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)
03/2014
03/26/2014CN103683322A Off-network control method for micro-grid
03/26/2014CN103683321A Optimal output calculation method and optimal output calculation device for energy storage system for smoothening wind power fluctuation
03/26/2014CN103683320A Full-power network side frequency converter control method under the condition of asymmetric electrical network voltages
03/26/2014CN103683319A Grid connected inverter control method based on hysteresis modulation under unbalanced grid voltage condition
03/26/2014CN103683318A System and method for controlling dual-fed induction generator in response to high-voltage grid events
03/26/2014CN103683317A New type self-synchronization grid connection device
03/26/2014CN103683316A Wind power generation system with off-grid and grid-connection modes and working method thereof
03/26/2014CN103683315A Method and system for controlling hybrid energy storage type photovoltaic power generation
03/26/2014CN103683314A Photoelectricity and wind electricity generating and supplying system with data black box calf function
03/26/2014CN103683313A Photovoltaic inverter employing hybrid type power device
03/26/2014CN103683312A Integrated intelligent photovoltaic power generation component and method for energy conversion of a photovoltaic cell
03/26/2014CN103683311A Railway wind-power grid-connected generation system
03/26/2014CN103683310A Direct-current system switch function equivalence method applied to background harmonic analysis
03/26/2014CN103683309A Active power classified distribution method for hybrid energy storage system applied to micro-grid
03/26/2014CN103683308A Method for managing reserved electrical power and system thereof
03/26/2014CN103683307A New type series compensated line subsynchronous resonance damping and short-circuit current limiting device
03/26/2014CN103683306A Reactive power high-accuracy static compensation method
03/26/2014CN103683305A Enhanced type railway power regulation device
03/26/2014CN103683304A Control method for optimizing thyristor controlled transformer type controllable electric reactor
03/26/2014CN103683303A Portable reactive voltage in-place compensation device
03/26/2014CN103683302A Trigger circuit of direct light-triggered thyristor
03/26/2014CN103683301A Voltage control system and method for wind turbine generators
03/26/2014CN103683300A Dynamic STS reactive power compensation switching regulator
03/26/2014CN103683299A Branch load monitoring device for distribution transformer
03/26/2014CN103683298A Intelligent low-voltage voltage regulator
03/26/2014CN103683297A Electric energy quality integrated control circuit
03/26/2014CN103683296A Method and device for controlling 10KV line voltage
03/26/2014CN103683295A Voltage regulating device of power distribution network
03/26/2014CN103683294A Adjustable reactor type voltage regulating and stabilizing device
03/26/2014CN103683293A Harmonic selection and capacity limitation control method for active power filter
03/26/2014CN103683292A Parallel type quasi-proportional resonance active power filter and control method thereof
03/26/2014CN103683291A Active power filter and current control method thereof
03/26/2014CN103683290A Parallel connection type active power filter
03/26/2014CN103683289A Cophase power supply mode power quality integrated control system of LC coupling electric railway
03/26/2014CN103683288A Parallel active filter based on modularization multi-level converter and control method of parallel active filter
03/26/2014CN103683287A Harmonic-resistant capacitor box
03/26/2014CN103683286A Novel capacitor cabinet
03/26/2014CN103683285A Novel capacitor box
03/26/2014CN103683284A Three-phase imbalance three-phase imbalance method for power distribution network with distributed power supplies
03/26/2014CN103683283A Method and system for seamless switching of micro-grid system
03/26/2014CN103683282A Method for paralleling shutdown converter station again in multi-end flexible direct-current transmission system
03/26/2014CN103683281A Independent micro-grid coordination control method based on curve control
03/26/2014CN103683280A Additional emergency control method for security and stability of large power grid
03/26/2014CN103683279A Feed line capacitor configuration method applied to on-line loop closing trend optimization analysis
03/26/2014CN103683278A Power distribution network load calibration method applied to on-line loop closing trend optimization analysis
03/26/2014CN103683277A Calculation method for transient-stability load-shedding control validity evaluation indexes of power system
03/26/2014CN103683276A An intelligent static state switch, a control system thereof, and a fault monitoring method
03/26/2014CN103683275A Generating system
03/26/2014CN103683274A Regional long-term wind power generation capacity probability prediction method
03/26/2014CN103683273A Power load control method, control platform thereof, control terminal thereof and system thereof
03/26/2014CN103683252A Method and systems for operating a wind turbine using dynamic braking in response to a grid event
03/26/2014CN103651994A Controlled atmosphere low-temperature oil reservoir with photovoltaic power generation system
03/26/2014CN102751742B Method for improving grid-connected performance by variable switching frequency
03/26/2014CN102664422B Method for smoothing output power of wind power station by utilizing energy storage system
03/26/2014CN102664413B Method for controlling harmonic current of full-power converter for suppressing wind power grid integration and controller
03/26/2014CN102624017B Battery energy storage system peak clipping and valley filling real-time control method based on load prediction
03/26/2014CN102611112B Management system for optimizing and improving power quality of utility power grid
03/26/2014CN102593853B Energy storage system capacity configuration optimizing method capable of enhancing wind power receiving capacity
03/26/2014CN102570454B Simulation collocation method for oscillation disconnection device of power system
03/26/2014CN102545241B Multi-string SVC (Static Var Compensator) coordination control method
03/26/2014CN102522781B Method for participating area control error (ACE) control by uniformly modeling wind power plant and thermal power plant
03/26/2014CN102522773B Generating set control system used for power system dynamic simulation experiment
03/26/2014CN102522765B VSC-HVDC (Voltage Source Converter Based High Voltage Direct Current) flow computational method based on automatic differentiation
03/26/2014CN102510091B Coordinate control method suitable for real time scheduling and AGC (Automatic Gain Control) after large scale photovoltaic grid connection
03/26/2014CN102427237B Low-voltage reactive power compensation optimized switching controller and control method thereof
03/26/2014CN102427231B Mini-sized wind power generation intelligent control system and method
03/26/2014CN102315639B Method and system for adjusting load-bearing capacity of external communication channel of power grid supply region
03/26/2014CN102291078B Electric power generating system and control method thereof
03/26/2014CN102185513B Parallel structure and control method for photovoltaic power generation grid-connected inverter
03/26/2014CN102185310B Electric network power flow section visualization adjusting method based on transient stability calculation
03/26/2014CN102025156B Transformer rectifying system of reversible cold rolling mill
03/26/2014CN101548447B Determination and use of power system sensitivities for power flow control
03/25/2014US8680713 Over-voltage suppression apparatus
03/25/2014US8680709 Electrical system with circuit limiter
03/25/2014US8680708 Electronic apparatus
03/25/2014US8680706 Communicating over power distribution media
03/25/2014CA2734699C Power conversion apparatus
03/20/2014WO2014043016A1 Method and apparatus for bidirectional power production in a power module
03/20/2014WO2014042498A2 Method for supplying a stairway lighting circuit with ac power output by the building meters of each residential unit
03/20/2014WO2014042223A1 Power management method, power management device, and program
03/20/2014WO2014042219A1 Electric power management method, electric power management device and program
03/20/2014WO2014041724A1 Power transmission and distribution system, controller, router, power transmission and distribution method, and non-temporary computer-readable medium having stored program
03/20/2014WO2014041390A1 A system and method for voltage regulation in a voltage supply
03/20/2014WO2014041138A1 Electrical arrangement for connection to an infrastructure power supply and method
03/20/2014WO2014040601A2 A method of determining individual set points in a power plant controller, and a power plant controller
03/20/2014WO2014040600A2 Power plant control during a low voltage or a high voltage event
03/20/2014WO2013144272A3 Power management device for a rail vehicle
03/20/2014WO2013135777A3 Renewable energy unit having a simplified connector technology
03/20/2014US20140077751 Modular electrical energy production device
03/20/2014US20140077728 Control System for Use with One or More Building Power Circuits
03/20/2014US20140077607 Power distribution systems
03/20/2014US20140077600 System and method for controlling energy storage and distribution
03/20/2014US20140077590 Systems and methods to emulate high frequency electrical signatures
03/20/2014DE102012216675A1 Arrangement for current transmission between solar tracker and electricity main, has control unit to control solar tracker/solar modules, and cable to transmit first and second currents between solar tracker and power supply unit
03/20/2014DE102012216369A1 Elektrische einrichtung zum anschluss an ein infrastrukturstromnetz und verfahren Electrical device for connection to a power grid infrastructure and procedural
03/20/2014CA2877136A1 Method and apparatus for bidirectional power production in a power module
03/19/2014EP2709230A2 Power management control system and method
03/19/2014EP2709229A1 Power distribution systems
03/19/2014EP2709226A1 Circuit arrangement, and level converter and comparator circuit for the circuit arrangement
03/19/2014EP2708403A2 System and method for managing load on a power grid
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