Patents for H02J 3 - Circuit arrangements for ac mains or ac distribution networks (38,663)
12/2013
12/11/2013CN203339729U Photovoltaic power generation unit and photovoltaic power generation system
12/11/2013CN203339719U Wind-power-driven control system for multiple buildings
12/11/2013CN203339718U Photovoltaic power generation system
12/11/2013CN203339717U Factory production power grid capable of operation in grid-disconnection state
12/11/2013CN203339716U In-net-type peak clipping valley filling energy storage power supply device
12/11/2013CN203339715U Peak shifting and valley filling energy storage system and energy storage control device
12/11/2013CN203339714U 一种智能型低压无功补偿装置 An intelligent low-voltage reactive power compensation device
12/11/2013CN203339713U Static var generator SVG for inhibiting unbalanced load
12/11/2013CN203339712U 10KV system static var compensator
12/11/2013CN203339711U High-power filter compensation contactless switch
12/11/2013CN203339710U High-voltage filtering compensation controller with Bluetooth wireless CDMA (code division multiple access) function
12/11/2013CN203339709U Compound SVC (static var compensator) regulation device with low-voltage stepless regulation-type var compensation filtering function
12/11/2013CN203339708U Adjusting system for improving power factor
12/11/2013CN203339707U TSC-based hybrid low-voltage dynamic reactive power compensator
12/11/2013CN203339706U Low-voltage reactive-power compensation cabinet
12/11/2013CN203339705U Low-voltage reactive power compensation device
12/11/2013CN203339704U 400V electric power circuit reactive power compensation device
12/11/2013CN203339703U Mining explosion suppression type high voltage line automatic voltage regulation device
12/11/2013CN203339702U High-power filter module switch
12/11/2013CN203339701U Multi-target loss reduction device
12/11/2013CN203339700U Harmonic wave protector
12/11/2013CN203339699U Intelligent power distribution device
12/11/2013CN203339698U Power grid dispatching system
12/11/2013CN203339697U A grounding circuit of a unified power quality controller
12/11/2013CN203339696U Unified power quality controller for mixer control
12/11/2013CN103444040A Voltage rise suppression device and distributed power supply interconnection system
12/11/2013CN103444039A Energy consumption management
12/11/2013CN103444038A Management of energy supply for local energy transport network
12/11/2013CN103443984A Method and system for operating flow battery system based on energy costs
12/11/2013CN103443811A Energy consumption monitoring system, method, and computer program
12/11/2013CN103443640A Systems and methods for determining a power phase and/or a phase rotation
12/11/2013CN103441728A Controlling system and controlling method for IGBT type cascade speed control system active power filter
12/11/2013CN103441694A Large-power distribution type energy storage converter
12/11/2013CN103441667A Direct current control device applied to multilevel energy storage system
12/11/2013CN103441537A Method for optimizing and regulating and controlling active power of distributed wind power plant with energy storage power station
12/11/2013CN103441536A Local power supply dual-network distributed control system
12/11/2013CN103441535A Day-ahead power generation plan photovoltaic power generation receiving capability analysis method based on SCED
12/11/2013CN103441534A Strategy for controlling matching of traditional unit and energy storage system in AGC system
12/11/2013CN103441533A Temporary starting grid-connection method of small unit containing wind, water and fire power systems
12/11/2013CN103441532A Synchronization method for parallel-connection operation control of multiple energy storing devices of microgrid
12/11/2013CN103441531A Area high-permeability photovoltaic energy storage system and energy management method thereof
12/11/2013CN103441530A Wind power generating device group high and low voltage crossing device, system and method
12/11/2013CN103441529A Variable-speed wind turbine generator inertia response simulating control method
12/11/2013CN103441528A Converter topological structure for doubly-fed wind generating set
12/11/2013CN103441527A Wind electricity connection system model based on measured data
12/11/2013CN103441526A Grid-connected off-grid small photovoltaic power generation system and control method
12/11/2013CN103441525A Intrinsically-safe photovoltaic grounding system
12/11/2013CN103441524A Variable speed wind turbine generator frequency control method based on dynamic standby power
12/11/2013CN103441523A New energy power generation comprehensive experiment device of novel modularization common direct current bus
12/11/2013CN103441522A Method for automatically regulating active output of draught fans in wind power plant
12/11/2013CN103441521A Elevator energy recovery ensuring system
12/11/2013CN103441520A Micro-grid distribution type new energy storage system
12/11/2013CN103441519A Building energy storage emergence energy-saving system
12/11/2013CN103441518A Three-phase load flow distribution determining method on single-phase load and inter-phase load mixed situation
12/11/2013CN103441517A Smoothing method for power fluctuation of offshore renewable energy source integrated power generation system
12/11/2013CN103441516A Method for determining electrical power system weak nodes or branches based on centralized wind power station
12/11/2013CN103441515A Reactive power compensation device
12/11/2013CN103441514A Reactive compensation capacitor bank synchronous switching device
12/11/2013CN103441513A Assembling high-voltage high-capacity power capacitor
12/11/2013CN103441512A Reactive compensation (MMC-STATCOM) method based on modular multi-level converter
12/11/2013CN103441511A Intelligent low-voltage dynamic-compensation energy-saving filtering device
12/11/2013CN103441510A Regional power grid reactive power optimization method relating to flexible HVDC system
12/11/2013CN103441509A Reactive power compensation cabinet and control method
12/11/2013CN103441508A Multipurpose low-voltage intelligent capacitor
12/11/2013CN103441507A Control method of cascade STATCOM on unbalanced working condition
12/11/2013CN103441506A Method for multi-target coordination reactive power optimization control of distributed wind farm in different time scales
12/11/2013CN103441505A Wind-powder-based electric power quality cascade compensation method and device
12/11/2013CN103441504A Series compensation low-voltage ride-through device with self-charging function and control method thereof
12/11/2013CN103441503A 110kV transformer substation looping-in looping-out wiring power distribution network structure
12/11/2013CN103441502A Parallel single-phase H-bridge cascade type active electric power filter control device and method thereof
12/11/2013CN103441501A Method for achieving arc suppression coil function by using high-voltage cascading type SVG
12/11/2013CN103441500A Low-power-consumption passive harmonic filter
12/11/2013CN103441499A Linearization feedback neural sliding-mode control method for three-phase parallel-connection active power filter
12/11/2013CN103441498A Power utilization adjustment method based on power utilization characteristic data
12/11/2013CN103441497A Static equivalence method of external network in interconnected power grid
12/11/2013CN103441496A MATLAB-based electric-power-system load-flow calculation method
12/11/2013CN103441495A Identification method and system of element parameters and power correction factors of electric power system
12/11/2013CN103441494A Intelligent power grid system based on non-grid-connection multiple-energy-source collaborative power supplying
12/11/2013CN103441493A Method for automatically selecting key sections on load side of electrical partition of power grid
12/11/2013CN103441492A Frequency modulation feedback Nash equilibrium control method based on coevolution algorithm
12/11/2013CN103441487A Method for making high-voltage side group valve put into operation and go out of operation
12/11/2013CN103151785B Multi-converter parallel circulating current restraining method with quick and reactive support
12/11/2013CN102570449B Regional wind power prediction method based on spatial and temporal distribution characteristics
12/11/2013CN102545213B System and method for managing line loss of power grid in real time
12/11/2013CN102510101B Combined heat and power dispatching system comprising back-pressure type cogeneration unit and dispatching method thereof
12/11/2013CN102510097B Back pressure type cogeneration and straight condensing thermal power combined dispatching system and method
12/11/2013CN102510058B Intelligent power network controller and working method thereof
12/11/2013CN102506519B Heat and power cogenerator unit and wind power generator unit combined heat supply system and scheduling method thereof
12/11/2013CN102496928B Power distribution network automation analysis method
12/11/2013CN102354995B Control method and control system for VQC (voltage quality control) of transformer substation
12/11/2013CN102299525B Hybrid control device for grid-connected photovoltaic power generating system and control method of hybrid control device
12/11/2013CN102299515B Novel active power filter (APF) switching control method based on hybrid system theory
12/11/2013CN102280876B Method and device for preprocessing load plan of offshore power grid power station
12/11/2013CN102244390B Smooth energy storage system capacity optimization method for microgrid junctor power fluctuation
12/11/2013CN102204057B 无功功率优化 Reactive Power Optimization
12/11/2013CN101809839B Controlling distribution of electrical power
12/11/2013CN101777763B Three-phase power equipment digital decoupling monitoring system and control method
12/10/2013US8606417 Electricity market-oriented DC-segmentation design and optimal scheduling for electrical power transmission
12/10/2013US8605845 Adaptive phase-shifted synchronization clock generation circuit and method for generating phase-shifted synchronization clock
12/10/2013US8604642 Power supply switching system
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