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
11/27/2012CA2449792C Automatic power factor correction system
11/27/2012CA2385434C Control arrangement for power electronic system
11/22/2012WO2012156864A1 Cooking appliance
11/22/2012WO2012156156A1 Photovoltaic system
11/22/2012WO2012155494A1 Verifying method of optimal control parameter in whole network for automatic voltage control system
11/22/2012WO2012118810A3 Simultaneous detection of communications signals on all phases of a multi-phase power distribution network
11/22/2012WO2012118654A3 Photovoltaic energy extraction with multilevel output dc-dc switched capacitor converters
11/22/2012WO2012059366A3 Methods of operating dual fed systems
11/22/2012US20120296836 Power demand-supply system
11/22/2012US20120293004 Parallel running control apparatus for inverter generators
11/22/2012US20120292997 Network system and control method thereof
11/22/2012US20120292995 Synchronous switching power supply
11/22/2012US20120292992 Dual fuel system and method of supplying power to loads of a drilling rig
11/22/2012US20120292991 Combination GFCI/AFCI Receptacle with Class 2 Power Units
11/22/2012DE102011101894A1 Spannungsabhängige Betriebsfreigabe Voltage-dependent operation enable
11/21/2012EP2525471A1 Auxiliary power supply device of home appliances using smart grid
11/21/2012EP2525470A1 Demand/supply control device, demand/supply control method, and demand/supply control system
11/21/2012EP2525465A2 Electric vehicle profiles for power grid operation
11/21/2012EP2525464A1 Control method for low voltage ride through
11/21/2012EP2525463A2 Reducing demand/response effects implementing volt/VAR control
11/21/2012EP2525462A2 Demand response management system and method with VAR support
11/21/2012EP2525461A2 Wireless power receiver and method for controlling the same
11/21/2012CN202550961U Frequency conversion energy-saving device of low-voltage three-phase asynchronous motor control system
11/21/2012CN202550912U DC-AC output unit of discharge module
11/21/2012CN202550691U Ageing induction system for electromagnetic heating products
11/21/2012CN202550588U Small power grid and large power grid grid-connected intelligent control system
11/21/2012CN202550587U Direct drive type grid-connected wind generating set
11/21/2012CN202550586U Switches and dynamic resistors for low-voltage ride through of double-fed-type wind driven generator set
11/21/2012CN202550585U Photovoltaic grid-connected inverter circuit
11/21/2012CN202550584U Unified power flow controlled based on H bridge modules
11/21/2012CN202550583U Simulation device for power-grid-side frequency converter
11/21/2012CN202550582U Doubly-fed wind generator unit
11/21/2012CN202550581U Asynchronous constant speed wind generation set device
11/21/2012CN202550580U Permanent-magnet directly-driving wind turbine generator unit device
11/21/2012CN202550579U Heat dissipation system applied to outdoor photovoltaic grid-connected inverter
11/21/2012CN202550578U Remote servo controlled solar photovoltaic grid-connected power generation device
11/21/2012CN202550577U Electric power rectification and transformation system with energy feedback
11/21/2012CN202550576U Power conversion system and electric power system used for photovoltaic power
11/21/2012CN202550575U Commutation failure prediction controller
11/21/2012CN202550574U Voltage regulator
11/21/2012CN202550573U Contravariant side maximum phase change margin controller
11/21/2012CN202550572U Valve bank controller
11/21/2012CN202550571U Voltage and frequency-stabilizing device for drilling energy-saving power generator
11/21/2012CN202550570U Controllable bi-directional energy control device
11/21/2012CN202550569U Wind and light complementary energy storage power generation system
11/21/2012CN202550568U Optimization device for dynamic energy balancing system
11/21/2012CN202550567U Intelligent display energy saver
11/21/2012CN202550566U Voltage-regulating type intelligent reactive compensation complete device used in transformer substation
11/21/2012CN202550565U Intelligent voltage regulating grouping reactive power compensation complete set for substation
11/21/2012CN202550564U Smelting low-voltage dynamic reactive power compensation device of submerged arc furnace
11/21/2012CN202550563U Automatic power grid voltage reactive power control system for hydraulic power plant
11/21/2012CN202550562U Low-voltage reactive power static compensation device
11/21/2012CN202550561U Grouped compensation control loop of single-phase capacitor
11/21/2012CN202550560U Capacitor switching switch with over-current protector
11/21/2012CN202550559U Static var compensator (SVC)
11/21/2012CN202550558U Plant-level load optimizing distribution testing device of thermal power plant
11/21/2012CN202550557U Voltage quality regulation device of split-phase energy storage device without series transformers
11/21/2012CN202550556U Composite electric energy quality control device
11/21/2012CN202550555U Passive filter with combination of mismatching compensation and tuning filtering
11/21/2012CN202550554U Harmonic wave generating system
11/21/2012CN202550553U Reactance filtering electricity-saving appliance
11/21/2012CN202550552U Novel power filter
11/21/2012CN202550551U Novel triangular power filter
11/21/2012CN202550550U Novel star-shaped power filter
11/21/2012CN202550549U Device for regulating quality of comprehensive overcurrent protection voltage
11/21/2012CN202550548U Voltage quality regulating device
11/21/2012CN202550547U Device for regulating quality of comprehensive overcurrent protection current
11/21/2012CN202550546U Mutual backup protection type voltage quality adjusting device
11/21/2012CN202550545U Three-phase miniwatt electromagnetic-interference power filter
11/21/2012CN202550544U Three-phase filter inductor
11/21/2012CN202550543U Floating frequency difference adjustment and speed variable load instruction modification-based primary frequency modulation device
11/21/2012CN202550542U Weekly current-limiting protection current quality regulating device
11/21/2012CN202550541U Two-stage-coupled adjusting and controlling system for electric energy quality
11/21/2012CN202550540U Electric energy quality control device without series transformer of split-phase energy storage device
11/21/2012CN202550539U Cycle-by-cycle current-limiting protection voltage quality regulation device
11/21/2012CN202550538U Cycle-by-cycle overcurrent limiting protection electric energy quality control device
11/21/2012CN202550537U Unified power flow controller with circuit breakers
11/21/2012CN202550536U Experimental apparatus of unified power flow controller ( UPFC) formed by two PWM (pulse width modulation) converters
11/21/2012CN202550535U Current quality adjustment device
11/21/2012CN202550534U Comprehensive overcurrent protection power quality control device
11/21/2012CN202550533U Device for regulating quality of dual active protective current
11/21/2012CN202550532U Intelligent microgrid power supply system
11/21/2012CN202549542U Amorphous alloy dry-type transformer capable of regulating capacitance and connection groups in no-load state
11/21/2012CN202548611U Micro grid control system with functions of power generation and load prediction
11/21/2012CN202545118U Double-fed wind generation set
11/21/2012CN102792581A Wind power generation system and wind power generation apparatus
11/21/2012CN102792551A 能量管理系统 Energy management system
11/21/2012CN102792545A Solar power generation system and feeding system
11/21/2012CN102792544A Static var compensator with multilevel converter
11/21/2012CN102792543A Electric power supply system
11/21/2012CN102792542A Device for prediction of electricity generation amount, method for same, and program for same
11/21/2012CN102790406A Doubly-fed converter with reliable low-voltage ride-through capacity
11/21/2012CN102790405A Device and method for controlling magnetizing inrush current through wave chopping and voltage regulating
11/21/2012CN102790404A Doubly-fed wind generation set with low-voltage ride-through function
11/21/2012CN102790403A Multi-STATCOM damping controller design method
11/21/2012CN102790402A Fan selecting method for grid connection point voltage of wind power farm
11/21/2012CN102790401A Method for inhibiting fluctuation of random power of alternative-current junctor
11/21/2012CN102790400A Reactive negative sequence current mixed synergic control device and method for electrified railway
11/21/2012CN102790399A Power grid reactive power compensation method and device and grid-connected inverter
11/21/2012CN102790398A Method for determining total reactive power control capability of grid-connected point in wind farm
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