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)
06/2011
06/22/2011CN201877833U Novel high-frequency multilevel static reactive power generator
06/22/2011CN201877832U Reactive power compensation controller
06/22/2011CN201877831U Reactive power on-site compensation device of three-phase asynchronous motor
06/22/2011CN201877830U Intelligent voltage-regulating power-saving device
06/22/2011CN201877829U System safety power saver
06/22/2011CN201877828U Device for removing harmonic wave in power grid
06/22/2011CN201877827U General single-phase AC (altering current) power purifying device
06/22/2011CN201877826U System for controlling speed fluctuation of frequency converter
06/22/2011CN201877703U 66 kV side structure of impact type 500kV main transformer
06/22/2011CN201877702U Compact 500kV main transformer 35kV side structure
06/22/2011CN102106056A Charge/discharge system and electric vehicle
06/22/2011CN102104359A Alternating current (AC) stepped controllable single-phase/three-phase shunt reactor
06/22/2011CN102104347A Solar (photovoltaic) domestic generating system
06/22/2011CN102104258A Wind-driven generating set and offshore platform grid non-stop grid connection test system and method
06/22/2011CN102104257A Energy storage system of apartment building, integrated power management system, and method of controlling the system
06/22/2011CN102104256A Method and systems for operating a wind turbine
06/22/2011CN102104255A Landscape-type miniaturized constant-temperature high-voltage reactive compensating device
06/22/2011CN102104254A Land power source device for ship
06/22/2011CN102104253A Oversampling digital realizing method for APF hysteresis current tracking and controlling
06/22/2011CN102104252A Power system dynamic equivalence method suitable for electromagnetic transient analysis
06/22/2011CN102104251A Microgrid real-time energy optimizing and scheduling method in parallel running mode
06/22/2011CN102104250A Renewable electricity generation system, electric power measurement device and method
06/22/2011CN102103362A Micro-grid system and micro-grid system-based fuzzy control method
06/22/2011CN101453121B Low voltage deloading system for urban electric grid
06/22/2011CN101409516B Simple network-connecting generation inverter
06/21/2011US7965529 Voltage source inverter and medium voltage pre-charge circuit therefor
06/21/2011US7965476 Current producing circuit, current producing method, and electronic device
06/21/2011US7964992 Circuit device including multiple parameterized power regulators
06/21/2011US7964990 Power supply apparatus
06/21/2011US7964989 Method and system for controlling power to an electrically powered device
06/21/2011CA2593947C Common mode noise reduction circuit utilizing dual primary windings
06/18/2011CA2701669A1 Various methods and apparatuses for an integrated zig-zag transformer
06/17/2011DE202011100444U1 Stromregelspeicher Flow control memory
06/16/2011WO2011070792A1 Distributed power supply system
06/16/2011WO2011069553A1 A dc power source for a high voltage power apparatus
06/16/2011WO2011069548A1 Line fault detector
06/16/2011WO2011069263A1 Synergistic energy ecosystem
06/16/2011WO2011020831A3 Electrical charging device
06/16/2011WO2011018270A3 Controlling charging stations
06/16/2011WO2011008944A4 Smart and scalable power inverters
06/16/2011US20110141773 Hvdc connection of wind turbine
06/16/2011US20110140655 Electric power charge and discharge system
06/16/2011US20110140536 Current bypass for distributed power harvesting systems using dc power sources
06/16/2011US20110140534 Power supply device and method
06/16/2011US20110140522 Electricity distribution system, end user residence, and method
06/16/2011US20110140511 Electric power transmission system for wind turbine and wind turbine farm and method for operating same
06/16/2011DE102009058372A1 Decentralized energy supply system operating method for private household unit, involves using current stored in energy storage unit according to current conditions for local power supply and/or feeding current into public grid
06/16/2011DE102009054485A1 System zur dezentralen Speicherung und Generierung elektrischer Energie System for remote storage and generation of electrical energy
06/16/2011CA2783717A1 Synergistic energy ecosystem
06/16/2011CA2783294A1 Line fault detector
06/16/2011CA2782896A1 A dc power source for a high voltage power apparatus
06/15/2011EP2333927A2 Proceedings for the use of electrical energy in current supply networks
06/15/2011EP2333926A2 Wind farm and method for operating a wind farm
06/15/2011EP2333894A1 Method for controlling sodium-sulfur battery
06/15/2011EP2332229A1 Wind energy plant testing device
06/15/2011EP2332228A1 An arrangement for interconnecting two distant locations and a method for transmitting electric power
06/15/2011EP2201673B1 Power system having dual synchronization
06/15/2011EP2050176B1 Parameter estimation for a thermal model of a power line
06/15/2011CN201869128U Solar energy photovoltaic power generation system and AC module thereof
06/15/2011CN201869117U Efficient isolation inverter circuit
06/15/2011CN201869115U Solar photovoltaic synchronization group micro inverter
06/15/2011CN201869112U Electric power conversion device for wind-driven power generation
06/15/2011CN201869106U Double-feed wind power frequency converter
06/15/2011CN201869102U DC/DC changer of photovoltaic high-frequency isolating boosting soft switch
06/15/2011CN201868954U Electric automobile charging station system with energy storage devices
06/15/2011CN201868951U Submerged arc furnace energy-saving on-line monitoring device
06/15/2011CN201868898U Voltage stabilization prediction device of wind power grid system
06/15/2011CN201868897U 3.6MW direct-current grid-connection permanent magnet direct-driving wind generating set for offshore wind farm
06/15/2011CN201868896U Economic operation system of transformer
06/15/2011CN201868895U System for selecting access mode of wind farm
06/15/2011CN201868894U 35/66kv stacked dry type parallel air core reactor
06/15/2011CN201868893U Unit type intelligent low-voltage reactive power compensation device
06/15/2011CN201868892U Reactive compensation controller for 330KV mutual inductor on-site checking vehicle
06/15/2011CN201868891U Intelligent reactive compensation device on medium-voltage column
06/15/2011CN201868890U Intelligent compensation device for low-voltage follower
06/15/2011CN201868889U Special complete equipment for reactive compensation in oil industry
06/15/2011CN201868888U Electric power stabilizing and smoothing adjuster
06/15/2011CN201868887U Special complete equipment for box-type reactive compensation
06/15/2011CN201868886U Complete equipment for filtering compensation of silicon carbide furnace
06/15/2011CN201868885U Low-voltage split-phase dynamic special complete equipment for reactive compensation
06/15/2011CN201868884U Complete device special for reactive compensation of electrified railway
06/15/2011CN201868883U 10-kV static passive compensation device based on pulse drive control
06/15/2011CN201868882U Thyristor switching capacitor bank
06/15/2011CN201868881U Novel secondary low-voltage compensation device for submerged arc furnace
06/15/2011CN201868880U Five-order filter circuit applied to active power filter and connected with system
06/15/2011CN201868879U Complete device special for filtering compensation of rolling mill
06/15/2011CN201868878U Complete device special for filter compensation of elevator
06/15/2011CN201868877U Complete device specially for filter compensation of polycrystal furnace
06/15/2011CN201868876U Electric load management system terminal
06/15/2011CN201868875U TT (Telegraphic Transfer) low-voltage power supply system for residence community
06/15/2011CN201868874U Automatic PI measuring point maintenance system for power system
06/15/2011CN201868747U General power distribution cabinet with automatic reactive power compensation
06/15/2011CN1881731B Signal transmission method between two control protection system and two valve base electronic equipment of convertor station
06/15/2011CN102099982A Time delay compensation in power system control
06/15/2011CN102097975A Complementary solar power generation system
06/15/2011CN102097964A Photovoltaic grid-connected inverter
06/15/2011CN102097946A Multifunctional rectification and inversion electric energy feedback load
06/15/2011CN102097855A Parallel running phase lock method for digital-controlled uninterruptible power supply
06/15/2011CN102097828A Wind power optimal scheduling method based on power forecast
06/15/2011CN102097827A Power ramp rate control for renewable variable power generation systems
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