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)
02/2014
02/19/2014CN103595067A Distributed power generation system with safety control
02/19/2014CN103595066A Voltage control and phase shift compensation method for three-phase grid connection current transformer under power grid failure conditions
02/19/2014CN103595065A Method for designing grid-connected stability of large-scale photovoltaic power station based on power grid impedance
02/19/2014CN103595064A Expansion double-electrode direct current transmission system
02/19/2014CN103595063A Energy storage converter and battery energy storage system of energy storage converter
02/19/2014CN103595062A Generator wide area damping control method based on model-free adaptive control algorithm
02/19/2014CN103595061A Enterprise power grid reactive power optimization method and system based on comprehensive benefit analysis
02/19/2014CN103595060A Intelligent capacitor system based on CAN communication and main and slave discriminating method thereof
02/19/2014CN103595059A Reactive compensation device of 10kV line
02/19/2014CN103595058A Method for determining capacity of reactive power compensation device of refining furnace
02/19/2014CN103595057A Control system of chained reactive power compensation device
02/19/2014CN103595056A Intelligent capacitor
02/19/2014CN103595055A Control method for converting independent operation states of two transformers in double-transformer system
02/19/2014CN103595054A Fault power supplying recovering method applied to single busbar voltage failure
02/19/2014CN103595053A Optimization generator tripping method of power grid stability strategy on basis of capacity proximity principle
02/19/2014CN103595052A Method for stably controlling switchover from micro-grid connection into island state
02/19/2014CN103595051A Harmonic current tracking control method for active power filter
02/19/2014CN103595050A Method for controlling active power filter through model reference self-adaption fuzzy control
02/19/2014CN103595049A Single-tuning power grid low-frequency inter-harmonic passive power filter
02/19/2014CN103595048A Mixed induction type active electric power filter system
02/19/2014CN103595047A A potent power supply filter
02/19/2014CN103595046A Load-frequency control method for wind-diesel hybrid electric power system mainly relying on diesel engine side
02/19/2014CN103595045A Load frequency coordination control method of fan-participated frequency modulation wind-diesel hybrid power system
02/19/2014CN103595044A Diesel power generation system applied to isolated sea island micro-grid
02/19/2014CN103595043A Electric power system dynamic stability evaluating method based on wide area measurement
02/19/2014CN103595042A Method and device for determining constrained utilization maximal estimation of electric line and margin of constrained utilization maximal estimation
02/19/2014CN103595041A Monitoring device for rapid load reduction of power plant set and method thereof
02/19/2014CN103595040A Power distribution network comprising direct-current distributed power supply and analysis method of comprehensive load characteristics of power distribution network
02/19/2014CN103595039A Distributed loop closing risk analysis method for power grid system
02/19/2014CN103594222A Transformer pre-magnetizing device and pre-magnetizing method thereof
02/19/2014CN103593507A Automatic intelligent central deloading method for power grids
02/19/2014CN103236717B Synchronous reference voltage based multiple PWM (pulse width modulation) converter parallel operation control method
02/19/2014CN102709921B Control method of low-voltage reactive compensation device
02/19/2014CN102684223B Optimized evaluating method for wind power output under multi-constraint condition for reducing transmission loss
02/19/2014CN102684222B Method for smoothly controlling wind power generation power based on energy storage technology
02/19/2014CN102611124B Primary frequency regulation control method applicable to thermal generator set of intelligent power grid
02/19/2014CN102518560B Method for regulating active power of wind power field
02/19/2014CN102510069B Energy saving type control method of composite switch and energy saving type composite switch
02/19/2014CN102506451B Heat and power cogeneration system comprising wind power and fuel gas combined-cycle unit , and heat and power cogeneration method
02/19/2014CN102483635B 引擎系统 Engine Systems
02/19/2014CN102368617B Storage battery control method smoothing power fluctuation based on wind power prediction and system thereof
02/19/2014CN102289223B Method for AVC (Automatic Voltage Control) system to verify power network global optimal control parameters
02/19/2014CN102203897B System and method for energy optimisation in photovoltaic generators
02/19/2014CN102144344B Intelligent energy management architecture
02/19/2014CN102142682B Method for calculating sensitivity of branch breakage based on direct-current flow model
02/19/2014CN102084569B Method and system for managing a power grid
02/19/2014CN102074954B Comprehensive energy-conservation evaluation and decision-making method for urban and rural distribution network
02/19/2014CN102035202B Network reconfiguration system
02/18/2014US8653694 Junction box
02/18/2014US8653692 Dynamic load shedding system for a standby generator
02/17/2014DE202012012848U1 Vorrichtung mit mehreren Windkraftanlagen Device with several wind turbines
02/15/2014CA2822942A1 Alternative power converter system
02/13/2014WO2014024871A1 Management system, management method, control device, and photovoltaic cell device
02/13/2014WO2014024870A1 Management method, control device, and electrical storage device
02/13/2014WO2014024841A1 Management system, management method, control device, and power storage device
02/13/2014WO2014024731A1 Linkage system switching device and power control system
02/13/2014WO2014024456A1 Energy management device, energy management system and method for controlling energy management system
02/13/2014WO2014024443A1 Household electrical appliance and household electrical system
02/13/2014WO2014024252A1 Hydropower automated-control system
02/13/2014WO2014024200A1 Device for generating electricity by harnessing solar energy and method thereof
02/13/2014WO2014023792A2 Method for limiting the loading of electrical power transmission networks
02/13/2014WO2014023724A2 Photovoltaic storage system
02/13/2014WO2014023352A1 Method and device for managing of energy consumption in a home automation system
02/13/2014WO2014023334A1 Method and device for controlling a multilevel converter
02/13/2014WO2014023331A1 Chain- link converter system with different dc- sources and method for operation
02/13/2014WO2014023209A1 Environment-friendly elastic energy storage power station
02/13/2014WO2014022929A1 Use of distributed generator (dg) inverters as statcoms for decreasing line losses
02/13/2014WO2013131115A3 Method and inverter for feeding power from photovoltaic modules into a supply network
02/13/2014WO2013075863A3 Battery module string
02/13/2014US20140042991 Power conditioning and saving device
02/13/2014US20140042817 Method and apparatus for bypassing cascaded h-bridge (chb) power cells and power sub cell for multilevel inverter
02/13/2014US20140042813 System, apparatus and method for uninterruptible power supply
02/13/2014DE102012107348A1 Verfahren zur Begrenzung der Belastung von Stromübertragungsnetzen A method of limiting the load of the electricity transmission networks
02/13/2014DE102011002842B4 Simulationsmodell für eine Windenergieanlage sowie Erzeugung und Verwendung Simulation model for a wind turbine as well as production and use
02/12/2014EP2696464A1 Photovoltaic power plant
02/12/2014EP2696463A2 Wind power generation system, wind power generation control device and wind power generation control method
02/12/2014EP2696462A2 Methods and systems for controlling a power converter
02/12/2014EP2696070A1 Apparatus for controlling wind power generation apparatus, wind power generation apparatus, wind farm, and method for controlling wind power generation apparatus
02/12/2014EP2695502A1 Power switchgear cabinet of a device for producing electric energy
02/12/2014EP2695501A1 Switchgear cabinet arrangement of a device for producing electric energy
02/12/2014EP2695276A2 Power-supply system for railway signalling devices
02/12/2014EP2695275A1 Drive chain comprising a doubly-fed electric machine and an inverter controlled according to a law limiting the delivered active power
02/12/2014EP2695274A1 Drive chain comprising a doubly-fed electric machine and a band-stop filter connected between an inverter and the rotor of the machine
02/12/2014EP2695273A1 Modular multilevel converter with cell - connected battery storages
02/12/2014EP2695272A1 Controlling device and method for controlling power consumption in a system of power consuming devices
02/12/2014EP2695271A1 Device and method for adjusting electricity consumption of a plurality of lighting devices of a lighting system
02/12/2014EP2695270A1 Optimized load management
02/12/2014EP2695269A1 Optimized load management
02/12/2014EP2694987A1 Systems and methods for determining a power phase and/or a phase rotation
02/12/2014EP2670033A9 Starting of photovoltaic system
02/12/2014CN203434921U Solar photovoltaic power generation system
02/12/2014CN203434752U Remote intelligent control system for capacitor complete device
02/12/2014CN203434640U Multi-source complementary intelligent microgrid system based on alternating current bus
02/12/2014CN203434639U Grid-connected control device of wind turbine generator
02/12/2014CN203434638U Solar cell grid-connected power generation system
02/12/2014CN203434637U Energy storage system
02/12/2014CN203434636U Three-phase-unbalance-current automatic balancing device applicable to new-energy low-voltage grid connection
02/12/2014CN203434635U Novel three-phase phase-controlled switch used for stabilizing voltage of power grid of power supply system
02/12/2014CN203434634U Intelligent thyristor power module
02/12/2014CN203434633U SVG power module based on heat pipe radiator
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