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