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)
11/2011
11/06/2011	CA2739080A1 Wind turbine with status monitoring system
11/03/2011	WO2011136204A1 Power grid control system, and power grid control method
11/03/2011	WO2011135891A1 Electricity control system and method
11/03/2011	WO2011135822A1 Voltage control device, voltage control method, and voltage control program
11/03/2011	WO2011135201A1 Photovoltaic installation and process enabling an electric power equal to a predetermined value to be delivered
11/03/2011	WO2011135108A1 Resonant direct-current electrical transmission module with high-frequency transformer
11/03/2011	WO2011134861A1 Dispatch controller for a distributed electrical power system
11/03/2011	WO2011134851A1 Protection of power lines
11/03/2011	WO2011134521A1 Converter
11/03/2011	WO2011134058A1 Maximum power point tracking for a power generator
11/03/2011	WO2011134057A1 Power converter for a power generator
11/03/2011	WO2011102927A3 Controlling virtual power circuits
11/03/2011	WO2011100968A3 A method of operating a maximum power point tracker
11/03/2011	WO2011029700A3 Method for controlling current converters and assembly for performing said method
11/03/2011	US20110270459 Power consumption management system, and power consumption manager, power consumption management method, power supply manager, and power supply management method, which are used for the power consumption management system
11/03/2011	US20110267854 Power converter with dual ring network control
11/03/2011	US20110266889 Cost effective energy saving device
11/03/2011	US20110266871 Power Interchange system for interchanging electric energy between a battery and an electric grid, method for interchanging electric energy between a battery and an electric grid and application of the power interchange system
11/03/2011	US20110266870 Master/slave power strip with delay mechanism
11/03/2011	US20110266864 Aircraft galley systems and methods for managing electric power for aircraft galley systems
11/03/2011	CA2796985A1 Power converter for a power generator
11/03/2011	CA2738567A1 Power interchange system for interchanging electric energy between a battery and an electric grid, method for interchanging electric energy between a battery and an electric grid and application of the power interchange system
11/02/2011	EP2383864A2 Power consumption management system, and power consumption manager, power consumption management method, power supply manager, and power supply management method, which are used for the power consumption management system
11/02/2011	EP2383857A2 Method and system for managing power quality and efficiency
11/02/2011	EP2382699A1 Controlling a high-voltage direct-current (hvdc) link
11/02/2011	EP2151034B1 Regulation system
11/02/2011	EP2013956B1 Regenerative gate drive circuit for a power mosfet
11/02/2011	CN202026516U Electronic ballast input filtering loop
11/02/2011	CN202026202U 3.6MW permanent-magnet direct-drive aerogenerator of offshore wind power plant
11/02/2011	CN202026098U Grid connected control system of screw expanding generating set
11/02/2011	CN202026097U Low voltage ride through control device of wind generating set
11/02/2011	CN202026096U 太阳光发电系统 Solar power system
11/02/2011	CN202026095U Digital-analog mixing emulational test platform used for high voltage direct current transmission engineering
11/02/2011	CN202026094U Three-phase balance power supply energy-saving control management system
11/02/2011	CN202026093U Intelligent power-saving protection system
11/02/2011	CN202026092U Monitoring system and treatment system of systematicness of electric distribution network harmonic waves
11/02/2011	CN202026091U Nonresonant zero-sequence filtering device based on magnetic flux compensation
11/02/2011	CN202026090U Active filter, power network current harmonics filtering device and frequency converter system
11/02/2011	CN202026089U Automatic control device for power saver
11/02/2011	CN202026088U Magneto iron core assembly
11/02/2011	CN202025627U Shunt reactor capable of multi-capacity outputting
11/02/2011	CN202023630U Centralized control system of diesel power station based on AGC (Automatic Gain Control)-3 control modules
11/02/2011	CN102231570A Control protection system and method of flexible AC transmission device
11/02/2011	CN102231569A Control protection system and method for metal oxide varistor (MOV) branch circuit
11/02/2011	CN102231537A Storage battery control circuit for photovoltaic generation system
11/02/2011	CN102231534A Two-stage single-phase photovoltaic grid-connected system and control method thereof adopting DC side voltage sensor-free control strategy
11/02/2011	CN102231533A Parallel grid-connected inverter system and switch control method
11/02/2011	CN102231532A Liquid flow battery energy storage paralleling apparatus and method
11/02/2011	CN102231531A Wind electric field electrical network voltage disturbance simulation generating device
11/02/2011	CN102231530A Transformer automatic control apparatus
11/02/2011	CN102231529A Method for controlling switchover-free grid connection of double-fed wind driven generator
11/02/2011	CN102231528A Power supply and distribution system for electric vehicle centralized charging station
11/02/2011	CN102231527A Control method for enhancing asymmetrical fault ride-through capability of wind power system
11/02/2011	CN102231526A Distribution network voltage low-frequency oscillation suppression method
11/02/2011	CN102231525A Voltage quality control (VQC) system based on static var generator(SVG) and method thereof
11/02/2011	CN102231524A Fully-controlled-converter-based active power filtering method
11/02/2011	CN102231523A Master-slave control system and method used for parallel operation of APF/SVG
11/02/2011	CN102231522A Power flow controller with failure current limiting function
11/02/2011	CN102231521A Power grid operation state identification method in distribution network self-healing control
11/02/2011	CN102231520A Hybrid DC (direct current) electric power transmission system
11/02/2011	CN102231144A Method for predicting theoretical line loss of power distribution network based on Boosting algorithm
11/02/2011	CN101741022B PLC-based distribution cabinet of middle/small-size wind-solar hybrid generation system
11/02/2011	CN101577433B Method for inquiring heavy load of ship power station power management
11/01/2011	US8050803 Power feeding system, electrical apparatus, power feeding apparatus, and computer readable storage medium
11/01/2011	US8049471 System, method and apparatus to automatically detect a type of a variable output DC power source
11/01/2011	US8049369 Power inverter controller and method
11/01/2011	US8049366 DC power system for household appliances
11/01/2011	US8049363 Motor drive circuit
11/01/2011	US8049361 RF adapter for field device with loop current bypass
11/01/2011	CA2329894C Zero threshold surge suppressor
10/2011
10/27/2011	WO2011133252A2 Current balancing multiphase power converters, controllers and mehtods
10/27/2011	WO2011133147A1 Method and apparatus for wireless transmission and reception of electric power
10/27/2011	WO2011132572A1 Power control system and power control method
10/27/2011	WO2011131655A2 Electricity generating system and method for operation of a system such as this
10/27/2011	WO2011131631A1 Energy network and control thereof
10/27/2011	WO2011131413A2 Apparatus and method for stabilizing an electrical power import
10/27/2011	WO2011131209A1 Device and method for storing electrical energy
10/27/2011	WO2011092265A3 Power flow measurement and management
10/27/2011	WO2010033038A8 Smart responsive electrical load
10/27/2011	US20110260656 Load drive system, motor drive system, and vehicle control system
10/27/2011	US20110260536 Efficient Power Conversion for Ultra Low Voltage Micro Scale Energy Transducers
10/27/2011	US20110260534 SSPC for AC Power Distribution
10/27/2011	DE102010032822A1 Stromerzeugungssystem und Verfahren zum Betreiben eines solchen Power generation system and method of operating such a
10/26/2011	EP2381555A2 Method and apparatus for reduction of harmonics in a power supply
10/26/2011	EP2381554A1 Wind-driven electricity generation system of type having storage battery, and device for controlling charge and discharge of storage battery
10/26/2011	EP2381094A1 Energy network and control thereof
10/26/2011	EP2380255A1 A method of upgrading a plant for transmitting electric power and such a plant
10/26/2011	EP2380071A2 Electrical system for a computer cart
10/26/2011	EP2379880A1 Method and circuit arrangement for supplying a multiphase electrical network
10/26/2011	EP1897199B1 Managing congestion in an electrical power transmission network
10/26/2011	CN202019336U Power generating unit and energy output equipment in power network
10/26/2011	CN202019227U Air conditioner and power supply system thereof
10/26/2011	CN202019199U Magnetic control reactor combined by windings wound in different directions
10/26/2011	CN202019198U Phase locking and frequency doubling sampling control circuit for dynamic reactive power compensation controller
10/26/2011	CN202019197U Low-voltage power compensation control cabinet
10/26/2011	CN202019196U Regulating device of SVC
10/26/2011	CN202019195U Compensation device for power factors of low-voltage capacitor cabinet
10/26/2011	CN102227086A Method for real-time determination of disturbance of identification signal of low-frequency oscillation of power system
10/26/2011	CN102227085A LC tune type stationary wattless generator
10/26/2011	CN102227084A Power grid-elastic mechanics network topology mapping method

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