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)
08/2013
08/21/2013EP2628226A2 Photovoltaic inverter with control for performing low voltage ride through
08/21/2013EP2628225A2 Local network station
08/21/2013EP2628224A1 Method and device for producing a state signal
08/21/2013EP2627900A2 Power generation apparatus
08/21/2013EP2001098B1 Power control method for power system compensators
08/21/2013CN203151409U High-voltage motor variable-load soft-starting and energy-saving integrated device
08/21/2013CN203151234U Mobile photovoltaic power generation, off-peak power lithium battery energy storage control system
08/21/2013CN203151215U Lithium battery energy storage type DC source control system in electric power system
08/21/2013CN203151119U Grid-connected operation synchronous generator system capable of adjusting active power under rotating speed mode
08/21/2013CN203151118U Off-grid light storage power generation and power supply system based on direct current sharing regulation and control
08/21/2013CN203151117U Micro grid power supply system
08/21/2013CN203151116U Household wind solar hybrid grid-connection power generation system
08/21/2013CN203151115U Isolation energy storage photovoltaic power generation system using three-phase four bridge arm inverter
08/21/2013CN203151114U Energy-saving feedback load
08/21/2013CN203151113U Wind power grid-connected generation system used in high-rise housing balcony
08/21/2013CN203151112U High voltage electric power reactive compensation controller
08/21/2013CN203151111U SVG high voltage dynamic reactive compensation and harmonic wave treatment apparatus
08/21/2013CN203151110U A reactive power compensator of surge protection
08/21/2013CN203151109U A novel reactive power compensation cabinet
08/21/2013CN203151108U 智能集成低压无功补偿装置 Intelligent integrated low-voltage reactive power compensation device
08/21/2013CN203151107U Special transformer for reactive regulation and control
08/21/2013CN203151106U Three-phase compensation type intelligent capacitor
08/21/2013CN203151105U Submerged arc furnace control system
08/21/2013CN203151104U Intelligent reactive compensation controller
08/21/2013CN203151103U Phase-splitting compensation type intelligent capacitor
08/21/2013CN203151102U TMS320F2812-based controller of power distribution synchronous compensator
08/21/2013CN203151101U Dynamic switching device used on low-voltage reactive-load compensation device
08/21/2013CN203151100U Reactive power compensation devicec
08/21/2013CN203151099U Dynamic reactive power compensator
08/21/2013CN203151098U APF active power filtering integrated equipment
08/21/2013CN203151097U Electric power filter for photovoltaic inverter
08/21/2013CN203151096U Active power filter
08/21/2013CN203151095U Transformerless hybrid active power filter
08/21/2013CN203151094U Harmonic transfer type three-phase harmonic elimination circuit
08/21/2013CN203151093U Off-grid Stirling power supply system structure
08/21/2013CN203151092U Electric power data center management system
08/21/2013CN203151091U Phase line identification device
08/21/2013CN203143882U Elevator with energy feedback function
08/21/2013CN103262379A Power conversion device, control device for power conversion device, and control method for power conversion device
08/21/2013CN103262378A Electric power control device and electric power control system using same
08/21/2013CN103262377A Photovoltaic power generation system and power feeding system
08/21/2013CN103262115A Electric power management system
08/21/2013CN103259873A Method and system for data collection and control of wind power plant device through front-end processor
08/21/2013CN103259476A Frequency conversion alternating current generation system control method with voltage harmonic suppression function
08/21/2013CN103259475A Doubly fed induction generator internal frequency synchronization method and device based on power balance
08/21/2013CN103259473A SVC-based subsynchronous oscillation and anti-oscillation suppression system and control method
08/21/2013CN103259472A Anti-oscillating self-adaptive restraining system of subsynchronous oscillation of large-size generator set
08/21/2013CN103259335A Intelligent demand response and demand side optimizing operation system
08/21/2013CN103259332A Protection, control, measurement and idle switch four-in-one device for transformer substation
08/21/2013CN103259312A Novel wind and photovoltaic complementary power generation system
08/21/2013CN103259291A Photovoltaic active control method of concentration output of large-scale wind power plants and photovoltaic power stations
08/21/2013CN103259290A Method for controlling direct voltage of doubly-fed generator grid-side converter without phase-locked loop
08/21/2013CN103259289A Method for obtaining available transfer capability of wind power system with DFIG based on optimal power flow
08/21/2013CN103259288A Economical evaluation method for conventional power source to carry out wind electricity peak-load regulation
08/21/2013CN103259287A Bi-directional grid-connected inversion device and bi-directional grid-connected inversion method for distributed type new energy power generation system
08/21/2013CN103259286A Three-level Z source wind power generation grid-connected system
08/21/2013CN103259285A Method for optimizing short running of electric power system comprising large-scale wind power
08/21/2013CN103259284A Voltage vector stabilizer based on phase-locked loop and control method of voltage vector stabilizer
08/21/2013CN103259283A Distributed generation grid connection reverse current delivery on-load voltage regulation device
08/21/2013CN103259282A Soft cut-in method for non-isolated type photovoltaic grid-connected inverter and isolated type photovoltaic grid-connected inverter
08/21/2013CN103259281A Energy conversion system and method with negative-sequence current compensation mechanism
08/21/2013CN103259280A Achievement method for direct current centralized control center applied to large-scale direct current output
08/21/2013CN103259279A Energy storage capacity optimization method of wind power farm based on min component fluctuation of wind power
08/21/2013CN103259278A Low voltage line voltage regulating device
08/21/2013CN103259277A Three-phase load unbalance compensator
08/21/2013CN103259276A Automatic intelligent power distribution system and power distribution method
08/21/2013CN103259275A Interval oscillation damping method based on input signal switch of FACTS of WAMS and PSS
08/21/2013CN103259274A Multi-area interconnected power network ultra-high voltage tie line power control method and controller
08/21/2013CN103259273A A triggering system of thyristor switched capacitor valve set
08/21/2013CN103259272A Mine hoister alternating current electric control reactive compensation device
08/21/2013CN103259271A Large combined cycle set before-separation automatic idle work reducing method and control device
08/21/2013CN103259270A Enhanced high-speed lower-pass filtering method used for static synchronous compensator
08/21/2013CN103259269A Wind power plant reactive power optimization configuration method based on double-fed induction fan reactive power generating capacity
08/21/2013CN103259268A Microgrid reactive-voltage control device and control method thereof
08/21/2013CN103259267A Mold splitting type voltage control method for wind power plant cluster
08/21/2013CN103259266A Voltage vector stabilizer based on self-frequency synchronism and control method
08/21/2013CN103259265A Power network partitioning and detached island identification method of intelligent power distribution network based on reachability matrix
08/21/2013CN103259264A Workshop energy-saving burglar alarm
08/21/2013CN103259263A Electrical power system key node identification method based on active power load flow betweenness
08/21/2013CN103259262A Method for optimizing maintenance plan of electric power system comprising large-scale wind power
08/21/2013CN103259261A Load distribution method for multi-line power restoration after power distribution network fault
08/21/2013CN103259260A Connection plan compiling method used for meeting requirements for peak regulation
08/21/2013CN103259259A System and method of high voltage shunt reactor configuration restraining electromagnetic transient problem of 750kV multi-FACTS line
08/21/2013CN103259258A Micro-grid, micro-grid control method and control device
08/21/2013CN103256175A Wind energy utilization system
08/21/2013CN102427227B Quick correction decoupling power system state estimating method considering zero injection constraint
08/21/2013CN102420430B Voltage and damp coordinated control method for dynamic reactive power compensation device
08/21/2013CN102403718B Generating method for power grid topological relationship based on Arcgis
08/21/2013CN102386627B Control system and control method for dynamic reactive power compensator
08/21/2013CN102280886B Distribution transformer economy operation criterion algorithm system
08/21/2013CN102255320B Voltage reactive real-time control system of regional power grid and enclosed loop control method thereof
08/21/2013CN102157931B Method and system for detecting conflict between blackout request and power protection request in power grid
08/21/2013CN101689825B Wind energy device, wind energy generation farm and method for operating same
08/21/2013CN101615801B VQC optimization control method by adopting inverse time-delay operation curve mode
08/21/2013CN101615797B Parameter optimization method for comprehensive automation system VQC of transformer station
08/21/2013CN101615795B Method for determining setting parameter in VQC system
08/20/2013US8513834 Power supply apparatus and image forming apparatus
08/20/2013US8511576 Power management in energy buffered building control unit
08/20/2013CA2769079A1 Standalone alternative energy generator
08/20/2013CA2504440C Uninterrupted power supply with power-factor correcting bypass mode
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