Patents for H02J 3 - Circuit arrangements for ac mains or ac distribution networks (38,663)
04/2010
04/07/2010CN101692575A Method for processing data for real-time load flow calculation in large electric systems
04/07/2010CN101692398A high-voltage booster transformer
04/06/2010US7692414 Regenerative static excitation system for superconducting rotor
04/06/2010US7692409 Generator controller
04/06/2010US7692336 Method for predicting a future voltage and/or current curve
04/06/2010US7692335 Method and apparatus for mechanical phase synchronization of multiple AC generators
04/06/2010US7692331 Electrical emergency source device located on an aircraft
04/06/2010US7692329 Current sharing for multiphase power conversion
04/01/2010WO2010036974A2 Adaptive generation and control of arbitrary electrical waveforms in a grid-tied power conversion system
04/01/2010WO2010035778A1 Transformer inrush current suppression device
04/01/2010WO2010034906A2 Electric actuator including two current-controlled voltage inverters powering an electric machine, and reconfigurable in the presence of a defect
04/01/2010WO2010034129A1 System, method, and computer readable medium for regulating demand for electricity
04/01/2010WO2010002780A3 Energy systems, energy devices, energy utilization methods, and energy transfer methods
04/01/2010US20100082172 Load forecasting analysis system for calculating customer baseline load
04/01/2010US20100079001 Outlet switch socket device
04/01/2010US20100079000 Power Feeding Control Apparatus and Charging System
04/01/2010US20100078995 Beam power with multipoint reception
04/01/2010US20100078992 Circuit device and method of current limit-based disconnect detection
04/01/2010DE102008048258A1 Windpark operating method for generation of electricity, involves determining electrical load of wind turbine of windpark, and adjusting transmission ratio depending on electrical load of wind turbine
04/01/2010CA2738654A1 Wireless energy transfer systems
04/01/2010CA2738653A1 Adaptive generation and control of arbitrary electrical waveforms in a grid-tied power conversion system
04/01/2010CA2738051A1 Electric actuator including two current-controlled voltage inverters powering an electric machine, and reconfigurable in the presence of a defect
04/01/2010CA2680959A1 Multiple phase power supply having current shared power factor correction
03/2010
03/31/2010EP2169800A2 Power generation system and method for storing electrical energy
03/31/2010EP1780860B1 System and method for controlling power flow of electric power generation system
03/31/2010CN201435842Y Filter circuit of electromagnetic oven
03/31/2010CN201435708Y Constant frequency and constant pressure generating set
03/31/2010CN201435690Y Three-phase inverter with four bridge legs for photovoltaic interconnected generation and photovoltaic interconnected generation system
03/31/2010CN201435611Y Automatic low-voltage reactive power compensation capacitor box
03/31/2010CN201435610Y Device for controlling power quality comprehensively
03/31/2010CN201435609Y Constant-volume adjustable reactive power compensation device
03/31/2010CN201435608Y High-voltage signal coupling filter
03/31/2010CN201435607Y Energy recovery device in situation applying frequency converter
03/31/2010CN201435606Y Energy actuating type electrical energy quality controlling means
03/31/2010CN201435605Y Power supply output controlling device
03/31/2010CN101689825A Method for operating a wind energy system in case of overvoltage in the grid
03/31/2010CN101689760A Inverter for feeding electrical energy into a power supply system
03/31/2010CN101689759A Transformation device for automatically adjusting voltage of three-phase power supply
03/31/2010CN101689061A Switching technique for efficient electrical power utilization
03/31/2010CN101688517A Multiple generator wind turbine and method of operation
03/31/2010CN101685970A Multipurpose solar energy power generating system
03/31/2010CN101685969A Control method of multipath non-bridge PFC circuits
03/31/2010CN101685968A Failure propagation method for evaluating reliability of distribution network
03/31/2010CN101685967A Direct current public electricity distributer containing information of voltage at zero
03/31/2010CN101685966A Method for comprehensively analyzing low-frequency oscillation and system thereof
03/31/2010CN101685965A Online tideway integrating method and system of large power grid
03/31/2010CN101685964A Online scheduling aid decision method and system based on large-scale parallel processing
03/31/2010CN101685481A Method and system for calculating on-line power transmission margin based on parallel algorithm
03/31/2010CN101685480A Parallel computing method for security and stability analysis of large power grid and computing platform
03/31/2010CN101685479A Power grid online comprehensive pre-warning method and system based on massively parallel processing
03/30/2010USRE41170 Voltage regulation of a utility power network
03/30/2010US7689323 Automatic generation control of a power distribution system
03/30/2010US7687937 Control of small distributed energy resources
03/30/2010US7687935 Electrical power control system
03/30/2010US7687885 Semiconductor device with reduced parasitic inductance
03/25/2010WO2010033038A1 Smart responsive electrical load
03/25/2010WO2010032954A2 Generator control system using peak voltage
03/25/2010WO2010032300A1 Utility interconnection inverter device
03/25/2010WO2010031690A2 Mobile electricity meter for the location-independent power intake of and/or for the location-independent power feed by a mobile storage and consumption unit
03/25/2010WO2010031687A1 System for the location-independent power intake of and/or for the location-independent power feed by a mobile storage and consumption unit
03/25/2010WO2010031650A1 Device and method for operating an electrical load
03/25/2010WO2010031626A1 Power supply arrangement for direct electrical heating of a pipeline system
03/25/2010US20100076825 Charge/discharge control apparatus
03/25/2010US20100076618 Electricity Market-Oriented DC-Segmentation Design and Optimal Scheduling for Electrical Power Transmission
03/25/2010US20100073838 Safety device and method for electric heating appliances
03/25/2010US20100072824 Modular multi-pulse transformer rectifier for use in asymmetric multi-level power converter
03/25/2010US20100072823 Device, System and Method for Directly Generating Alternating Current Electricity From Photovoltaic Cells
03/25/2010US20100072821 Semiconductor device
03/25/2010US20100072817 Grid responsive control device
03/25/2010US20100072815 Reception unit comprising a receiver coil for the contactless transfer of electric energy and method for the production thereof
03/25/2010DE102008047667A1 Leistungsregelung für einen Windpark Power control for a wind farm
03/25/2010DE102008045938A1 Method for controlling supply of electric power of wind turbine to electric alternating current network, involves adjusting current to zero until phase angle of current is adjusted to preset value based on changed supply voltage
03/25/2010CA2737647A1 Power supply arrangement for direct electrical heating of a pipeline system
03/24/2010EP2166638A2 Quasi-ac, photovoltaic module for unfolder photovoltaic inverter
03/24/2010EP2166637A1 Power supply arrangement for direct electrical heating of a pipeline system
03/24/2010EP2166636A2 Control method and unit of an electric system for supplying power/electric current to sockets for the passengers of an aircraft
03/24/2010EP2165403A1 Appliance and method for monitoring a phase line of a section of an electrical energy grid line
03/24/2010EP2165246A2 Method and system for managing electrical power supply outages on board an aircraft
03/24/2010CN201430709Y Special remote wireless control multiplex protection power-saving system for street lamp
03/24/2010CN201430576Y Filter with integrated harmonic and conduction suppression
03/24/2010CN201430568Y Dynamic stabilizer for sub-synchronous oscillation of generator set
03/24/2010CN201430567Y Control device for suppressing subsynchronous oscillation
03/24/2010CN201430449Y Grid-connected solar photovoltaic power station
03/24/2010CN201430448Y Intelligent reactive-load compensation device
03/24/2010CN201430447Y Reactive-load compensation distribution transform measure and control terminal
03/24/2010CN201430446Y Electricity utilization management terminal with function of power factor compensation
03/24/2010CN201430445Y Semiconductor mechanical integrated switch
03/24/2010CN201430444Y Compensation device
03/24/2010CN201430443Y Filter module
03/24/2010CN201430442Y Active power filter device
03/24/2010CN201430441Y Test box heating power supply
03/24/2010CN201430069Y Efficient and energy-saving transformer
03/24/2010CN201428194Y Green energy-saving environmental protection solar room
03/24/2010CN101682260A Device for feeding electric energy into a power grid and DC converter for such a device
03/24/2010CN101682195A Power system
03/24/2010CN101682194A Apparatus for feeding electrical energy into an energy supply system and DC voltage transformer for such an apparatus
03/24/2010CN101682193A Device for high-voltage direct current transmission
03/24/2010CN101682192A Method and system to influence the power generation of an adjustable speed generator
03/24/2010CN101682191A System and method for control of a TCSC in an electricity transport network, specifically using a Lyapunov approach
03/24/2010CN101682190A Active filter having multilevel topology