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
09/19/2012CN202444273U Hybrid reactive power compensation device
09/19/2012CN202444272U Intelligent low-voltage power capacitor
09/19/2012CN202444271U Low-voltage ride through device for double-fed wind power generation system
09/19/2012CN202444270U Indoor high-voltage reactive compensation device
09/19/2012CN202444269U Indoor low-voltage automatic reactive power compensation device
09/19/2012CN202444268U Control device of reactive power automatic compensation
09/19/2012CN202444267U Long distance power distribution network voltage lifting compensating device
09/19/2012CN202444266U Low-voltage side filtering compensation energy-saving type rectifier transformer
09/19/2012CN202444265U Passive filter compensation system for medium-frequency electric induction furnace
09/19/2012CN202444264U Active power filter based on full bridge topology
09/19/2012CN202444263U Indoor low-voltage passive filter device
09/19/2012CN202444262U Active power filter intelligent controller
09/19/2012CN202444261U Intelligent integrated main wiring system for power sources
09/19/2012CN202444181U Indoor low-voltage automatic reactive compensation device cabinet
09/19/2012CN102687364A Operation planning method and method for operating heat-pump hot-water supply heating system
09/19/2012CN102687363A Electric power supply system
09/19/2012CN102687362A Systems and methods for optimizing power loads in a power distribution unit
09/19/2012CN102687024A Method for power visualization and device for power visualization
09/19/2012CN102684586A Method for aggregating leading generator parameter of dynamic equivalence of alternating/direct-current large power grid
09/19/2012CN102684554A Method for detecting system transient characteristic waves for shared network control on photovoltaic micro-grid
09/19/2012CN102684530A Method for controlling transformerless inverter with reactive power compensation function
09/19/2012CN102684514A Energy feedback type traction power supply device
09/19/2012CN102684467A Bypass processing method and controller for power unit of H-bridge cascade type equipment
09/19/2012CN102684228A Method for optimizing configuration of intermittent distribution type power supply based on complementary
09/19/2012CN102684227A Photovoltaic power station for urban community
09/19/2012CN102684226A Energy-saving device and method capable of feeding back electric energy to power grid from parallel connection
09/19/2012CN102684225A Controllable electric reactor based low-voltage ride through system and test method thereof
09/19/2012CN102684224A Unit combination method for resolving and considering wind power volatility
09/19/2012CN102684223A Optimized evaluating method for wind power output under multi-constraint condition for reducing transmission loss
09/19/2012CN102684222A Method for smoothly controlling wind power generation power based on energy storage technology
09/19/2012CN102684221A Grid-connected Stirling generator set control method and system
09/19/2012CN102684220A Marine photovoltaic power generation grid-connected experimental platform
09/19/2012CN102684219A Method and apparatus for detecting islanding conditions of distributed generator
09/19/2012CN102684218A Non-isolating photovoltaic grid-connected inverter
09/19/2012CN102684217A Double-fed wind generating set low-voltage penetration technical research method based on stator voltage skyrockets
09/19/2012CN102684216A Automatic grid-connected control system for power generator set
09/19/2012CN102684215A Energy management system for grid-connected operation of wind and photovoltaic power storage micro-grid system
09/19/2012CN102684214A Novel high-voltage series voltage compensation device
09/19/2012CN102684213A Low-voltage three-phase load unbalance automatic regulation system
09/19/2012CN102684212A Device for automatically adjusting three-phase load imbalance
09/19/2012CN102684211A Three-phase three-line unbalance load compensation device and control method thereof
09/19/2012CN102684210A Method for calculating steady state power fluctuation amplitude of AC tie line of interconnected systems in two regions
09/19/2012CN102684209A Method for improving sub-synchronous oscillation (SSO) damping of thermal power plant by utilizing fan supplementary controller
09/19/2012CN102684208A Wide-area reactive optimal running method for power distribution network
09/19/2012CN102684207A Large-scale wind power grid-integration reactive voltage optimizing method based on improved artificial fish swarm hybrid optimization algorithm
09/19/2012CN102684206A Static reactive power compensation control method based on sequence component method
09/19/2012CN102684205A Harmonic reactive compensation control method based on current harmonic on-line estimation
09/19/2012CN102684204A Cascading-type STATCOM DC side capacitor voltage balance control method
09/19/2012CN102684203A Method for carrying out intelligent control on dynamic reactive power compensation of SVG (TSC) (static var generator (thyristor switched capacitor))
09/19/2012CN102684202A Energy-saving power distribution device
09/19/2012CN102684201A Voltage threshold probability-based reactive power optimizing method for grid containing wind power plant
09/19/2012CN102684200A Power adjuster for three-phase voltage/power adjustment
09/19/2012CN102684199A Multiple time scale control method of exchange power of microgrid and power distribution network
09/19/2012CN102684198A Harmonic suppression method of bidirectional converter of energy accumulation unit in wind and light accumulation system
09/19/2012CN102684197A Nonlinear load harmonic risk assessment system
09/19/2012CN102684196A Three-phase four-switch parallel type APF control method under voltage unbalance
09/19/2012CN102684195A Low pass filter, active power filtering device and harmonic detection method
09/19/2012CN102684194A Method for preventing capacitor bank from tripping due to unknown reasons
09/19/2012CN102684193A Mixed type active filter
09/19/2012CN102684192A Current control method for active power filter
09/19/2012CN102684191A Matrix network topology analysis method
09/19/2012CN102684190A Alternating-current power flow contained unit combination method efficient in solving
09/19/2012CN102684189A Automatic gain control (AGC) method for hydroelectric power station surge shaft
09/19/2012CN102684188A Large and small running mode reactive power optimizing and joint adjusting method of electric system
09/19/2012CN102684187A Power grid static stability analysis method on basis of WAMS and online simulation data
09/19/2012CN102684186A Active control method for electric power system with insufficient unit regulation capacity in load peak
09/19/2012CN102684185A Control of the distribution of electric power generated by a wind farm
09/19/2012CN102684184A Three-phase power saving project
09/19/2012CN102684183A DC LAN (Direct Current Local Area Network)-based distributed power generation system and control method
09/19/2012CN102681445A Anti-jamming integrated intelligent controller
09/19/2012CN102679152A United long-range transmission system for liquefied natural gas and high-temperature superconducting electric energy
09/19/2012CN102678432A Floating direct drive type sea wave power generation technology
09/19/2012CN101892865B Control method and control device of triangular flash evaporation circulating power generation system
09/19/2012CN101860043B Low voltage traversing control device and method for serial connection wind power generator set
09/19/2012CN101789606B Startup method for synchronization without insulating photovoltaic grid-connected inverters
09/19/2012CN101197503B Collection and transmission system
09/18/2012US8269374 Solar panel power management system and method
09/18/2012US8269370 Power converter and its control method and air conditioner
09/18/2012DE202012007177U1 Autoneme schwimmende Leistungseinheit, die ganzjährlich Wechselstrom bereitstellt Autoneme floating power unit that provides all year AC
09/17/2012DE202012103127U1 Stromumschaltvorrichtung und ein diese umfassendes Stromversorgungssystem Stromumschaltvorrichtung and this comprehensive power system
09/17/2012DE202011051561U1 Vorrichtung zur Unterbrechung und/oder Begrenzung eines Gleichstroms A device for interrupting and / or limiting a direct current
09/13/2012WO2012121207A1 Waveform compensation method and waveform compensation circuit
09/13/2012WO2012120977A1 Charging control system, charging control method and program
09/13/2012WO2012120976A1 Charging control system, charging control method and recording medium
09/13/2012WO2012120703A1 Power transmitting apparatus
09/13/2012WO2012120595A1 Wind power generation system and wind power generation apparatus
09/13/2012WO2012120353A2 Appliance and method for recharging batteries of electric vehicles or the like
09/13/2012WO2012120168A1 Method and device for detecting island operation in distributed electricity generation and for protecting the connected loads in the bars of the generators when island operation occurs
09/13/2012WO2012119194A1 Solar cell installation. cut-out switch and method
09/13/2012WO2011104219A3 Method and device for distributing power between charging stations for electric vehicles
09/13/2012US20120233094 Energy management system and power feed control device
09/13/2012US20120233060 Electric power interchange system
09/13/2012US20120232820 grid oscillation analysis method and apparatus therefor
09/13/2012US20120229118 Reactor and power converter using the same
09/13/2012US20120228949 Dc electrical power system
09/13/2012US20120228946 Battery system, controlling method of the same, and energy storage system including the battery system
09/13/2012US20120228940 Power supply switching system
09/13/2012US20120228932 Method and Device for Energy Management
09/13/2012DE102012101928A1 Power grid decentralized stabilizing method, involves minimizing feed-in power of power grid decentralized stabilizing system in relation to actual maximum generator power according with requirements for feed-in power
09/12/2012EP2498367A1 Electric power interchange system
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