Patents for H02P 27 - Arrangements or methods for the control of ac-motors characterised by the kind of supply voltage (13,284)
08/2012
08/29/2012CN202406085U Frequency converter system based on remote control
08/29/2012CN202406083U Control device for three-level converter output voltage estimating method
08/29/2012CN202405738U Frequency converter and three-phase output over-current protection circuit thereof
08/29/2012CN102652391A Reverse recovery current prevention device, and motor driving device
08/29/2012CN102651632A Six-half-bridge space vector pulse width modulation (SVPWM) control method for high-voltage high-power three-phase asynchronous motor
08/29/2012CN102651631A Traction frequency converter circuit with charging function for electric vehicle
08/29/2012CN101834560B Arrangement for a motor controller
08/29/2012CN101803172B Electric motor control apparatus and driving apparatus
08/29/2012CN101785176B Induction heating device, electric power converting circuit and electric power processing device
08/29/2012CN101447761B Electric motor drive systems, motor vehicles, and methods of phase current regulation
08/29/2012CN101373931B Method and apparatus for stabilizing voltage of intermediate circuit of frequency converter
08/29/2012CN101043196B Synchro motor drive device
08/28/2012US8253361 Device for the controlled power consumption of electric drives in machinery and machine including the device for processing printing material
08/28/2012US8253359 Electric rotating machine control system and vehicle driving system including the electric rotating machine control system
08/28/2012US8253356 Vehicle control system
08/28/2012CA2493586C Low voltage, two-level, six-pulse induction motor controller driving a medium-to-high voltage, three-or-more-level ac drive inverter bridge
08/23/2012WO2012111506A1 Motor control device
08/23/2012WO2012111505A1 Motor control device
08/23/2012WO2012111504A1 Motor controller
08/23/2012WO2011110828A3 Electric motor control
08/23/2012WO2011101051A3 Device for operating synchronous motors and associated method
08/23/2012WO2011024058A3 System and method for motor speed estimation of an electric motor
08/23/2012US20120212170 Inverter device and electric device using same
08/23/2012US20120212160 Discharge control device of electric power conversion system
08/22/2012CN202395723U Frequency conversion device for drying roll of pickling line
08/22/2012CN202395722U Energy-saving control device for oil pump motor
08/22/2012CN202395718U Single channel speed detection driver for asynchronous machine
08/22/2012CN102647151A Cascade speed regulating device for current zero-crossing speed measurement for hardware detection
08/22/2012CN102647150A Compound power supply control system based on synchronous rectification Buck-Boost bidirectional DC (Direct Current)/DC (Direct Current) convertor
08/22/2012CN102647149A Cmv reduction under bus transient condition
08/22/2012CN102647148A Equipment, method and system used for lifting variable frequency motor and engineering machinery equipment
08/22/2012CN102647147A Self-adapting synchronous modulation method
08/22/2012CN102647142A Current vibration suppression control system of high voltage inverter
08/22/2012CN102647095A Method for reducing voltage of direct-current bus of frequency changer
08/22/2012CN101652922B Fan motor controller and fan motor control method
08/22/2012CN101510751B Variable frequency drive system and motor thereof
08/22/2012CN101479928B Inverter control device and its operation method
08/22/2012CN101359879B Method for double-ended inverter system
08/21/2012CA2660380C Permanent magnet synchronization motor vector control device
08/21/2012CA2592250C Controller for variable speed alternating current motor
08/16/2012WO2012108158A1 Motor drive device
08/16/2012WO2012108079A1 Control apparatus for electric-powered power steering apparatus
08/16/2012WO2012107987A1 Heat pump device, heat pump system, and control method for three-phase inverter
08/16/2012WO2012107325A1 Method and apparatus for measuring current
08/16/2012WO2011119042A3 Variable electrical generator
08/16/2012WO2011069869A3 Electric motor having a pulse width modulator
08/16/2012US20120206083 Winding switching apparatus and winding switching system
08/16/2012US20120206082 Multi-phase outer-rotor-type variable frequency induction motor for a ceiling fan
08/16/2012DE102012100928A1 Motoransteuerungs-Regelvorrichtung, die die Leistungsabgabe eines Motors abhjängig von dem Lieferverhalten einer Wechselstromversorgung einstellt Motor driving control device, which adjusts the power output of an engine abhjängig from the delivery conduct an AC power supply
08/16/2012DE102011003940A1 System mit einer elektrisch erregten Maschine System with an electrically excited machine
08/16/2012DE102011003897A1 Verfahren und Vorrichtung zur Strommessung Method and apparatus for current measurement
08/15/2012EP1949348B1 Method for controlling a roller-blind actuator
08/15/2012EP1497912B1 Method and arrangement in connection with slip-ring machine
08/15/2012CN202385052U CAN bus based workover rig electronic control device
08/15/2012CN202385051U Mining explosion suppression type motor speed adjusting device
08/15/2012CN202385019U Voltage regulating device of side-wall coring device voltage regulating panel
08/15/2012CN102639354A Propulsion control device
08/15/2012CN102638223A Vector control frequency converter
08/15/2012CN102638222A Cascade speed regulation device under fast overcurrent protection of composite chopped wave band
08/15/2012CN102638221A Front end buck convertor lossless buffer circuit for controlling superpower high-speed motor
08/15/2012CN102638220A Method for improving voltage withstand capacity of enabling circuit without increasing chopping device
08/15/2012CN102638219A Permanent magnet drive system of flotation machine
08/15/2012CN102638215A Vector control system for speedless sensor of induction motor of electric automobile
08/15/2012CN102638214A Working method of high-power electric vehicle controller based on sliding mode variable structure model algorithm
08/15/2012CN102638203A Control and protection cabinet for three-phase motor
08/15/2012CN101969273B Asymmetric inverter for single-phase induction motor
08/15/2012CN101588140B Inverter module with thermally separated semiconductor devices
08/15/2012CN101427458B Method and device for controlling tri-phase motor current by tri-phase controller
08/15/2012CN101047358B Sinusoidal DC conversion control method and equipment for one-drives-two air conditioner
08/09/2012WO2012105266A1 Motor drive device
08/09/2012WO2012103995A2 Method and apparatus for controlling a pulse-controlled inverter which is used for controlling an electrical machine
08/09/2012DE19913941B4 Steuergerät zur variablen Steuerung der Drehzahl eines Asynchronmotors Control unit for variably controlling the speed of an induction motor
08/09/2012DE102011003869A1 System zum Laden eines Energiespeichers und Verfahren zum Betrieb des Ladesystems System for charging an energy storage device and method for operating the charging system
08/09/2012DE102011003863A1 System zum Laden eines Energiespeichers und Verfahren zum Betrieb des Ladesystems System for charging an energy storage device and method for operating the charging system
08/09/2012DE102011003559A1 Verfahren und Vorrichtung zur Steuerung eines Pulswechselrichters, welcher zur Steuerung einer elektrischen Maschine dient Method and device for controlling a pulse-controlled inverter, which is used to control an electrical machine
08/08/2012EP2485390A2 Driving apparatus of sensorless brushless motor
08/08/2012EP2485386A1 Rotation angle calculation apparatus and rotation angle calculation method
08/08/2012EP2485384A1 Motor starting method
08/08/2012EP2485381A1 Phase current detection device and power conversion device using same
08/08/2012CN202374215U Solid state voltage regulation controller for three-phase alternating current fan
08/08/2012CN202374214U Speed regulation system of automobile fan motor
08/08/2012CN202374211U Energy-saving controller for speed regulation of motor
08/08/2012CN202374208U Frequency conversion speed-adjusting device
08/08/2012CN102629850A Two-level SVPWM (Space Vector Pulse Width Modulation) overmodulation method
08/08/2012CN101893228B Circuit of intelligent power saving device for heating boiler system
08/08/2012CN101821942B Motor control device and magnetic pole position estimation method
08/08/2012CN101361262B Driving control apparatus and method for reciprocating compressor
08/07/2012CA2643433C Control apparatus for ac rotary machine and control method for ac rotary machine
08/02/2012WO2012102400A1 Stator teeth, stator, rotating armature, and method for controlling rotating armature
08/02/2012WO2012101753A1 Motor control device
08/02/2012US20120194119 Fast switching for power inverter
08/02/2012DE112010002340T5 Steuerungsvorrichtung Control device
08/02/2012DE112010002339T5 Verfahren zur berechnung des leistungsverbrauchs einer motorantriebsvorrichtung und steuerverfahren für eine motorantriebsvorrichtung unter verwendung des verfahrens zur berechnung des leistungsverbrauchs A method for calculating the power consumption of a motor driving apparatus and control method for a motor drive device using the method for calculating the power consumption
08/02/2012DE112010000965T5 Steuervorrichtung für Elektromotor Control device for electric motor
08/02/2012DE102012201184A1 Invertereinheit Inverter unit
08/02/2012DE102011009933A1 Converter with function for integrated control of speed and position of electric vehicle, has electric drive arranged in vehicle energy storage unit such as high-voltage battery which is connected to intermediate circuit of converter
08/02/2012DE102011009872A1 Verfahren und Vorrichtung zur Modulation der Klemmspannungen eines dreiphasigen Synchronmotors mit nicht-sinusförmiger elektromotorischer Kennlinie sowie dreiphasiger Drehstrommotor Method and apparatus for modulating the terminal voltages of a three-phase synchronous motor with non-sinusoidal electromotive characteristic as well as three-phase AC motor
08/01/2012EP2482442A1 Method and control system for controlling a brushless electric motor
08/01/2012EP1487098B1 Motor temperature estimator and motor controller
08/01/2012CN202357472U Hydraulic pressure cold pressing walnut oil machine
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