Patents for H02M 5 - Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases (13,094)
02/2014
02/05/2014CN103560739A Driving module with zero-crossing current switching applied in vibration motor
02/05/2014CN103560692A Output parallel forward flyback inverter
02/05/2014CN103560681A Four-quadrant frequency converter control device for AC drive system
02/05/2014CN103560680A Double fed induction generator (dfig) converter and method for improved grid fault ridethrough
02/05/2014CN103560679A Pulse-width modulation type high-power alternating current voltage stabilizer
02/05/2014CN103560678A Alternating current power supply parallel-operation expansion circuit
02/05/2014CN103552487A Co-phase power supply device and traction power supply system
02/05/2014CN102291013B Relay protecting test power supply device
02/05/2014CN101938222B Power supply device and backlight system for supplying backlight to display device
02/05/2014CN101471600B Isolated voltage converter with feedback on primary winding, and corresponding method for controlling output voltage
02/04/2014US8644044 Power electronics and integration system for providing a common high current inverter for use with a traction inverter and an auxiliary inverter
02/04/2014US8644041 PFC with high efficiency at low load
02/04/2014US8644037 AC-AC converter with high frequency link
02/04/2014US8642875 MIDI re-mapping process for utilizing proper music theory when playing a keyboard
01/2014
01/30/2014WO2014016532A2 Device for dynamically adjusting the voltage of an electrical network
01/30/2014US20140029320 Power Conversion with Added Pseudo-Phase
01/29/2014CN203416181U Phase-shift controlled electroplating power supply circuit
01/29/2014CN203416174U High-performance static power transformation intermediate frequency power supply
01/29/2014CN203416173U Power supply apparatus controlling power semiconductor devices valve group
01/29/2014CN203416172U Power supply device making power semiconductor device form series valve group
01/29/2014CN203416171U Ship-mounted power supply
01/29/2014CN203416170U All-digital control AC static converter
01/29/2014CN103546073A Motor driving device including electric storage device
01/29/2014CN103546043A IGBT current transformer and static var generator formed by same
01/29/2014CN103543328A Measuring system for measuring at least one electrical quantity, electrical transforming staton comprising such a measuring system and associated measuring method
01/29/2014CN102427299B Multifunctional large-power power electronic current transformer
01/29/2014CN102377350B Voltage stabilizing device without harmonic pollution or instantaneous output voltage sag and voltage stabilizing method
01/29/2014CN102195494B Power converter
01/28/2014US8639191 Communication apparatus and method
01/28/2014US8638003 Inverter generator
01/23/2014WO2014014912A2 Power sources
01/23/2014WO2013124374A3 Transformer configuration for a hvdc back-to-back converter
01/23/2014WO2013110282A3 Control system for power stacks in a power converter, power converter with such control system and wind turbine with such power converter
01/23/2014US20140022827 Drive train comprising a doubly-fed electric machine and an inverter controlled according to a law limiting the delivered active power
01/23/2014US20140021937 Converter system
01/23/2014US20140021374 Power sources
01/23/2014DE112012000487T5 Leistungsumwandlungseinrichtung A power conversion apparatus
01/22/2014EP2686946A1 Electrical energy supply of an aircraft
01/22/2014DE202011000993U1 Frequenzwandler Frequency converter
01/22/2014CN203406826U An air conditioner compressor control circuit and a variable frequency air conditioner
01/22/2014CN203406793U 复合开关电源 Complex switching power supply
01/22/2014CN203406787U Multiple power supply frequency converter
01/22/2014CN203406686U Device for connecting shore power and ship power
01/22/2014CN103532477A Multiple stator winding port motor system sharing LC grid-connected filter
01/22/2014CN103532400A Switching power amplifier circuit based on commercial power
01/22/2014CN103532399A A power converting apparatus
01/22/2014CN103532398A Power electronic transformer
01/22/2014CN103532397A Predictive non-circulating-current control method of alternating current-alternating current frequency converter
01/22/2014CN103532396A Mobile alternating current power supply device
01/22/2014CN103532395A Power supply circuit of power module of chain circuit SVG (static var generator)
01/22/2014CN103532348A Functional unit cabinet of high-power semiconductor convertor
01/22/2014CN102195500B Power converter and power conditioner
01/22/2014CN102170737B Drive circuit and lighting device using the same
01/16/2014US20140016379 Voltage Source Converter and Method for Controlling the Converter
01/16/2014DE102012212181A1 Method for operation of feeding converter system of electrical power unit in wind power plant, involves operating converter systems in active mode, independent of inverter load characteristic control variable
01/16/2014DE10148517B4 Geschwindigkeitsregelungsvorrichtung eines synchronen Reluktanzmotors und Verfahren dazu Speed ​​control apparatus of a synchronous reluctance motor and method therefor
01/15/2014EP2684269A2 Power generation unit driver, power generation unit and energy output equipment in power grid
01/15/2014CN203399045U Chopper-control speed regulation and energy conservation device for asynchronous motor
01/15/2014CN203399011U Ultralow-frequency high voltage generator
01/15/2014CN203399001U Multifunctional piezoelectric pump drive power supply based on FPGA
01/15/2014CN203399000U MMC-based electronic power transformer
01/15/2014CN203398999U Capacitor boosting circuit of parallel resonance medium-frequency power supply
01/15/2014CN203398998U Vector frequency converter
01/15/2014CN203398997U Ground maintenance power supply for high-speed train
01/15/2014CN203398996U Intelligent boost cabinet
01/15/2014CN203398986U Grounding circuit of parallel resonance medium-frequency power supply
01/15/2014CN103516262A Rotor current recycling feedback device for slip-ring wound rotor motor
01/15/2014CN103516234A Power source circuit
01/15/2014CN103516230A Bi-directional power flow controlled multi-level mutual balance solid state transformer and realization method thereof
01/15/2014CN103516229A Power conversion device
01/15/2014CN103516228A Power conversion module of inverter air conditioner
01/15/2014CN103516227A Power conversion system including two transformers with two secondary windings, and drive chain
01/15/2014CN103516226A Power supply system and drive chain comprising such a power supply system
01/15/2014CN103516225A Three-phase current selector switch
01/15/2014CN103515978A Efficient rectification-inversion-integrated energy feedback system
01/15/2014CN102257716B 矩阵转换器变速驱动器 Matrix converter variable speed drives
01/14/2014US8630105 Switching power supply apparatus including a PFC converter that suppresses harmonic currents
01/09/2014WO2014007803A1 Toroidal transformer transistor driver for electrical ballast
01/09/2014WO2014005639A1 Device for a three-phase load
01/09/2014WO2013043974A3 A multi-voltage power supply for a universal airplane ground support equipment cart
01/09/2014US20140009990 Method and apparatus for characterizing power supply impedance for power delivery networks
01/09/2014US20140009981 Ac tied inverter, system and method
01/09/2014US20140009980 Power flow controller with a fractionally rated back-to-back converter
01/09/2014US20140009979 Power Transfer Devices, Methods, and Systems with Crowbar Switch Shunting Energy-Transfer Reactance
01/09/2014US20140009096 Power conversion device
01/09/2014DE102012106033A1 Verfahren zum Betreiben eines Inverters eines elektrischen Kältemittelverdichters unter Verwendung von elektrolytischen Zwischenkreis-Kondensatoren A method of operating an inverter of an electric refrigerant compressor using electrolytic DC bus capacitors
01/08/2014CN203387459U High-temperature-resistance frequency converter
01/08/2014CN203387411U Unit tandem type high-voltage frequency converter and precharge device
01/08/2014CN203387410U Intelligent intermediate-frequency high-voltage power supply control system for electric precipitation
01/08/2014CN203387409U Serial rectifying and inverting circuit of bridge serial frequency converter
01/08/2014CN203387162U 电源系统 Power Systems
01/08/2014CN103501117A Power transformation transmission system suitable for wave power generator unit
01/08/2014CN103501116A Power supply device of high-voltage direct current electronic equipment
01/08/2014CN102160274B Power converter, control method thereof and direct matrix converter
01/08/2014CN102097952B Power supply unit, image forming apparatus and power supply control method
01/03/2014WO2014004289A1 A cyclo-converter and methods of operation
01/03/2014WO2014001402A1 Modular constant current regulator
01/03/2014WO2014000490A1 Five-level power converter, controlling method and controlling device thereof
01/02/2014US20140003100 Apparatus and method for controlling dc-ac power conversion
01/02/2014US20140003099 Frequency converter with dc link capacitor and method for pre-charging the dc link capacitor
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