Energy-Savings Modes of a Load Control System
04/19/2012US20120092906 Arrangement for exchanging power
04/19/2012US20120092904 Coordinated control of multi-terminal hvdc systems
04/19/2012US20120091913 Dynamic power control for a two wire process instrument
04/19/2012US20120091805 Method for operating an energy generator with inverter operation depending on a mains voltage and circuit layout
04/19/2012US20120091804 Load Control System Having an Energy Savings Mode
04/19/2012US20120091798 Electrical power supplying device having a central power-hub assembly supplying electrical power to power plugs, adaptors and modules while concealed from view and managing excess power cord during power supplying operations
04/19/2012DE102011113110A1 Leistungsübertragung zwischen unabhängigen Leistungsanschlüssen unter Verwendung eines einzigen Transformators Power transmission between independent power terminals using a single transformer
04/19/2012DE102010048866A1 Electronic three-phase current supply transformer for use in industries for power supply, has control electronic circuit, where electronic flux converter enables energy transmission from three-phase network at three-phase voltage
04/19/2012DE102010042502A1 Ortsnetzstation Local substation
04/19/2012DE102010013623A9 Verfahren zum Übertragen und Speichern von Energie A method for transmitting and storing energy
04/19/2012CA2814710A1 Systems and methods for automated availability and/or outage management
04/19/2012CA2814172A1 Centralized power conditioning
04/19/2012CA2813415A1 Cycling load controller having a learn mode for automatically determining when the load is turned on and off
04/19/2012CA2811711A1 System and method to manage power usage
04/19/2012CA2806598A1 Arrangement for and method of dynamically managing electrical power between an electrical power source and an electrical load
04/18/2012EP2442424A1 Utility interconnection system
04/18/2012EP2442423A2 Systems and methods for controlling an inertia of a synchronous condenser
04/18/2012EP2442422A2 Methods, systems, and apparatus for shedding loads from an electrical grid
04/18/2012EP2442421A2 Power management system and method for controlling the same
04/18/2012EP2441148A1 Improved control of a power transmission system
04/18/2012EP2227856B1 Apparatus and method for controlling the reactive power from a cluster of wind turbines connected to a utility grid
04/18/2012CN202197110U 一种多功能配电变压器经济运行系统 A multifunctional distribution transformer economic operation of the system
04/18/2012CN202197109U Intelligent capacitor capable of automatically switching
04/18/2012CN202197108U Intelligent integrated reactive compensation device
04/18/2012CN202197107U Networking power compensation control system
04/18/2012CN202197106U Electric power circuit optimizing compensating system
04/18/2012CN202197105U Peak load shifting control system
04/18/2012CN202197104U Power unit of active power filter
04/18/2012CN202197103U Active power load balancing device
04/18/2012CN202197014U Static compensation type control cabinet of oil-pumping machine
04/18/2012CN202196654U Magnetic-control reactor with adjustable adjusting point
04/18/2012CN202196467U 水资源测控终端机的防盗水装置 Water monitoring and control of water theft device terminals
04/18/2012CN1619941B Generator control system, and generating apparatus control method
04/18/2012CN102422501A 修改电压转换设备的配置的方法和用于电压转换设备的电压转换单元 The method of modifying the configuration of the voltage converting device and the voltage conversion unit is used for voltage conversion device
04/18/2012CN102422311A Demand-prediction device, program, and recording medium
04/18/2012CN102420532A Wind energy variable-frequency air conditioning system
04/18/2012CN102420531A Wind energy and optical energy complementary type variable-frequency air conditioning system
04/18/2012CN102420438A Photovoltaic microgrid system with function of storing energy
04/18/2012CN102420437A Multi-filtering single-phase photovoltaic grid-connected power generating system
04/18/2012CN102420436A Photovoltaic grid-connected inverter double closed loop control algorithm
04/18/2012CN102420435A Adaptive island detection method for grid-connected photovoltaic power generation system
04/18/2012CN102420434A Method for analyzing sub-synchronous resonance of alternating-current system
04/18/2012CN102420433A Reactive power compensation system based on magnetic switch
04/18/2012CN102420432A Practical layering and zoning reactive power optimization method on basis of power grid real time data
04/18/2012CN102420431A Low-voltage phase control switch for mechanically switching capacitor
04/18/2012CN102420430A Voltage and damp coordinated control method for dynamic reactive power compensation device
04/18/2012CN102420429A Low voltage ride through device
04/18/2012CN102420428A Method and system for managing microgrid energy
04/18/2012CN102420427A 一种考虑外网等值的区域电网电压稳定裕度计算方法 An extranet regional grid voltage stability margin calculation methods considered equivalent
04/18/2012CN102420426A Power grid partial loss reduction method based on injection power sensitivity
04/18/2012CN102011678B 一种波浪发电方法以及实施此方法的系统 A wave power generating method and a system implementation of this method
04/18/2012CN101877568B 一种发电机组次同步振荡动态稳定装置及稳定方法 Sub-synchronous oscillation of an electric generator set and stable method for dynamic stabilization device
04/18/2012CN101860320B Electric automobile motor control circuit with charging function
04/18/2012CN101719677B 一种零逆流共网控制装置的控制单元 A net total of zero countercurrent control unit for controlling device
04/18/2012CN101697423B 光伏并网逆变系统中的一种非主动扰动最大功率跟踪方法 PV grid system in a non-active disturbance maximum power point tracking method
04/18/2012CN101615847B 基于电力电子变压器的自动电压调节器 Based on power electronic transformer automatic voltage regulator
04/18/2012CN101540483B 低压配电系统模块化配置方法及装置 Low-voltage distribution system modular configuration method and apparatus
04/17/2012US8159086 Methods and systems for no-break power transfer converter
04/12/2012WO2012048012A2 High voltage energy harvesting and conversion renewable energy utility size electric power systems and visual monitoring and control systems for said systems
04/12/2012WO2012047898A2 Dynamic control of small-scale electrical loads for matching variations in electric utility supply
04/12/2012WO2012047888A2 Dynamic thermostatic control of small-scale electrical loads for matching variations in electric utility supply
04/12/2012WO2012047576A2 Power allotment distribution in a data center
04/12/2012WO2012047326A2 Thermal energy storage apparatus, controllers and thermal energy storage control methods
04/12/2012WO2012046832A1 Power supply system
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