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)
11/2012
11/28/2012EP2526603A2 Load control module for a generator and method of operation
11/28/2012EP2337179B1 Feeding electrical energy of distributed energy sources into an alternating current network
11/28/2012CN202565210U High-capacity motor soft starting device having power grid reactive power compensation function
11/28/2012CN202565033U Machine set telecontrol system
11/28/2012CN202564971U Energy regeneration system of frequency converter aging test link
11/28/2012CN202564970U Agricultural greenhouse photovoltaic generating station device
11/28/2012CN202564969U Variable speed constant frequency double-rotor permanent magnetic wind generator grid combination control system
11/28/2012CN202564968U Small micro-grid system model design
11/28/2012CN202564967U Single-stage grid-connected inverter system for photovoltaic power generation
11/28/2012CN202564966U Photovoltaic system
11/28/2012CN202564965U Circuit topology structure of energy accumulation system
11/28/2012CN202564964U Multi-function energy storage equipment
11/28/2012CN202564963U Modularity movable type energy storage device
11/28/2012CN202564962U Three-phase three-wire unbalanced load compensation device
11/28/2012CN202564961U European box-type transformer reactive power compensation device
11/28/2012CN202564960U SVG line-in reactor
11/28/2012CN202564959U Charging loop of power unit in-parallel transformer multiplex SVG
11/28/2012CN202564958U Reactive compensation device for electric carry-scraper
11/28/2012CN202564957U Capacitor platform of series compensated device
11/28/2012CN202564956U Automatic reactive power compensator for low-voltage line
11/28/2012CN202564955U Static synchronous compensator of compact layout structure
11/28/2012CN202564954U MCR soft start and SVC dynamic reactive power compensation device
11/28/2012CN202564953U SVG voltage stability control structure
11/28/2012CN202564952U Anti-harmonic static energy-saving compensation system
11/28/2012CN202564951U Bipolar common-mode filter
11/28/2012CN202564950U Casting intermediate frequency furnace filter compensation system
11/28/2012CN202564949U Mutual-standby protection type electric energy quality control device
11/28/2012CN202564948U Main module for active filter
11/28/2012CN202564947U Active electric power filtering device
11/28/2012CN202564946U Main controller for active filter
11/28/2012CN202564945U Slave module used for active filters
11/28/2012CN202564944U Compensation power network equivalent circuit
11/28/2012CN202564943U Micro electric network system
11/28/2012CN202564942U Bidirectional power line dynamic capacity boosting realization device based on intelligent electrical network
11/28/2012CN202564803U Intelligent reactive compensation cabinet
11/28/2012CN102804580A An arrangement for exchanging power
11/28/2012CN102804548A Public power source system
11/28/2012CN102804540A 配电系统 Distribution system
11/28/2012CN102804539A System and method for supplying electric power to an aircraft
11/28/2012CN102801350A H-bridge photovoltaic grid-connected inverter
11/28/2012CN102801201A Automatic photovoltaic charging post control system
11/28/2012CN102801187A Electric vehicle charging system employing joint power generation and supply of a plurality of energy sources
11/28/2012CN102801183A Low voltage ride through control method of electric excitation wind power generation system
11/28/2012CN102801182A Topological structure using distributed wind farm grid-connected control
11/28/2012CN102801181A Power coordination control method based on direct-drive wind-turbine-generator wind farm
11/28/2012CN102801180A Parameter identification method for micro-grid synchronization equivalent model
11/28/2012CN102801179A Photovoltaic grid-connected micro-inverter system
11/28/2012CN102801178A Direct-current transmission additional control method in frequency domain analysis
11/28/2012CN102801177A Methods and systems for direct current power transmission
11/28/2012CN102801176A Method and apparatus for controlling a DC-transmission link
11/28/2012CN102801175A PSS (Power System Stabilizer) phase compensation link time constant calculation method
11/28/2012CN102801174A Main control module for low-voltage dynamic reactive harmonic comprehensive compensation device
11/28/2012CN102801173A Method for partitioning power network through dividing and merging based on electric characteristics
11/28/2012CN102801172A Three-loop control algorithm of static var generator
11/28/2012CN102801171A High-pressure smart flexible transmission parallel compensation equipment in microgrid and large power grid, and control method thereof
11/28/2012CN102801170A Reactive-voltage control method and system of regional power-grid substations
11/28/2012CN102801169A 无功补偿控制器 Reactive power compensation controller
11/28/2012CN102801168A Intelligent low-voltage dynamic reactive power compensation device for submerged arc furnace
11/28/2012CN102801167A Inverter hybrid short net power compensating and filtering device
11/28/2012CN102801166A Safely and economically coordinated automatic voltage control method based on cooperative game theory
11/28/2012CN102801165A Automatic voltage control method considering static security
11/28/2012CN102801164A Method for optimizing power generation amount of micro gas turbine in micro-grid operating in island mode
11/28/2012CN102801163A Determining method of control scheme of npc vsc and especially active power filter
11/28/2012CN102801162A Two-stage linear weighted least-square power system state estimation method
11/28/2012CN102801161A Full-automatic graphical power flow section representation method
11/28/2012CN102801160A Dynamic trend controller based on voltage magnitude and phase angle control and control method thereof
11/28/2012CN102801159A Topological graph obtaining method and device of single line
11/28/2012CN102801158A Method for calculating time-lag electric power system eigenvalue and discriminating stability based on Pade approximation
11/28/2012CN102801157A Wind and photovoltaic complementary power generation system reliability evaluation method based on Copula theory
11/28/2012CN102801156A System state arithmetic device, method and system, system control device and method, and power distribution trend simulation device and method
11/28/2012CN102801155A Single-phase power-saving project
11/28/2012CN102801154A Method and device for extracting backbone topology structure of power grid
11/28/2012CN102801145A System electricity-saving appliance
11/28/2012CN102801141A Parallel-connection settable hardware protection device for active power filter (APF)
11/28/2012CN102797637A Wind-driven generator with micro-power consumption
11/28/2012CN102118032B SVC reactive prediction and compensation method for rectifier load
11/28/2012CN102055196B 10 kv-distribution network reactive power compensation optimization method in power system
11/28/2012CN102055195B Method for controlling reactive voltages of transformer substation based on magnetic control reactor (MCR)
11/28/2012CN101976851B Method for improving wireless internet stability of multiple inverters in microgrid by utilizing virtual impedance
11/28/2012CN101969208B Method for inhibiting subsynchronous resonance of wind power system
11/28/2012CN101950976B Grid-connected operation method of grid-connected type photovoltaic inverter
11/28/2012CN101950971B Reactive power optimization method of enterprise distribution network based on genetic algorithm
11/28/2012CN101872975B Self-adaptive dynamic equivalence method for transient rotor angle stability online analysis of power system
11/28/2012CN101867183B Method for calculating interactive-influenced electricity transmission limit with multiple sections and stable transmission level
11/28/2012CN101789607B Computing method for improving small signal stability and providing aid decision making
11/28/2012CN101764413B System simulation method for connecting large-scale wind power into power grid in centralization way
11/28/2012CN101738526B Direct current output voltage test circuit for power factor correction control circuit
11/28/2012CN101710720B AC-AC frequency-conversion wind power generating system for semi-direct driving sub-intermediate speed cage type rotor
11/28/2012CN101689759B Transformation device for automatically adjusting voltage of three-phase power supply
11/28/2012CN101657945B Flux control system for active voltage conditioning
11/28/2012CN101647188B Method and arrangement to reverse the power flow of a direct current power transmission system
11/28/2012CN101512865B Power transmission system and method for controlling power flow in the power transmission system
11/28/2012CN101421684B Power converting device, and control method therefor
11/28/2012CN101373897B Control method for double closed-loop cascade in synchronous revolution coordinates system
11/27/2012US8321073 Aircraft galley systems and methods for managing electric power for aircraft galley systems
11/27/2012US8321064 Grid interconnection device, grid interconnection system, and power control system
11/27/2012US8319375 Power supply system and electronic instrument
11/27/2012US8319373 System, socket and plug apparatus for DC power distribution and usage
11/27/2012US8319372 EIB protocol in an integrated power distribution system
11/27/2012US8319371 Electronic device
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