Patents for H02J 3 - Circuit arrangements for ac mains or ac distribution networks (38,663)
11/2013
11/27/2013CN103414209A DFIG direct current grid-connected power generation system based on RMC and torque control method of DFIG direct current grid-connected power generation system
11/27/2013CN103414208A Inverter active and reactive power decoupling control method
11/27/2013CN103414207A Droop control-based smooth switching method
11/27/2013CN103414206A Water, fire and light combined optimization power generation scheduling optimization method considering security constraints
11/27/2013CN103414205A Wind farm super capacitor energy storage type unified power quality conditioner
11/27/2013CN103414204A Control method for using dynamic voltage to compensate wind power generation system output reactive power
11/27/2013CN103414203A Photovoltaic power generation islanding detection method and device based on Lyapunov index changes
11/27/2013CN103414202A Management system and management method of electric vehicle battery replacement station in micro-grid
11/27/2013CN103414201A Regulation and control method of electric bus power battery cluster participating in sea island micro-grid operation
11/27/2013CN103414200A Method for monitoring and controlling automatic reactive power compensation system of high-low voltage power distribution network
11/27/2013CN103414199A Method for providing reactive power support based on inverters in off-network mode of micro-grid
11/27/2013CN103414198A System for controlling multiple sets of stage type controllable paralleling reactors in coordinated mode and control method of system
11/27/2013CN103414197A Reactive-load compensation equipment configuration method for large-scale wind power delivery system
11/27/2013CN103414196A Grid-connected inverter grid-connection point voltage dynamic compensation control method
11/27/2013CN103414195A Voltage reactive power control system of small hydropower concentration area
11/27/2013CN103414194A Z-source inverter shunt active power filter and control method thereof
11/27/2013CN103414193A Global sliding mode variable structure control method applied to active power filter
11/27/2013CN103414192A Direct current side voltage regulation method for active power filter
11/27/2013CN103414191A Novel grid-connected interface filter and passive damping method therefor
11/27/2013CN103414190A Multi-target loss reduction device
11/27/2013CN103414189A Power quality steady-state index early warning method based on multiple prediction algorithms
11/27/2013CN103414188A Optical configuration method of supergrid controllable phase shifter
11/27/2013CN103414187A High-frequency megawatt bidirectional converter
11/27/2013CN103414186A Distributed-type frequency modulation method based on inverters in off-network mode of micro-grid
11/27/2013CN103414185A Unified power flow controller and control method thereof
11/27/2013CN103414184A Method for computing sequence components under frequency changing situation
11/27/2013CN103414183A Method for simulating dynamic load in numerical simulation model
11/27/2013CN103414182A Smooth switching method for switching flexible direct current transmission system from parallel operation into isolated island operation
11/27/2013CN103414181A Method for designing micro-grid system
11/27/2013CN103414179A Droop control method suitable for multi-terminal flexible direct current transmission system
11/27/2013CN103413662A Magnetic integration device of transformer type controllable electric reactor
11/27/2013CN103413653A Novel controllable electric reactor based on two-phase magnetic materials
11/27/2013CN103412207A Photovoltaic grid connected inverter island detection method based on negative sequence current injection
11/27/2013CN102623989B Method for optimization and configuration of intermittent distributed generation (DG)
11/27/2013CN102545271B Automatic power adjusting method of generator
11/27/2013CN102510073B Data exchanging system of large power consumption interaction system/ distribution automation master station system
11/27/2013CN102434359B Semi-submersible type power generating set floating on water and suitable for stream flows in river channel and using method
11/27/2013CN102412594B Control method of micro-grid system
11/27/2013CN102377189B Optimal configuration and operation method for reactive compensation of wind farm
11/27/2013CN102332725B High potential gate control device for series thyristor valve block in SVC (Static Var Compensator)
11/27/2013CN102255586B Constant power wide speed regulation control method for permanent magnet synchronous motor
11/27/2013CN102222937B Photovoltaic grid-connected inverter and grid-connected control method thereof
11/27/2013CN102130462B Intelligent electrical load unbalance compensation device
11/26/2013US8593841 Compensation circuit for constant current regulation of power supply and method thereof
11/26/2013US8593460 Information processing apparatus and power saving effect display method
11/26/2013CA2623263C Control method for direct-current transmission
11/26/2013CA2558597C Method and system for detecting and isolating stray voltage
11/26/2013CA2526544C Methods and apparatus for control of inductively coupled power transfer systems
11/26/2013CA2471689C Method and apparatus for preventing overloads of power distribution networks
11/21/2013WO2013172431A1 Power management device, power management system, and power management method
11/21/2013WO2013172430A1 Alert presentation device and alert presentation method
11/21/2013WO2013172022A1 Frequency control method, frequency control system, frequency control device, and program
11/21/2013WO2013172013A1 Electric power control device, charging system, electric power control method, and computer program
11/21/2013WO2013172012A1 Power control device, power control method, and program
11/21/2013WO2013171833A1 Power saving control system, equipment control device, and method for controlling power saving
11/21/2013WO2013171329A1 Method and apparatus for localizing and quenching an arc
11/21/2013WO2013170958A2 Assembly of a system for generating a direct current or an alternating current, and system for generating a direct current or an alternating current
11/21/2013WO2013170899A1 A battery energy storage, battery energy storage system, method, computer program and computer program product
11/21/2013WO2013170895A1 Energy management gateway
11/21/2013WO2013170597A1 Hydraulic power station surge shaft agc control method
11/21/2013WO2013128023A3 Method for operating a combined cycle power plant, and combined cycle power plant
11/21/2013WO2013068247A3 Method for providing control power with an energy generator and an energy consumer
11/21/2013WO2013020148A3 Electric energy generation plant driven with a variable speed and having a constant output frequency, in particular a wind power plant
11/21/2013US20130307340 Power converter operable from various power sources
11/21/2013US20130307339 Optimized control of a power converter in response to load conditions
11/21/2013US20130307331 Investigating timing reliability in relation to control of a power transmission system
11/21/2013DE112004001647B4 Übertragung elektrischer Leistung von einer Primärseite zu einer Sekundärseite eines Umformers Transmitting electrical power from a primary side to a secondary side of a transformer
11/21/2013DE102012208415A1 Vorrichtung und Verfahren zum Ändern eines Stromverbrauchsprofils von mindestens einer Person in einem Haus oder in einer Wohneinheit mit einem Verteilnetz Apparatus and method for changing a power consumption profile of at least one person in a house or in an apartment with a distribution
11/21/2013DE102012208297A1 Stromversorgungsanordnung mit Phasenwahl für eine Leuchte Power supply arrangement with phase selection for a luminaire
11/21/2013DE102012009867A1 Steuerung eines Windenergiesystems Control of a wind energy system
11/21/2013DE102012009761A1 Component of system for producing direct current or alternating current, has up-converter that converts direct current input voltage at input of connection box to direct current output voltage at output terminal box
11/20/2013EP2665150A2 A plant for low-power preferably single-phase electrical supply to buildings for residential and non-residential use
11/20/2013EP2665149A1 Reserve power-supplying capacity transaction system and reserve power-supplying capacity transaction method
11/20/2013EP2664049A1 Arrangement for feeding electrical energy into an energy supply network
11/20/2013EP2664048A1 Smart microgrid reconfigurable ac interface
11/20/2013EP2664047A2 Control circuit and method for converters of wind turbines
11/20/2013CN203301401U Photovoltaic power generation control box
11/20/2013CN203301399U Solar air conditioner system and solar air conditioning device thereof
11/20/2013CN203301383U Photovoltaic inverter cabinet
11/20/2013CN203301170U Power inverter of wind energy generator
11/20/2013CN203301169U On-grid and off-grid control structure of photovoltaic power generation system
11/20/2013CN203301168U Single-stage type three-phase photovoltaic grid-connected inverter controller
11/20/2013CN203301167U Photovoltaic power generation controller based on multi-core processor
11/20/2013CN203301166U Device for suppressing photovoltaic power generation output power fluctuation
11/20/2013CN203301165U Reactive power automatic compensator based on PLC control
11/20/2013CN203301164U Synchronous opening/closing controller
11/20/2013CN203301163U Composite switch of 10-kV no-impact switched multi-group capacitor group
11/20/2013CN203301162U Load-control type low-voltage capacitor controller
11/20/2013CN203301161U Modular static var generator
11/20/2013CN203301160U Low voltage integrated reactive power compensation device
11/20/2013CN203301159U Static reactive generator power cabinet
11/20/2013CN203301158U Compact integrated type high-voltage power capacitor apparatus
11/20/2013CN203301157U Low-voltage reactive compensation power distribution cabinet
11/20/2013CN203301156U Low-voltage reactive-power compensation cabinet
11/20/2013CN203301155U Improvement structure of main circuit of thyristor
11/20/2013CN203301154U Dynamic wattless support electric-power system
11/20/2013CN203301153U Active electric power filter based on predictive direct power control
11/20/2013CN203301152U Active electric power filter based on FPGA phase lock control
11/20/2013CN203301151U APF controller based on DSP and FPGA
11/20/2013CN203301150U Wire distributing apparatus
1 ... 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 ... 387