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)
09/2012
09/26/2012CN202455080U Compact high-voltage parallel capacitor device
09/26/2012CN202455079U Temperature control system applied to passive optimized compensation device
09/26/2012CN202455078U Single-phase voltage regulating device with core controller and intelligent capacitor
09/26/2012CN202455077U Single-phase voltage adjusting device with intelligent capacitor
09/26/2012CN202455076U Automatic voltage control system
09/26/2012CN202455075U Debugging device for test of active power filter
09/26/2012CN202455074U 大功率emi滤波器 Power emi filter
09/26/2012CN202455073U Multilevel active power filter distributed control device
09/26/2012CN202455072U Extra-high voltage resonance voltage measuring compensation capacitor tower
09/26/2012CN202455071U Distributed power supply system for intelligent station
09/26/2012CN202455070U Anti-accident exercising system of power system
09/26/2012CN202455069U Anti- accident exercise device
09/26/2012CN202455068U No-breakpoint operation power-saving device
09/26/2012CN202455067U Power quality improvement and combined action energy-saving system
09/26/2012CN202455066U Dock marine shore power system
09/26/2012CN202454958U 35kV direct-hanging intensive type SVG (Static Var Generator) based on multi-unit combined drawer type power module
09/26/2012CN202454951U Handcart type capacitor cabinet
09/26/2012CN202454924U Capacitor compensating cabinet with partitioning plates
09/26/2012CN202454836U Socket device of reactive power compensation capacitor
09/26/2012CN202451352U Device based on water power storage
09/26/2012CN102696051A Power demand-supply system
09/26/2012CN102694394A Method and system for controlling current of grid-side converter of wind driven generator under unbalanced power grid condition
09/26/2012CN102694393A Controller for switching grid connection photovoltaic power generation system and off-grid photovoltaic power generation system
09/26/2012CN102694392A Scheduling method of wind power field
09/26/2012CN102694391A Day-ahead optimal scheduling method for wind-solar storage integrated power generation system
09/26/2012CN102694390A Grid-connected generating system
09/26/2012CN102694389A Three-phase digital generator
09/26/2012CN102694388A Bidirectional converter control device
09/26/2012CN102694387A Method for identifying power oscillation of power system based on integration algorithm for moment resolution
09/26/2012CN102694386A Electrified railway negative sequence unbalance compensation method
09/26/2012CN102694385A Phase current balancing and amplitude-limiting method for asymmetrical compensation of line current of distribution static compensator (D-STATCOM)
09/26/2012CN102694384A Aerogenerator controller and control method
09/26/2012CN102694383A Method for generating data of minimum operating mode from data of maximum operating mode of power system
09/26/2012CN102694382A Method and arrangement for controlling an operation of an electric energy production facility during a disconnection to a utility grid
09/26/2012CN102694381A Multistage electrical-network self-healing control device and control method thereof
09/26/2012CN102693824A Three-phase superconductive variable-leakage-reactance controlled electric reactor
09/26/2012CN102692601A Low-voltage and medium-voltage wind power generation simulation experimental platform
09/26/2012CN102689685A Dynamic positioning vessel thruster load limit method based on on-line available power
09/26/2012CN102064558B Three-phase electromagnetic balanced electricity-saving appliance
09/26/2012CN101976850B Direct-current side control method for midline arm control model of four bridge arm photovoltaic inverter
09/26/2012CN101938230B Wave vibration piezoelectric power generation and solar energy combined power generating method and system
09/26/2012CN101908764B Self-healing control method of electric network
09/26/2012CN101882795B Regenerative electric energy feedback method for elevator and device thereof
09/26/2012CN101867186B Special modular converter for three-phase four-wire active power filter
09/26/2012CN101860042B Method for cooperatively controlling active power of wind farm
09/26/2012CN101860027B Method for establishing model by combining power supply analysis with running mode during running power grid
09/26/2012CN101814743B Wind power integration on-line safety early warning system based on short-term wind power prediction
09/26/2012CN101814734B Electric energy quality optimization method based on fieldbuses
09/26/2012CN101762758B System for monitoring and orientating electric power quality pollution source in electric network
09/26/2012CN101661527B Automatic switching system from geographical wiring diagram of distribution network to single line diagram
09/26/2012CN101197502B Methods for synchronising a plurality of generators
09/26/2012CN101194404B Damping electromechanical oscillations in power systems
09/26/2012CN101127443B A controllable silicon compound switch with protection device
09/25/2012US8275489 Systems and methods for deployment of wind turbines
09/25/2012US8274804 Voltage transforming apparatus
09/25/2012US8274175 Method and arrangement in conjunction with emergency light
09/21/2012CA2771730A1 Method and arrangement for controlling an operation of an electric energy production facility during a disconnection to a utility grid
09/20/2012WO2012125278A2 Automatic voltage regulation for photovoltaic systems
09/20/2012WO2012124371A1 Electric equipment, control method therefor, and control program
09/20/2012WO2012124370A1 Load control device, control method therefor, and control program
09/20/2012WO2012124369A1 Equipment control device, control method, control program and recording medium
09/20/2012WO2012124368A1 Power supply/demand control device, control method therefor, and control program
09/20/2012WO2012124131A1 Power control device and power control method
09/20/2012WO2012124130A1 Power control device and power control method
09/20/2012WO2012123508A1 Latent heat accumulator and energy storage system having such latent heat accumulators
09/20/2012WO2012123365A2 Power generation unit driver, power generation unit and energy output equipment in power grid
09/20/2012WO2012123350A1 Self-contained hybrid power supply system for an electrical apparatus, and unit and method for managing the system
09/20/2012WO2012122874A1 H-bridge cascaded multi-level voltage sag generator based on igbt
09/20/2012WO2012122873A1 Shore-based variable frequency power supply system in port
09/20/2012WO2012122630A1 Modular intelligent power system
09/20/2012WO2012059183A3 System and method for the complete and unrestricted use of electrical energy generated in an uncontrolled manner
09/20/2012WO2011154387A3 Method for controlling a power supply device
09/20/2012US20120235590 Device and method for addressing power to a load selected from a plurality of loads
09/20/2012US20120235498 Automatic voltage regulation for photovoltaic systems
09/20/2012US20120235481 Storage Unit and Power Generation System
09/20/2012DE102011014469A1 Method for optimizing feed power and stability in public power supply network, involves feeding power contributed to photovoltaic systems over inverter as reactive power fed into supply network or related to power in supply network
09/20/2012DE102011014468A1 Inverter used in wind-power plant, supplies predetermined amount of unbalanced reactive power of generator into three-phase power supply networks, based on request of control signal
09/20/2012DE102011005563A1 Method for performing switching between power input and redundant power input during e.g. occurrence of short circuit current, involves delaying switching-on of redundant power input in dependence of time course of load current
09/20/2012DE102011001284A1 Circuit arrangement for use as emergency power supply, has bidirectional controller that is connected between power source and inverter, so that electrical energy of energy source is stored in memory and is fed into public grid
09/20/2012CA2830303A1 Self-contained hybrid power supply system for an electrical apparatus, and unit and method for managing the system
09/19/2012EP2501019A2 Power control apparatus and power control method using same
09/19/2012EP2501014A1 Method and apparatus for detecting islanding conditions of distributed generator
09/19/2012EP2501013A2 Electrical accumulator units with safe turn-off
09/19/2012EP2501012A1 Charging device, system, and method of supplying power to at least one load
09/19/2012EP2501011A2 Centralised management of the power supply of a plurality of local power grids
09/19/2012EP2499714A2 Power oscillation damping employing a full or partial conversion wind turbine
09/19/2012CN202444465U Frequency conversion speed regulating system of motor rotor
09/19/2012CN202444461U Remote controller of three-phase asynchronous motor
09/19/2012CN202444429U Circuit structure for wind power converter
09/19/2012CN202444421U Boost transformation circuit and solar energy inverter
09/19/2012CN202444283U Power control shock-free grid-connected device of wind power generation grid-connected converter
09/19/2012CN202444282U H-bridge series connection type high-voltage grid-connected type solar inverter device
09/19/2012CN202444281U Synchronous wind power generation analog device with exciting current control system
09/19/2012CN202444280U Grid-connected wind power generation experimental device based on excitation synchronous generator
09/19/2012CN202444279U Countercurrent prevention system
09/19/2012CN202444278U Twice voltage rectification based simulation photovoltaic grid-connected power generation device
09/19/2012CN202444277U Three-phase photovoltaic grid-connected power generation device applicable to distributed power generation
09/19/2012CN202444276U Novel solar power generation grid-connected device
09/19/2012CN202444275U Control loop of automatic switching reactive compensation device
09/19/2012CN202444274U Integrated combination switch
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