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)
12/2012
12/05/2012CN202586370U Photovoltaic grid-connected inverter control system
12/05/2012CN202586369U Photovoltaic grid-connected inverter
12/05/2012CN202586368U Mini solar photovoltaic grid-connected inverter
12/05/2012CN202586367U Photovoltaic power generation energy storage system
12/05/2012CN202586366U Energy storage system
12/05/2012CN202586365U Energy storage system
12/05/2012CN202586364U EPS system with bidirectional energy flow
12/05/2012CN202586363U Low-voltage reactive compensation device based on controller area network (CAN) bus
12/05/2012CN202586362U Static dynamic reactive power compensation device unit module
12/05/2012CN202586361U Power system on-line voltage reactive optimization coordination control device
12/05/2012CN202586360U Smart capacitance monitor
12/05/2012CN202586359U Power quality optimization energy-saving device of electric furnace
12/05/2012CN202586358U Improved intelligent low-voltage reactive power compensation cabinet
12/05/2012CN202586357U Reactive compensation connection structure of power transformer and intelligent capacitor
12/05/2012CN202586356U Reactive compensation system for high-voltage ring main unit
12/05/2012CN202586355U High voltage automatic reactive power compensation device
12/05/2012CN202586354U Current separation compensation-based cascaded H-bridge distribution static synchronous compensator (DSTATCOM) device
12/05/2012CN202586353U Series reactor with mechanical control variable reactance
12/05/2012CN202586352U High-efficiency distribution and energy-saving device for power transformer
12/05/2012CN202586351U Suppression device for power frequency interference signal of power transmission line
12/05/2012CN202586350U Alternating current switch cabinet having function of filtering
12/05/2012CN202586349U Device for preventing jitters during motor driving
12/05/2012CN202586348U High-voltage surge protection device
12/05/2012CN202586347U Photovoltaic inverter harmonic suppression and reactive power compensation device
12/05/2012CN202586346U Intelligent harmonic-resistant compensation integration module
12/05/2012CN202586345U SVG synchronization voltage filter
12/05/2012CN202586344U Power-saving device having power-saving rate verification system
12/05/2012CN202586314U Centralized low voltage ride-through correction system
12/05/2012CN202586280U An intelligent high-voltage parallel capacitor and a high-voltage automatic reactive compensator
12/05/2012CN202586106U Integrated offshore booster station
12/05/2012CN202586103U Intelligent low-voltage capacitor box
12/05/2012CN202586101U Static type reactive generator structure based on GGD cabinet
12/05/2012CN1682419B Electrical network protection system
12/05/2012CN102812611A Power supply system for marine drilling vessel
12/05/2012CN102812610A Control apparatus and control method
12/05/2012CN102812609A Anti-islanding for grid-tie inverter using covariance estimation and logic decision maker
12/05/2012CN102812608A Method and apparatus for recording electrical consumption and production
12/05/2012CN102812334A Utility grid command filter system
12/05/2012CN102810990A Power converter circuit and associated triggering method for generators with dynamically variable power output
12/05/2012CN102810959A Energy-saving motor
12/05/2012CN102810877A Integrated microgrid control method
12/05/2012CN102810876A Parallel grid-connected combined cooling, heating and power control system using programmable logic controller (PLC) to control multiple generators
12/05/2012CN102810875A System using converter for energy conversion and operating method of system
12/05/2012CN102810874A Power control device, power management device and power management system
12/05/2012CN102810873A Stable power supply equipment for series compensation device and control and protection system thereof
12/05/2012CN102810872A Power compensation method and power compensation system for power distribution network
12/05/2012CN102810871A Idle work optimization method based on delamination and subregion of improved genetic algorithm
12/05/2012CN102810870A Electromagnetic hybrid device and method for synergetic compensation of high-speed railway multi-station electric energy quality
12/05/2012CN102810869A Disc type reactor-based static synchronous compensator (STATCOM) and control method
12/05/2012CN102810868A Energy-saving device of ship power system
12/05/2012CN102810867A Dynamic reactive compensation system based on magnetic control electric reactor
12/05/2012CN102810866A Control method for triple-harmonic current of static var compensator (SVC)
12/05/2012CN102810865A Stepless and automatic voltage regulating and low-frequency low-current signal detecting circuit of variable-load phase advancer
12/05/2012CN102810864A Comprehensive treatment device of electric energy quality of low-voltage distribution network
12/05/2012CN102810863A Adaptive mains filter
12/05/2012CN102810862A Method for delamination and subregion of extra-high voltage receiving-end power grid
12/05/2012CN102810861A Generating capacity prediction method and system for photovoltaic generating system
12/05/2012CN102810860A Standby volume analytical method under coordinating dispatch mode of batch-type energy and conventional energy
12/05/2012CN102810859A Weather forecast-based maximal current carrying capacity prediction method of overhead transmission line
12/05/2012CN102810858A Electric vehicle profiles for power grid operation
12/05/2012CN101976847B SVC (Static Var Compensator) and AVC (Automatic Voltage Control) joint debugging control system
12/05/2012CN101976838B Newton-process power flow calculation method for study purpose
12/05/2012CN101969197B Bus load forecasting accuracy comprehensive evaluation method
12/05/2012CN101969195B Transformer direct current magnetic bias compensation device with reactive power compensation function and control method
12/05/2012CN101917015B Hydraulic power plant vibration region crossing method based on master station AGC system
12/05/2012CN101872979B Fourier-based feedforward double-core reactive compensation device and control method based on Fourier feedforward
12/05/2012CN101860024B Implementation method for integrating provincial dispatch organization PAS system in electric power system
12/05/2012CN101682188B Power station for power transmission to remotely located load
12/05/2012CN101609454B Data storing and submitting method and intelligent equipment thereof
12/05/2012CN101523714B Data interchange between inverters in an inverter system
12/04/2012US8324756 Automatic on-chip detection of power supply configuration-modes for integrated chips
12/04/2012US8324755 Power management system and method of operating the same
11/2012
11/29/2012WO2012162570A1 System and method for integrating and managing demand/response between alternative energy sources, grid power, and loads
11/29/2012WO2012162152A1 Waveform distortion mitigation in power systems
11/29/2012WO2012161993A2 Bidirectional demand response control
11/29/2012WO2012161378A1 Method for estimating the status of a power distribution system
11/29/2012WO2012161255A1 Power control device and power control method
11/29/2012WO2012160864A1 Current collector box
11/29/2012WO2012159989A2 Method and system for operating and controlling a wind turbine to prevent excitation of subsynchronous oscillations within the wind turbine
11/29/2012WO2012159678A1 Power system
11/29/2012WO2012128882A3 Power flow control using distributed saturable reactors
11/29/2012WO2012106389A3 Distributed energy storage system and method of distributing energy
11/29/2012WO2011144529A3 Method for controlling the stability of an electric supply grid
11/29/2012WO2011124223A3 Power quality improvement by active filter
11/29/2012US20120302228 Remote Power Microgenerator Device and Method
11/29/2012US20120300510 Method and apparatus for controlling a dc-transmission link
11/29/2012US20120299397 Power transmission device and power transfer system
11/29/2012US20120299379 Duplex encoder/decoder for alternating current systems
11/29/2012DE112011100374T5 Leistungsmanagementvorrichtung und Leistungsmanagementverfahren sowie Leistungsmanagementsystem, das mit einer Leistungsmanagementvorrichtung versehen ist, Haus, das mit einem Leistungsmanagementsystem versehen ist, Programm für Leistungsmanagementvorrichtung und computerlesbares Aufzeichnungsmedium Power management device and performance management process and performance management system which is provided with a power management device, house, which is equipped with a power management system, program for power management apparatus and computer-readable recording medium
11/29/2012CA2835425A1 Bidirectional demand response control
11/28/2012EP2528222A1 Method for the determination of a control scheme for a NPC VSC, in particular as an active power filter
11/28/2012EP2528184A1 Method and apparatus for controlling a DC-transmission link
11/28/2012EP2528183A1 Method and device for energy transfer
11/28/2012EP2528182A2 Power distribution network load forecasting
11/28/2012EP2528181A1 Power supply system with integration of wind power, solar energy, diesels and mains supply
11/28/2012EP2528180A2 Methods and systems for direct current power transmission
11/28/2012EP2526645A1 Method and apparatus for control of a commodity distribution system
11/28/2012EP2526606A1 Levelling partial powers flowing via the individual phases of a multi-phase ac grid
11/28/2012EP2526605A2 Method and apparatus for improving power generation in a thermal power plant
11/28/2012EP2526604A1 Method for operating a three-phase converter in a delta connection and balancing device for such a converter
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