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)
10/2012
10/03/2012CN102709929A Wind power generation electric energy management and storage device and method based on flywheel energy storage
10/03/2012CN102709928A Urgent frequency modulation (FM) control method of energy storage system in micro-grid
10/03/2012CN102709927A Digital phase locking method suitable for balanced three-phase power grid
10/03/2012CN102709926A Rotary hot spare dispatching method in construction of intelligent power grid on basis of relevance vector machine
10/03/2012CN102709925A Reactive power automatic regulating system on basis of wind power station SCADA (Supervisory Control And Data Acquisition) system
10/03/2012CN102709924A Method for improving power factor of power system
10/03/2012CN102709923A Time-varying value-limiting reactive power optimization control method of district power grid on basis of load fluctuation rule
10/03/2012CN102709922A Digital display type capacitor set equipment
10/03/2012CN102709921A Control circuit and control method of low-voltage reactive compensation device
10/03/2012CN102709920A Secondary voltage control method and device for controlling reactive power of generator to be uniform
10/03/2012CN102709919A High-voltage reactive compensating device applied in power system
10/03/2012CN102709918A Reactive power control method of grid gateway based on automatic volume control (AVC) system
10/03/2012CN102709917A Dynamic idle compensation device for controlling high voltage based on IGBT (Insulated Gate Bipolar Translator)
10/03/2012CN102709916A Low-voltage load cutting method of electric system
10/03/2012CN102709915A Double-grinding-face contact type voltage stabilizing and regulating device
10/03/2012CN102709914A Filtering and reactive power compensation controller and compensation control method for power system
10/03/2012CN102709913A High-voltage harmonic suppression program controller
10/03/2012CN102709912A Intelligent control filtering device of power system
10/03/2012CN102709911A Method for designing interface with harmonic characteristic hybrid simulation function
10/03/2012CN102709910A Method for controlling self-adpative sliding mode of single-phase SAPF (Shunt Active Power Filter)
10/03/2012CN102709909A Active power distribution network reliability evaluation method during wind power generation access
10/03/2012CN102709908A Loss prediction method for large-scale wind power-accessed power grid
10/03/2012CN102709907A Load flow calculation method of weak-loop power distribution network comprising a DG (Distributed Generation)
10/03/2012CN102709906A Frequency layering coordination control method suitable for isolated microgrid including diesel generator and battery storage
10/03/2012CN102709905A Power supply reliability automatic calculation and analysis device and method for low-voltage distribution network
10/03/2012CN102709820A Power-free automatic compensating equipment cabinet
10/03/2012CN102709041A Superconducting variable leakage-reactance controllable electric reactor
10/03/2012CN102708260A Electromagnetic transient state simulation method and device
10/03/2012CN102708253A Method and device for testing conformity of electric automated information system CIM (common information model)
10/03/2012CN102705944A Solar frequency-conversion air-conditioning system
10/03/2012CN102705151A Method and system for enabling water wheel unit to operate at variable speed
10/03/2012CN102035219B Unipolar ringless wide hysteresis control device and method for grid-connected current of single-phase grid-connected inverter
10/03/2012CN101944841B Inversion control digital filter
10/03/2012CN101938130B High voltage filter and dynamic reactive power compensation control system combining PPF with TSC and control method thereof
10/03/2012CN101917020B Lift energy feedback, reactive compensation and switched-off emergency running method and system
10/03/2012CN101917018B Combined control cabinet of large-power doubly-fed wind-driven generator
10/03/2012CN101902072B New method for identifying disturbance information of large-scale interconnected power system
10/03/2012CN101897097B A method of demand side electrical load management and an associated apparatus and system
10/03/2012CN101841161B Power monitoring and energy saving system
10/03/2012CN101741087B Electric pollution monitoring and positioning system
10/03/2012CN101156288B Electrical low-voltage switchgear
10/02/2012US8280799 Method and systems for predicting solar energy production
10/02/2012US8279647 Universal three phase controllers for power converters
10/02/2012CA2714887C Generating apparatus and control method thereof
10/02/2012CA2526713C Frequency controlled resonant converter
10/01/2012DE202011102374U1 Energiespeicher- und/oder Versorgungsvorrichtung Energy storage and / or power supply device
09/2012
09/30/2012CA2772329A1 Systems and methods for synchronizing switching within a power distribution network
09/27/2012WO2012129096A1 Method and system for applying power harmonics to loads
09/27/2012WO2012128882A2 Power flow control using distributed saturable reactors
09/27/2012WO2012128660A1 Method for quick-response active power flow control and fragment of an intelligent electric power system for implementing said method
09/27/2012WO2012128638A1 Method and system for voltage regulation in a power distribution network
09/27/2012WO2012128626A2 System for charging the battery of at least one electric vehicle, charger and method
09/27/2012WO2012128285A1 Battery system
09/27/2012WO2012128252A1 Power storage system
09/27/2012WO2012128137A1 Voltage rise suppression device and distributed power supply interconnection system
09/27/2012WO2012127910A1 Distributed power supply system
09/27/2012WO2012127595A1 Power-leveling control apparatus, power leveling power-storage apparatus, power-leveling control method, and leveling program
09/27/2012WO2012127585A1 Operation schedule creating method, operation schedule creating apparatus, and operation schedule creating program
09/27/2012WO2012127065A1 Energy consumption management
09/27/2012WO2012126855A2 Centralized management of the supply of power to a plurality of local power networks
09/27/2012WO2012126714A1 Switch for a transmission path for high-voltage direct current
09/27/2012WO2012126306A1 Topology for lightweight dc electrical transmission system
09/27/2012WO2012126285A1 Wind power generator system using generator with multiple windings
09/27/2012WO2012126271A1 Electrified railway traction substation reactive power compensation apparatus
09/27/2012WO2012126270A1 Mine furnace low-voltage reactive power compensation and wave-filtering apparatus
09/27/2012WO2012106252A4 Energy interface system
09/27/2012WO2012101084A3 Method for supplying energy to an energy network
09/27/2012WO2012025721A4 Apparatus and method for use in transferring an electrical power supply in order to bypass a transformer based voltage optimization device
09/27/2012US20120242155 Device, System and Method For Directly Generating Alternating Current Electricity From Photovoltaic Cells
09/27/2012US20120242148 Energy allocation for energy storage cooperation
09/27/2012DE102011005905A1 Schalter für eine Übertragungsstrecke für Hochspannungs-Gleichstrom Switch for a transmission line for high voltage direct current
09/27/2012DE102011005837A1 Elektrische Anlage und Verfahren zu deren Betrieb Electrical System and method for its operation
09/27/2012CA2830763A1 Switch for a transmission path for high-voltage direct current
09/27/2012CA2830647A1 Energy consumption management
09/26/2012EP2503666A2 Power supply system for an electrical drive of a marine vessel
09/26/2012EP2503659A1 Systems and methods for managing an energy distribution network
09/26/2012EP2503344A1 Energy Consumption Management
09/26/2012EP2503295A1 Communication module, point of entry electricity metering device, metering system of a metered user area and method for self organized regulating a power consumption via a point of entry electricity metereing device in a metered user area of an electricity grid
09/26/2012EP2503146A1 Method and arrangement for controlling an operation of an electric energy production facility during a disconnection to a utility grid.
09/26/2012EP2502320A2 A grid oscillation analysis method and apparatus therefor
09/26/2012EP2502302A1 Battery production device
09/26/2012CN202455379U Reactive router for reactive power cloud compensation system
09/26/2012CN202455296U Photovoltaic pumping system using power grid as energy storage device
09/26/2012CN202455159U Parallelly-connected hybrid power quality adjuster monitoring system
09/26/2012CN202455150U Photovoltaic power generation system
09/26/2012CN202455130U Charging/discharging control system of electric vehicle and electric vehicle
09/26/2012CN202455094U Full-power converter, control system and direct-drive type wind power generating set
09/26/2012CN202455093U Reverse power protection system of photovoltaic grid-connected inverter
09/26/2012CN202455092U Inverter for large power station
09/26/2012CN202455091U Electric energy dispatching device with harmonic wave control function
09/26/2012CN202455090U Inversion auxiliary battery discharge energy utilizing device
09/26/2012CN202455089U Megawatt-grade direct-driven type mouse cage asynchronous generator AC-DC-AC wind power generation system
09/26/2012CN202455088U Peak cutting and valley filling interactive miniature electric power system for priority access of new energy resources
09/26/2012CN202455087U Zero sequence compensator
09/26/2012CN202455086U Control platform for reactive power cloud compensation system
09/26/2012CN202455085U Reactive compensation terminal used for reactive power cloud compensation system
09/26/2012CN202455084U Automatic control system for voltage of wind power station
09/26/2012CN202455083U Low-voltage load unbalance adjusting and intelligent reactive dynamic compensation device
09/26/2012CN202455082U Automatic power quality adjusting and controlling device with on-line monitoring system
09/26/2012CN202455081U Capacitor compensation cabinet with isolated bus chamber
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