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)
04/2014
04/02/2014CN203522211U Solar energy grid-connected power generation system
04/02/2014CN203522210U Wind/ luminous/electric integrated centralized energy storage type electric vehicle charging system
04/02/2014CN203522209U Distribution transformer three-phase load intelligent balance system
04/02/2014CN203522208U Spring-tube type capillary temperature and pressure meter
04/02/2014CN203522207U GPRS network-based distribution network line state sensing system
04/02/2014CN203522206U Static synchronous compensator for non-linear load of wind generating set
04/02/2014CN203522205U Double-switching capacitance compensating device
04/02/2014CN203522204U Continuous switching TSC module for unbalanced load compensation between phases
04/02/2014CN203522203U Trigger pulse string driving circuit
04/02/2014CN203522202U Phase-locked controller for reactive power adjusting device
04/02/2014CN203522201U SVG structure for low-voltage reactive compensation device
04/02/2014CN203522200U Current detection structure for reactive power adjusting device
04/02/2014CN203522199U Capacitor cabinet frame for high-voltage capacitor compensation device
04/02/2014CN203522198U Charging device in intensive type SVG system
04/02/2014CN203522197U Reactive power compensation cabinet
04/02/2014CN203522196U Low-voltage reactive compensation cabinet
04/02/2014CN203522195U High-voltage contactless switch
04/02/2014CN203522194U Electromagnetic voltage regulator
04/02/2014CN203522193U Voltage stabilizing system for parallel operation of asynchronous generator set
04/02/2014CN203522192U Automatic, reactive and comprehensive voltage monitoring system for wind farm
04/02/2014CN203522191U Potential device with automatically-adjusted capacity according to load size
04/02/2014CN203522190U Rural power line voltage flexible compensation apparatus based on multi-winding transformation
04/02/2014CN203522189U Small-size electric network power unidirectional flow control device
04/02/2014CN203522188U Treatment device for harmonic pollution in power distribution network
04/02/2014CN203522187U Single-phase nonlinear-load harmonic suppression device
04/02/2014CN203522186U Large-capacity electric-power active filter
04/02/2014CN203522185U Control system for active power filter
04/02/2014CN203522184U Drag suction dredger power distribution system taking axle generator as main power supply
04/02/2014CN203522183U Common power station type distribution system for electric power propulsion trailing suction hopper dredger
04/02/2014CN203522182U Medium voltage station service system in auxiliary engine single-row configuration of two units in thermal power plant
04/02/2014CN203522181U Fuel gas marine shore power system
04/02/2014CN203522180U Wire connection type for 10 kV power distribution network
04/02/2014CN203522179U Power grid structure applicable to urban centers
04/02/2014CN203521107U Parallel controllable reactance device
04/02/2014CN203518276U Solar and wind power generation water heating device
04/02/2014CN103703653A Switching apparatus, control system and method for varying impedance of phase line
04/02/2014CN103703648A Power management system and management method
04/02/2014CN103703647A Power line communication device, solar power generation system, power line communication method, and power line communication program
04/02/2014CN103703646A Fault diagnosis method, grid-interconnected device, and control device
04/02/2014CN103703645A Control system for photovoltaic power plant
04/02/2014CN103703644A High power photovoltaic plant for generating energy
04/02/2014CN103703643A Power system voltage stabilizer and stabilization method
04/02/2014CN103701190A Three-phase four-wire high-frequency uninterrupted power supply (UPS) and method for reducing neutral-ground voltage by using same
04/02/2014CN103701155A Active scheduling control method of photovoltaic grid-connected inverter
04/02/2014CN103701154A Automatic power generating control target command receiving system of grid combined power generator set
04/02/2014CN103701153A Auxiliary decision-making method for grid pre-adjustment
04/02/2014CN103701152A Method and system for obtaining flicker transmission coefficient of grid connection of photovoltaic power stations
04/02/2014CN103701151A Software control method for solving low energy input and repeated starting of single-phase photovoltaic inverter
04/02/2014CN103701150A Multi-unit parallel circuit, power supply system and voltage regulation method
04/02/2014CN103701149A Wind power generator grid fault ride-through device and method thereof
04/02/2014CN103701148A Starting control method for large-size wind power plant access VSC-MTDC (voltage source converter based multi-terminal direct-current transmission) system
04/02/2014CN103701147A Double-fed unit fault ride-through method based on rotor series resistance
04/02/2014CN103701146A Method for improving direct current transmission capacity of direct current fault steady-state voltage constraint
04/02/2014CN103701145A Mixed MMC-based mixed direct current power transmission system
04/02/2014CN103701144A Power distribution method for hybrid energy storage system
04/02/2014CN103701143A Energy storage configuration method for smoothing power fluctuation of wind and photovoltaic power storage system
04/02/2014CN103701142A Active power distributing network real-time reactive power-voltage control method considering discrete control variable
04/02/2014CN103701141A Novel multifunctional coding switch
04/02/2014CN103701140A Dynamic reactive power reserve optimization method for improving transient voltage stability of alternating-current and direct-current power grid
04/02/2014CN103701139A Access system for static var generator
04/02/2014CN103701138A Multi-column body-controllable parallel reactor device
04/02/2014CN103701137A Low voltage dynamic reactive power compensation device
04/02/2014CN103701136A Automatic reactive compensation intelligent power distribution transformer
04/02/2014CN103701135A Intelligent series compensation device for distribution network and use method of compensation device
04/02/2014CN103701134A Grid-connected wind power plant point voltage control method based on MCR (Magnetic Control Reactor) and capacitance mixed compensation
04/02/2014CN103701133A Reactive power control method for high-voltage direct current transmission system under low-power running condition
04/02/2014CN103701132A Method for controlling overvoltage of active power distribution network on basis of active-reactive coordination
04/02/2014CN103701131A Topological structure and control method of improved SEN transformer
04/02/2014CN103701130A Hysteresis control method of three-phase four-switch-type active filter
04/02/2014CN103701129A Distribution transformer negative-sequence current control device and method
04/02/2014CN103701128A LCL parallel resonance restraining method and inverter
04/02/2014CN103701127A Novel active power filtering device and control method thereof
04/02/2014CN103701126A Three-phase five-wire system harmonic protector
04/02/2014CN103701125A Flexible power flow algorithm for power distribution network based on sequential quadratic programming method
04/02/2014CN103701124A Small interfering assistant decision-making optimization method based on parallel computing platform
04/02/2014CN103701123A Gauss-Seidel three-phase load flow calculation method applied to un-grounded distribution network
04/02/2014CN103701122A Power grid topology analysis system based on incidence matrix and circuit matrix and method thereof
04/02/2014CN103701121A Analyzing system of high grid frequency time-space evolution process
04/02/2014CN103701120A Method for evaluating reliability of large power grid comprising wind power station
04/02/2014CN103701119A Method for processing non-convergence tide data on basis of regulation on reactive power
04/02/2014CN103701118A Micro-grid on-site operation control strategy on basis of embedded controller
04/02/2014CN103701117A Active distribution network dynamic topology reconstitution method based on mixed artificial intelligence
04/02/2014CN103701116A Novel intelligent electric quantity balance method adopting power real-time operation
04/02/2014CN103701115A Electric power system robust state estimation method formed by quadratic programming
04/02/2014CN103701114A Global interconnected power grid scheme
04/02/2014CN103701113A Power flow control device
04/02/2014CN103701112A System and method for identifying long/short-term weak links of power grid in running state
04/02/2014CN103699668A Power distribution network electric equipment combination state evaluation method based on data section consistency
04/02/2014CN102842904B Micro-grid collaborative frequency control method based on power shortage prediction and distribution
04/02/2014CN102664405B Method for estimating shortest radius of transient-state security domain
04/02/2014CN102664398B Maximum power supply capability computation method based on N-1 approximation
04/02/2014CN102593832B Three-wire DC microgrid system suitable for modern buildings and control method thereof.
04/02/2014CN102593828B Reliability assessment method for electric distribution network with WTG (wind turbine generator)
04/02/2014CN102545249B Dynamic balance energy system optimizing device
04/02/2014CN102510062B Improved space vector single period control method and device for active power filter
04/02/2014CN102437585B Ni-MH battery energy storage monitoring system
04/02/2014CN102394501B Energy-saving method and device based on power grid load dynamic balance
04/02/2014CN102361328B Wind and light complement distributed micro-grid system for comprehensively utilizing commercial power
04/02/2014CN102355140B Concatenated multilevel inverter circuit capable of realizing energy feedback and control method
04/02/2014CN102333670B Electric power regulating device for electric power feeding system
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