Patents
Sitemap › H02 - Generation, conversion, or distribution of electric power › H02P - Control or regulation of electric motors, generators, or dynamo-electric converters; Controlling transformers or reactors or choke coils › H02P 27 - Arrangements or methods for the control of ac-motors characterised by the kind of supply voltage
Patents for H02P 27 - Arrangements or methods for the control of ac-motors characterised by the kind of supply voltage (13,284)
10/2012
10/02/2012US8278858 Flux cancellation in a permanent magnet generator
09/2012
09/27/2012WO2012127665A1 Control apparatus and control method of synchronous motor
09/27/2012WO2012126560A2 Drive system and method for operating a drive system
09/27/2012US20120245207 Nicotinic acid compositions for treating hyperlipidemia and related methods therefor
09/27/2012US20120242268 Rotating electrical-machine control system and method of operating magnet temperature of rotating electrical-machine
09/27/2012DE102012204058A1 Steuerungsverfahren und steuerungsvorrichtung eines motorumrichters Control method and control device of a motor inverter
09/27/2012DE102012202864A1 Systeme und Verfahren zum Überwachen von Strom in einem Elektromotor Systems and methods for monitoring of current in an electric motor
09/27/2012DE102011014753A1 Antriebssystem und Verfahren zum Betreiben eines Antriebssystems Drive system and method of operating a drive system
09/26/2012CN202455315U Elevator dragging motor controller signal system
09/26/2012CN202455314U Alternating-current speed governing controller for electric automobile
09/26/2012CN202455313U Automatic revolving-speed stabilization system of hydraulic test motor
09/26/2012CN202455312U System for controlling fan motor
09/26/2012CN1473391B Phase current detection method, inverter control method, motor control method, and apparatus used in these methods
09/26/2012CN102694502A Control method and control device of motor inverter
09/26/2012CN102694501A Motor driving circuit and motor driving system
09/26/2012CN102694500A Rotating speed searching device for frequency changer and induction motor of frequency changer
09/26/2012CN102694457A Frequency converter output DVDT filter
09/26/2012CN102689603A System for supply propulsion energy from an auxiliary drive and method of making same
09/26/2012CN102045025B Control system for cooling fan of traction motor of locomotive
09/26/2012CN101911473B Winding change-over switch of three-phase AC motor
09/26/2012CN101652920B Power supply regenerative converter
09/25/2012CA2673679C Variable motor drive system for a reservoir with circulating fluid
09/20/2012WO2012124157A1 Motor speed measurement device and motor speed monitoring device
09/20/2012WO2012123255A2 Control method implemented in a power converter and intended for identifying parameters linked to the magnetic saturation of an electric motor
09/20/2012WO2012016062A3 Multi-leveled voltage drive for electric machine phase shifted winding sets
09/20/2012US20120235604 Inverter device of rotating electrical machine, and driving method for rotating electrical machine
09/20/2012DE112011100096T5 Steuerungsvorrichtung einer Motorantriebsvorrichtung Control device of a motor driving device
09/20/2012DE112010003370T5 Steuerungsvorrichtung für eine Elektromotorantriebsvorrichtung Control device for an electric motor drive means
09/20/2012DE112010000941T5 Steuerungsvorrichtung für eine drehende Elektromaschine A control apparatus for a rotating electrical machine
09/19/2012CN202444466U Direct current parallel multi-motor driving system device
09/19/2012CN202444465U Frequency conversion speed regulating system of motor rotor
09/19/2012CN202444464U Variable-frequency electric control system for mine lifter on basis of TKD system
09/19/2012CN202444463U Frequency conversion control device for drawing machine motor
09/19/2012CN202439578U Motor controller for electric vehicle
09/19/2012CN102687389A Motor drive system, motor drive system control method and travelling device
09/19/2012CN102684599A Mine anti-explosion frequency conversion device with low switching frequency
09/19/2012CN102684597A High-power alternating current (AC) asynchronous motor controller for direct driving type bus
09/19/2012CN102684576A Permanent magnet motor controller applied to pure electric car and control method
09/19/2012CN102684540A Systems and methods for monitoring current in an electric motor
09/19/2012CN102684539A Inverter device of rotating electrical machine, and driving method for rotating electrical machine
09/19/2012CN102684510A Intelligent integrated unit module suitable for cascading high-voltage frequency converter
09/19/2012CN102046889B Swivel drive controller and construction machine including the same
09/19/2012CN101877567B Motor speed command generating device and method
09/18/2012US8269449 Method and system for start and operation of an electrically driven load
09/18/2012US8269442 Method and apparatus for driving a brushless D.C. motor
09/13/2012WO2012121200A1 Diagnostic method for motor
09/13/2012US20120229061 Voltage converter and voltage converter system including voltage converter
09/13/2012DE102004036304B4 Verfahren und System für ein verbessertes Wärmemanagement eines Spannungsquellen-Wechselrichters, der bei niedriger Ausgangsfrequenz arbeitet, unter Nutzung einer Nullvektormodulationstechnik Method and system for improved heat management of a voltage source inverter operating at low output frequency, using a zero vector modulation technique
09/12/2012EP2497266A1 Brushless motor speed control system
09/12/2012CN202435341U Constant magnetic flux keeping device for frequency converter
09/12/2012CN202435340U Climber
09/12/2012CN202435339U Motor control device for cement production
09/12/2012CN102668368A Power conversion device for electric vehicle
09/12/2012CN102668367A Drive control device of alternating-current motor
09/12/2012CN102668361A Motor control apparatus and magnetic-pole position detection method therefor
09/12/2012CN102664586A Energy saving method for alternating current asynchronous motor
09/12/2012CN102664581A Torque ripple control system caused by direct current side secondary ripples of high speed trains
09/12/2012CN102664573A Direct-current control device for alternating-current permanent-magnet synchronous motor
09/12/2012CN102664550A Direct-drive bridge inverter experimental circuit
09/12/2012CN102664535A Four-quadrant high-voltage variable-frequency speed regulating system topology based on MMC (modular multilevel converter) transformer without phase shift
09/12/2012CN101753071B Single-phase motor driving device and single-phase motor
09/11/2012US8264192 Controller and method for transitioning between control angles
09/11/2012CA2572343C Electronically controlled power steering system for vehicle and method and system for motor control
09/07/2012WO2012118027A1 Hybrid-type construction machine
09/07/2012WO2012117642A1 Electrical power conversion device, electrical power conversion system, and motor inverter
09/06/2012US20120223667 Power conversion apparatus
09/06/2012US20120222910 Electric vehicle
09/05/2012CN202424619U Alternating-current motor and controller device
09/05/2012CN202424618U Frequency converter and range hood
09/05/2012CN202424617U Control circuit of inverter
09/05/2012CN202424616U Specially-used power saver for air compression motor
09/05/2012CN202424615U Frequency conversion control cabinet of oil pumping unit
09/05/2012CN202424614U Traction inverter control device
09/05/2012CN202424613U Primary coil walking trolley speed-regulating control device and current transformer bundling machine
09/05/2012CN202424612U Hoisting equipment winding motor speed regulating control system
09/05/2012CN202424610U Control system for motions of downhole linear motor
09/05/2012CN202424525U Frequency converter
09/05/2012CN202417990U Photovoltaic water pump system
09/05/2012CN202417986U Traction ventilator control system for hybrid locomotive
09/05/2012CN102655390A Six-half-bridge voltage type inverter applicable to three-phase asynchronous motor and control method of six-half-bridge voltage type inverter
09/05/2012CN102655389A Industry driver provided with external inductor
09/05/2012CN101938251B Power output method of alternating current asynchronous transmission system
09/05/2012CN101873095B Motor control device and controller thereof
09/05/2012CN101764570B Outdoor box type frequency conversion control station
09/05/2012CN101755381B Converter apparatus, rotary electric machine controller and drive unit
09/05/2012CN101682292B Inverter and method for detecting output voltage of the same
09/05/2012CN101398190B Efficiency energy saving gas range
09/05/2012CN101388615B Method and system for converting DC power to AC power
09/05/2012CN101277088B Drive circuit of motor
09/05/2012CN101166008B Motor drive device and motor drive device for washing and drying machine
09/04/2012US8258737 Electric machine with non-coaxial rotors
09/04/2012US8258735 Power converting apparatus for motor driving
08/2012
08/30/2012WO2012114902A1 Electric automobile
08/30/2012WO2012114900A1 Electric automobile
08/30/2012US20120217906 Failure information transmission apparatus
08/30/2012DE112010002407T5 Steuergerät für eine Elektromotorantriebsvorrichtung Control unit for an electric motor drive means
08/30/2012DE112010002402T5 Steuerungsvorrichtung für eine Elektromotorantriebsvorrichtung Control device for an electric motor drive means
08/30/2012DE112010002360T5 Steuervorrichtung für Lasttreibersystem Control device for load driver system
08/29/2012EP2493068A2 Inverter control device and inverter control method
08/29/2012CN202406086U Motor rotation speed obtaining circuit and frequency converter
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