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
03/19/2014CN102077437B Method and system for operating a wind power plant comprising a number of wind turbine generators
03/19/2014CN101749184B Control of the rotational speed of a wind turbine which is impeded to export electrical power to an electricity network
03/18/2014US8676394 Integrated demand response for energy utilization
03/18/2014US8676393 Power discovery and allocation within a power sharing group
03/18/2014US8675376 Power layer generation of inverter gate drive signals
03/18/2014US8674675 Electronic device for optimizing the output power of a solar cell and method for operating the electronic device
03/18/2014US8674556 Automatic variable power outlet for energy saving power source
03/18/2014US8674548 Inverters
03/18/2014US8674544 Methods and apparatus for power factor correction and reduction of distortion in and noise in a power supply delivery network
03/18/2014US8674543 Electronic device for controlling consumption power and method of operating the same
03/18/2014US8674539 Powerline communication power supply and modem interface mechanism
03/18/2014CA2467143C Electronic trading confirmation system
03/17/2014CA2826932A1 Power distribution systems
03/14/2014CA2826924A1 Circuit arrangement for connection to an electrical circuit and electrical circuit
03/13/2014WO2014039291A1 Tablet based distributed intelligent load management
03/13/2014WO2014039120A1 Photovoltaic system and method employing a number of maximum power point tracking mechanisms
03/13/2014WO2014038976A1 Static reactive power compensator
03/13/2014WO2014038966A1 Local demand side power management for electric utility networks
03/13/2014WO2014038861A1 System and apparatus for grid-connected inverter current control using odd harmonics elimination
03/13/2014WO2014038742A1 Apparatus and method for estimating section loads in power distribution system
03/13/2014WO2014038327A1 Consumer energy management device and system
03/13/2014WO2014038201A1 Demand response method and demand response control device
03/13/2014WO2014037583A2 Power distribution system for autonomous facilities
03/13/2014WO2014037297A1 Method for increasing the service life of the intermediate circuit capacitor of an electric system which has an inverter, electric system, and control unit for an electric system
03/13/2014WO2014037252A1 Control device for energy management
03/13/2014WO2014037190A2 Method to provide primary control power by an energy storage system
03/13/2014WO2013102849A3 Method and apparatus for pole-slip detection in synchronous generators
03/13/2014WO2013052392A3 Inverter line filter with additional dissipative high pass filter for dynamic break operation
03/13/2014WO2013025447A8 Rail based potential energy storage for utility grid ancillary services
03/13/2014WO2010057947A8 Computer-supported method for optimizing energy usage in a local system
03/13/2014US20140074311 Method and apparatus for damping power oscillations on an electrical grid using networked distributed energy storage systems
03/13/2014US20140070631 Electronic device for the connection of two or more loads to the alternating electrical network and the executed connection procedure
03/13/2014US20140070619 Method and apparatus for bidirectional power production in a power module
03/13/2014US20140070617 Method and apparatus for stabalizing power on an electrical grid using networked distributed energy storage systems
03/13/2014US20140070613 Electric power supply and related methods
03/13/2014DE102012110969A1 Dreiphasentransformatorsystem und Netz mit einem solchem Dreiphasentransformatorsystem Three-phase transformer system and network with such a three-phase transformer system
03/13/2014DE102012107346A1 Verfahren und Vorrichtung zur raumzeitlichen Steuerung der Elektroenergieaufnahme eines Telekommunikationsnetzes in Abhängigkeit von Zuständen des Energieversorgungssystems Method and device for spatial and temporal control of the electric energy consumption of a telecommunications network in dependence on states of the power supply system
03/13/2014DE102012023426A1 Elektrische Anordnung und elektrische Anlage mit einer elektrischen Anordnung Electrical assembly and electrical system with an electrical assembly
03/13/2014DE102012012401A9 Verfahren zur stromregelung A method for flow control
03/13/2014CA2826437A1 Voltage control in a doubly-fed induction generator wind turbine system
03/12/2014EP2706643A2 Method and systems for operating a wind turbine using dynamic braking in response to a grid event
03/12/2014EP2706642A1 Battery assembly control system
03/12/2014EP2706641A1 Method to provide primary control power by an energy storage system
03/12/2014EP2705588A1 Photovoltaic plant
03/12/2014DE202013011247U1 Überregionaler Groß-Stromspeicher bestehend aus dezentralen Teil-Stromspeichern mit zentraler Steuerung Inter-regional wholesale electricity storage consisting of decentralized sub-power storage with central control
03/12/2014CN203482133U IGBT type cascade speed regulation system
03/12/2014CN203482111U Inverter
03/12/2014CN203481919U Microgrid experimental platform capable of being automatically and seamlessly switched between grid-connected mode and grid-isolated mode
03/12/2014CN203481907U Multi-power input and security monitoring controller
03/12/2014CN203481848U Generator synchronism identification blocking system
03/12/2014CN203481847U Flexible power transmission and distribution system control cabinet
03/12/2014CN203481846U Automatic switching device for transformers
03/12/2014CN203481845U Low-voltage ride through and reactive power control system for asynchronous wind turbine generator set
03/12/2014CN203481844U Ship power distribution automation system
03/12/2014CN203481843U Wind-light diesel-storage battery micro-grid power generation system
03/12/2014CN203481842U Rectified feedback circuit
03/12/2014CN203481841U Photovoltaic inverter system circuit structure based on auto transformer
03/12/2014CN203481840U Household time-sharing energy-saving device
03/12/2014CN203481839U Super capacitor dynamic voltage recovery system and power supply system
03/12/2014CN203481838U Energy storage device for improving seasonal load power supply capability of rural power grid
03/12/2014CN203481837U Intelligent low voltage composite switch suitable for capacitor
03/12/2014CN203481836U Dynamic reactive power compensation controller
03/12/2014CN203481835U Reactive compensation system suitable for low voltage network
03/12/2014CN203481834U Controlling apparatus for improving power factor of three-phase asynchronous alternating-current motor
03/12/2014CN203481833U Dynamic reactive power compensation integration module
03/12/2014CN203481832U Combination-type static reactive power compensation device
03/12/2014CN203481831U Supporting terminal box of reactive compensation device
03/12/2014CN203481830U Oil field oil pumping unit 1.14 kV voltage grade reactive compensation capacitor diverter switch
03/12/2014CN203481829U Dynamic reactive data acquisition device
03/12/2014CN203481828U A low-voltage reactive power automatic compensation controller mixing dynamic compensation and static compensation
03/12/2014CN203481827U Power saving device special for railway traction circuit
03/12/2014CN203481826U Dry type electricity-saving device
03/12/2014CN203481825U Optimized natural gas distribution-type energy main wiring circuit
03/12/2014CN203481824U Power supply system of rolling-cut continuous excavation machine
03/12/2014CN203481823U Intelligent electricity utilization load controller
03/12/2014CN203481822U Closed loop power supply model of medium voltage 10 kilovolt power distribution network
03/12/2014CN203481821U Load control system
03/12/2014CN203481653U Draught fan soft start power compensation system for subway tunnel
03/12/2014CN203474177U Novel energy-saving driving system for elevator
03/12/2014CN103636099A Charging system, charging device, and charging method
03/12/2014CN103636095A Electric network protection
03/12/2014CN103636094A B-side feed for critical power applications
03/12/2014CN103636093A Home electric appliance
03/12/2014CN103635931A Power generating facility information management system and power generating facility information management method
03/12/2014CN103635915A Display device for control information, method for displaying control information, and system for displaying control information
03/12/2014CN103633913A Doubly-fed wind turbine low-voltage ride through control method and doubly-fed wind turbine low-voltage ride through control system based on counter current tracking
03/12/2014CN103633869A Seven-level single-phase photovoltaic grid-connected inverter
03/12/2014CN103633868A Five-level single phase photovoltaic gird-connected inverter
03/12/2014CN103633866A Device and method for inhibiting single-phase photovoltaic grid-connected inverter input current low frequency pulsation
03/12/2014CN103633865A Large-power photovoltaic gird-connected inverter
03/12/2014CN103633846A Photovoltaic inverter and a control method thereof
03/12/2014CN103633727A Hybrid electric photovoltaic accumulation system inversion control all-in-one machine
03/12/2014CN103633667A Water pumping power regulating system and method based on IGBT (Insulated Gate Bipolar Transistor) control
03/12/2014CN103633666A Hybrid electric air conditioner
03/12/2014CN103633665A Sine wave bus based micro-grid power supply
03/12/2014CN103633664A Distribution room power supply method with multiple transformers
03/12/2014CN103633663A Energy-saving induction cooker aging system
03/12/2014CN103633662A Distributed new energy power generation system and distributed mixing maximum power tracking method
03/12/2014CN103633661A New energy power generation system and distributed mixing maximum power tracking method
03/12/2014CN103633660A Subsection type AC (alternating current) overvoltage and overfrequency restraining method
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