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)
11/2012
11/21/2012CN102790397A Reducing demand/response effects implementing volt/var control
11/21/2012CN102790396A Voltage stabilization open-loop control method on basis of short circuit capacity
11/21/2012CN102790395A Spare power automatic switching load equalizing method and device for 20kV and 10kV mixing area
11/21/2012CN102790394A Control method for active power filter based on double-side voltage information
11/21/2012CN102790393A Smart grid/harmonic wave purification energy-saving control device and method
11/21/2012CN102790392A Hybrid power filter
11/21/2012CN102790391A Diesel oil power generation and gas triple-generation hybrid energy supply microgrid system and control method thereof
11/21/2012CN102790390A Method for analyzing voltage sag domain
11/21/2012CN102790389A Method for calculating probability distribution of transient stability margin
11/21/2012CN102790387A Protection device and series compensation system for metal oxide varistor in series compensation
11/21/2012CN102789168A Loop shaping-based robust control method for dynamic voltage restorer
11/21/2012CN102157948B Static var compensation device current detection method based on transient power balance
11/21/2012CN102157946B Stepper type trigger synchronous protection of combination switch and core unit thereof
11/21/2012CN102082440B Voltage reactive comprehensive control method for step transformer substations
11/21/2012CN102005779B Converter-based low voltage ride through control system of wind generating set
11/21/2012CN102005766B Control method for reactive compensation of network
11/21/2012CN102005762B Direct current voltage on-line identification method for active filter
11/21/2012CN101938127B Single-phase and three-phase dual buck full-bridge parallel active power filter
11/21/2012CN101938126B Dual-buck half-bridge parallel active power filter based on hysteresis control
11/21/2012CN101937490B Planning electric network loss analyzing and computing method
11/21/2012CN101908763B Method for controlling distribution network closed loop
11/21/2012CN101902052B Wind power station whole low voltage ride through (LVRT) system
11/21/2012CN101895125B Control method of light-type direct-current transmission system converter of offshore wind power station
11/21/2012CN101895119B Compensation system of parallel-type active electric power filter
11/21/2012CN101741101B Method for realizing network access current of unity power factor of grid-connected inverter and internal anti-islanding
11/21/2012CN101726656B Harmonic current detection and filtration method and device of active power filter
11/21/2012CN101609986B Multilevel joint coordination automatic voltage control method based on decision trees
11/21/2012CN101278456B Induction regulator for controlling power load flow used in alternating current transmission network
11/20/2012US8314511 Method and apparatus for allocating electricity from a distributor
11/20/2012US8314510 Method for selecting an electric power supply, a circuit and an apparatus thereof
11/20/2012US8314509 Movable barrier operator with energy management control and corresponding method
11/20/2012CA2541323C Distributed floating series active impedances for power transmission systems
11/20/2012CA2523407C Operating method for a wind park
11/16/2012DE202012009347U1 System zur optimalen Speicherung elektrischer Energie System for optimum storage of electrical energy
11/16/2012CA2776115A1 Combination gfci/afci receptable with class 2 power units
11/15/2012WO2012155126A2 High voltage energy harvesting and conversion renewable energy utility size electric power systems and visual monitoring and control systems
11/15/2012WO2012154936A2 System and method for energy management
11/15/2012WO2012154921A2 Control system for photovoltaic power plant
11/15/2012WO2012153755A1 Power management system for mining
11/15/2012WO2012152975A1 System and method for increasing the current injected into the electrical grid by electrical generators during power dips generated in the grid
11/15/2012WO2012152345A1 A method in a controller controlling a dynamic compensator, a controller, computer programs and computer program products
11/15/2012WO2012152320A1 An arrangement and a method for determining a parameter of an alternating voltage grid
11/15/2012WO2012152304A1 Method and protective device for recognising a symmetrical short-circuit in a multi-phase electrical power supply network
11/15/2012WO2012152072A1 Solar energy photovoltaic three-phase micro-inverter and solar energy photovoltaic generating system
11/15/2012WO2012151720A1 Plug and play smart grid experiment and training system based on grid architecture
11/15/2012WO2012123365A3 Power generation unit driver, power generation unit and energy output equipment in power grid
11/15/2012WO2012080117A3 Switchgear
11/15/2012US20120290145 Single-stage grid-connected solar inverter for distributed reactive power generation
11/15/2012US20120290144 Power management device and power management method, as well as power management system provided with power management device, house provided with power management system, program for power management device, and computer readable recording medium
11/15/2012US20120286759 Distributed power generation system
11/15/2012US20120286577 Power monitoring apparatus
11/15/2012US20120286573 Power managing system
11/15/2012US20120286572 Self-sufficient generator for producing electrical power
11/15/2012US20120286571 Power supply
11/15/2012DE102012008009A1 Device for controlling electric network with multiple generators of e.g. bus, connects some of generators in load-free state, and operates remaining generators in specific given operating point based on determined current load of network
11/15/2012CA2835458A1 A method in a controller controlling a dynamic compensator, a controller, computer programs and computer program products
11/15/2012CA2833138A1 Mine power management system
11/14/2012EP2523339A2 Method for energy generation by a photovoltaic arrangement, in particular for the compensation of energy between the photovoltaic generators and the inverter
11/14/2012EP2523299A1 Photovoltaic device
11/14/2012EP2523298A1 Method and apparatus for controlling electric grid in islanding mode
11/14/2012EP2523006A2 Electrical instrument, power management apparatus, power management system having same, and method for controlling same
11/14/2012EP2522065A2 A method and system for power management in substations
11/14/2012EP2327149B1 System and method for monitoring power damping compliance of a power generation unit
11/14/2012CN202535296U Autonomous sharing node system-based photovoltaic microgrid system structure
11/14/2012CN202535293U Output device of three-phase photovoltaic inverter
11/14/2012CN202535292U Single-phase inverter
11/14/2012CN202535132U Symmetrical UPS system based on nine-phase self-coupling phase-shifting transformer
11/14/2012CN202535091U Photovoltaic micro grid-connected inverter
11/14/2012CN202535090U Wind power generation energy storage system
11/14/2012CN202535089U Synchronous generator set grid-connected system
11/14/2012CN202535088U Automatic switching device for intelligent control of parallel operation of two winding transformer at 110 kV
11/14/2012CN202535087U Unified power flow controller based on modular multilevel converter structure
11/14/2012CN202535086U Power quality control circuit
11/14/2012CN202535085U Intelligent reactive power compensation system by utilizing power line carrier communication mode
11/14/2012CN202535084U Phase control and zero current phase separation switching control device
11/14/2012CN202535083U Capacitor complete device
11/14/2012CN202535082U Static synchronous compensator operating system under mode of parallel connection of flexible direct current system and wind power farm
11/14/2012CN202535081U Power quality controller based on DSP and FPGA
11/14/2012CN202535080U Single-phase unified power quality controller
11/14/2012CN202535079U Split-phase capacitor control apparatus
11/14/2012CN202535078U Reactive power compensation controlling device
11/14/2012CN202535077U Cng compressor
11/14/2012CN202535076U Controllable electric reactor and reactive power compensation device comprising same
11/14/2012CN202535075U Electric energy quality automatic regulation device with remote controller
11/14/2012CN202535074U UPQC coordinated control system
11/14/2012CN202535073U Electric energy quality automatic regulation and control device with online monitoring system
11/14/2012CN202535072U Electric energy controlling device
11/14/2012CN202535071U Parallel connection system of power grid and wind power station by flexible direct current system
11/14/2012CN202535070U Unified power quality controller
11/14/2012CN202535069U Series-connected ferroresonance return circuit
11/14/2012CN202535068U Electrical network transmission specific protocol debugging system
11/14/2012CN202535051U Dynamic regulator
11/14/2012CN202535049U Capacitance compensation switching switch structure
11/14/2012CN202535014U A composite apparatus used for power-on ice melting and performing SVG static var compensation
11/14/2012CN102782974A Power conversion systems
11/14/2012CN102782508A Energy display system
11/14/2012CN102780241A Power managing system
11/14/2012CN102780237A Limited control system and method for large-scale highly-concentrated wind power generation ramp
11/14/2012CN102780236A Active optimal control system of wind and light storage combined power generation system and method
11/14/2012CN102780235A Pumped storage power station dispatching method on basis of genetic algorithm
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