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)
02/2014
02/12/2014CN203434632U A power cabinet blower fan regulating and controlling apparatus based on a SVG device
02/12/2014CN203434631U Reactive local-compensation starting device
02/12/2014CN203434630U Bus type composite switch
02/12/2014CN203434629U Intelligent environment-friendly high-voltage shore-power power-supply system
02/12/2014CN203434628U Filtering device of draught fan frequency converter in wind power plant
02/12/2014CN203434627U Energy-obtaining system of power-transmission-line on-line monitoring device based on ground wire induction
02/12/2014CN203434626U Integrated compensation device
02/12/2014CN203434625U Compound distributor
02/12/2014CN203434016U Automatically-transferring load switch
02/12/2014CN103582987A System, method, and program for conserving energy
02/12/2014CN103580590A Plug-and-play type photovoltaic power generation combined system
02/12/2014CN103580525A Minitype grid-connected inverter of active LC absorption network
02/12/2014CN103580524A Novel H4 bridge multi-level grid-connected-connected inverter circuit
02/12/2014CN103580452A Chained SVG power cabinet
02/12/2014CN103580291A Battery energy storage system integrating energy type and power type and control method thereof
02/12/2014CN103580108A Battery pack, cell balancing method of the same, and energy storage system including the battery pack
02/12/2014CN103580076A Photovoltaic electricity grid-connected and grid-disconnected integrated system
02/12/2014CN103580069A Wind park control system
02/12/2014CN103580068A Method and system for controlling power converter
02/12/2014CN103580067A Method for controlling closing moment of bypass contactor in wind power generation soft grid connection
02/12/2014CN103580066A Seamless switching control system of distributed power generation system
02/12/2014CN103580065A Wire system with phase position switching devices
02/12/2014CN103580064A Wind generating set network access method and system
02/12/2014CN103580063A Large-scale grid-connected wind power consumption method based on demander response
02/12/2014CN103580062A Grid-connected control system used for triple co-generation system
02/12/2014CN103580061A Microgrid operating method
02/12/2014CN103580060A Controller suitable for grid-connected inverter and power supply method of secondary system
02/12/2014CN103580059A Solar energy and wind energy combined grid-connected power generation system based on direct-current transmission
02/12/2014CN103580058A Photovoltaic power plant
02/12/2014CN103580057A Three-phase grid-connected system for distributed photovoltaic power generation
02/12/2014CN103580056A Soft cut-in controller device for wind power generation
02/12/2014CN103580055A Open type grid-connection experiment system of variable-speed constant-frequency double-fed wind power generator unit and open type grid-connection experiment method
02/12/2014CN103580054A Converter valve alternating current system 1s fault tolerance property analysis method
02/12/2014CN103580053A Series-connection multi-terminal direct current transmission system and operation method used during transmission capacity loss of system
02/12/2014CN103580052A Compound energy storage power station for active distribution network and power distribution method of compound energy storage power station
02/12/2014CN103580051A Wind storage system battery electrical charge state optimizing control system taking load characteristics into consideration
02/12/2014CN103580050A High-power modularization multi-level lithium battery energy storage converter device
02/12/2014CN103580049A Method for adjusting power grid low-voltage circuit voltage through electric vehicle power battery
02/12/2014CN103580048A Chained battery energy storage system integrated with active power filter
02/12/2014CN103580047A Energy storage system based on chain type voltage source converters
02/12/2014CN103580046A Compound energy storage proportioning method for active distribution network
02/12/2014CN103580045A Control method of hybrid energy storage system for stabilizing intermittent power fluctuation
02/12/2014CN103580044A Capacity allocation method of multi-wind power plant energy storage device for dealing with wind power fluctuation
02/12/2014CN103580043A Energy storage charging and discharging control method for wind storage integrated system
02/12/2014CN103580042A PFC circuit bus voltage automatic equalization method and device
02/12/2014CN103580041A Capacity configuration method of hybrid energy storage system for stabilizing wind power fluctuation
02/12/2014CN103580040A Self-adaptive compensation device for distribution transformer
02/12/2014CN103580039A Magnetically-controlled static var compensator
02/12/2014CN103580038A Zero-crossing trigger device of dynamic reactive-power compensation silicon controlled rectifier
02/12/2014CN103580037A Double-switch capacitance compensation device
02/12/2014CN103580036A Charging device used in intensive SVG system
02/12/2014CN103580035A Static reactive compensation method
02/12/2014CN103580034A Full-automatic reactive power compensation control system based on shield tunneling machine and control method
02/12/2014CN103580033A Inverter power feedback energy-saving device of pumping unit
02/12/2014CN103580032A Power grid compensating system and control method thereof
02/12/2014CN103580031A 485 communication control type intelligent reactive compensation controller
02/12/2014CN103580030A Reactive voltage control method and system for grid-connected photovoltaic power station
02/12/2014CN103580029A Control system and method of power supply loop of wind generating set
02/12/2014CN103580028A Dynamic voltage recovery system based on IOT (Internet of Things) technology
02/12/2014CN103580027A Control system of APF (active power filter)
02/12/2014CN103580026A Triangular H-bridge cascading STATCOM with harmonic optimization adjustor
02/12/2014CN103580025A Adaptive filtering method for resonant frequency iteration transfer based on modal frequency sensitivity
02/12/2014CN103580024A Novel online dynamic harmonic governance device
02/12/2014CN103580023A Power distribution network reactive power optimization method based on multi-objective fish swarm clustering algorithm
02/12/2014CN103580022A Electrical power system dynamic reactive storage computing method
02/12/2014CN103580021A Method for optimizing inter-subarea tie line exchanged electricity based on marginal electricity generation energy consumption
02/12/2014CN103580020A Method for multi-target dynamic optimal dispatching of power system with wind farm based on NSGA-II and Look-ahead
02/12/2014CN103579925A High-power inversion electric control cabinet based on photovoltaic power generation grid-connected/off-grid integrated bus-based power supply
02/12/2014CN103575995A Detection system for detecting impedance variation in a neutral conductor, and transformer station comprising such a system
02/12/2014CN103574477A Grid-connected photovoltaic generation based outdoor lighting system
02/12/2014CN102723726B Method for determining maximal direct current receiving quantity in alternating current receiving system
02/12/2014CN102664416B Prevention and control method of power safety accident risk caused by load shedding
02/12/2014CN102646986B Magnetically controlled reactor controller and method thereof
02/12/2014CN102611139B Method and system for controlling wind power plant
02/12/2014CN102611100B Power system planning method suitable for power supply in remote area
02/12/2014CN102593865B Dynamic simulation system and simulation method for accessing wind power into power grids
02/12/2014CN102587992B Method and device for controlling output power of screw expansion power machine
02/12/2014CN102570459B Method for monitoring voltage quality
02/12/2014CN102447261B Alternate charging starting circuit and control method for chained static synchronous compensator
02/12/2014CN102377362B Control method for voltage-source-type unit power factor high-temperature superconducting energy storage converter
02/12/2014CN102340146B Device and method for suppressing subsynchronous oscillation of power system
02/12/2014CN102214922B Evaluation system of power network planning scheme
02/12/2014CN102208818B Wavelet-filtering-based output smoothing control method for megawatt wind/solar/battery power generation system
02/12/2014CN102159830B Power control for wind park
02/12/2014CN102124623B Methods and systems for managing facility power and cooling
02/12/2014CN101984533B Method for assessing power distribution reliability of large-scale medium-voltage distribution network based on modes
02/12/2014CN101741097B Distribution transformer capacity sequence grade optimizing method
02/11/2014US8650060 Plan execution control apparatus, plan execution control method, and plan execution control program
02/11/2014US8649913 Electrical equipment management system
02/11/2014US8648587 Arrangement of a stepping switch on a control transformer
02/11/2014US8648498 Photovoltaic power system with distributed photovoltaic string to polyphase AC power converters
02/11/2014US8648495 Smart-grid combination power system
02/11/2014US8648493 Computer system having solar power unit and method of controlling the same
02/11/2014US8648492 System and method of controlling a plurality of energy loads and energy supplies in a coordinated manner
02/11/2014US8648491 Passive impedance matching
02/11/2014CA2786242C Minimizing circulating current using time-aligned data
02/11/2014CA2700248C Wind park with voltage regulation of the wind energy systems and operating method
02/06/2014WO2014022596A1 System, method, and apparatus for electric power grid and network management of grid elements
02/06/2014WO2014022316A1 Electric system stabilizing system for aircraft
02/06/2014WO2014021773A1 A device comprising a controllable earthing transformer
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