Patents for H02P 27 - Arrangements or methods for the control of ac-motors characterised by the kind of supply voltage (13,284)
04/2014
04/09/2014CN101841290B Motor control unit and motor control unit for vehicle steering apparatus
04/03/2014WO2014050854A1 Power consumption reduction device
04/03/2014WO2014050792A1 Method and device for measuring impedance of permanent magnet synchronous motor, and permanent magnet synchronous motor
04/03/2014WO2014050283A1 Drive control device for rotary electric machine and electric vehicle drive system
04/03/2014WO2014049867A1 Heat pump device, air-conditioner, and refrigerator
04/03/2014WO2014049694A1 Motor controller
04/03/2014WO2014049693A1 Motor controller
04/03/2014DE102012217974A1 Inverterschaltung mit im Linearbetrieb arbeitenden Schaltmitteln Inverter circuit with operating in linear mode switching means
04/02/2014EP2713502A1 Ac motor drive system and motor vehicle
04/02/2014CN203522606U Motor speed regulator
04/02/2014CN203522605U Speed regulating system of spiral feeding device for preparing starch
04/02/2014CN203522604U Redundant medium-voltage AC-DC-AC frequency conversion device of double-winding synchronous motor of mine hoist
04/02/2014CN203522603U Electronic speed regulating device of levelling machine
04/02/2014CN203513217U Assisting force frequency conversion device of ladder stand
04/02/2014CN103702919A Electricity supply device and elevator system
04/02/2014CN103701402A Three-phase alternating current motor driving device and method
04/02/2014CN103701401A Control method, device and system for eddy current motor
04/02/2014CN103701400A Low-frequency synthesis method for high-voltage variable-frequency speed regulating device
04/02/2014CN103701399A Motor drive configuration system and method
04/02/2014CN103701398A Hall-effect based linear motor controller
04/02/2014CN103701397A Maglev (Magnetic Levitation) molecular pump motor control device with electric power failure compensation function
04/02/2014CN103701309A Alternating-direct current power supply system for variable frequency equipment and variable frequency air conditioner
04/02/2014CN102710100B Method for calculating and generating SPWM (Sinusoidal Pulse Width Modulation) for thread spinner frequency converter by using real-time sine values
04/02/2014CN102201780B Motor driving apparatus easily analyzable for cause of fault
04/02/2014CN102012472B Current leakage detector of construction machine
04/02/2014CN101944877B Estimation of parameters of an induction machine
04/01/2014CA2714794C Variable frequency drive with dielectric fluid-immersed transformer
03/2014
03/27/2014WO2014046235A1 Inverter control device and inverter control method
03/27/2014WO2014045760A1 Motor control device and motor control method
03/27/2014WO2014045348A1 Field-winding rotating electrical machine
03/27/2014US20140084837 Modular motor drive configuration system and method
03/27/2014US20140084830 Control device and method for operating an electrical machine driven by an inverter
03/27/2014US20140084816 Power converter for an electrical machine and method of operating the machine
03/27/2014DE102013004191A1 Verfahren zum Betreiben einer Elektromaschine Method for operating an electrical machine
03/26/2014CN203504473U Micro power-consumption pumping unit energy-saving controller
03/26/2014CN203504472U Space vector pulse width modulation test device
03/26/2014CN203504471U Power supply system for variable-frequency winch
03/26/2014CN203504470U Motor driving device having alarm level setting unit
03/26/2014CN203504469U Power saving device
03/26/2014CN103688459A Motor control device
03/26/2014CN103684207A Permanent magnet motor variable duty ratio current hysteresis control method
03/26/2014CN103684206A Rapid high-precision pointing mirror servo control system
03/26/2014CN103684205A Motor control device
03/26/2014CN103684204A System and method for implementing a remedial electrical short
03/26/2014CN103684203A Vehicle with electric motor temperature compensation
03/26/2014CN103684202A Motor controller having driving, charging and discharging functions
03/26/2014CN103684201A Six-phase non-feedback alternating-current frequency converter with motor
03/26/2014CN103684200A Motor drive device with alarm level setting unit
03/26/2014CN103684199A Drive system for unit parallel shunting at side of wound rotor motor operating in two quadrants
03/26/2014CN103684198A Motor control device and motor control method
03/26/2014CN103684196A Permanent magnet synchronous motor driving system capable of switching winding
03/26/2014CN103684178A Rotating speed filtering device and filtering method of PMSM
03/26/2014CN103684177A Iterative controller for reducing phase-current harmonic component of permanent magnet synchronous motor
03/26/2014CN103684174A Automatic energy-saving method of asynchronous motor
03/26/2014CN103684169A Dead-beat based direct torque control method for permanent magnet synchronous motor
03/26/2014CN103684166A Vehicle including motor control device, and control method for vehicle
03/26/2014CN103684165A Motor drive device and compressor using the same
03/26/2014CN103683917A Driver for switching element and control system for rotary machine using the same
03/26/2014CN103683485A Uninterruptible power supply (UPS) based on adjustable speed drive (ASD)
03/26/2014CN102497160B Motor driver alternating current input voltage amplitude estimation method
03/26/2014CN102360794B Phase shift rectifier transformer and series connection topology frequency converter
03/20/2014WO2013185760A3 A control circuit for driving an electric motor
03/20/2014US20140077745 Drive control device and drive control method
03/20/2014US20140077733 Electrically Driven Power Steering System And Control Apparatus For The Same
03/20/2014DE19925165B4 Positionsregelungsvorrichtung unter Verwendung eines Servomotors Position control apparatus using a servo motor
03/20/2014DE102012216659A1 Verfahren zum Betrieb eines Schienenfahrzeugs A method for operating a rail vehicle
03/20/2014DE102012215152A1 Antriebsverfahren mit Verschiebung der Schaltfrequenz und Antriebsvorrichtung The driving method with displacement of the switching frequency and drive device
03/19/2014EP2709267A1 Drive system for synchronous motor
03/19/2014CN203491948U Air-conditioning speed regulator with winding temperature control function
03/19/2014CN203491947U Compensation phase advancer of high- and low-voltage winding motor
03/19/2014CN203491944U Asynchronous motor vector control device
03/19/2014CN103650334A Power converter
03/19/2014CN103650333A Vehicle and method for controlling vehicle
03/19/2014CN103650332A Vehicle and vehicle control method
03/19/2014CN103650330A Motor driving apparatus, vehicle provided with same, and method of controlling motor driving apparatus
03/19/2014CN103650324A Method for actuating a multi-phase machine
03/19/2014CN103650322A Method for actuating a multi-phase machine
03/19/2014CN103650297A Rotating electric machine and device equipped with rotating electric machine
03/19/2014CN103648832A Vehicle driving device
03/19/2014CN103647500A Motor speed-regulation system energy-saving controller based on super-capacitor energy storage and control method
03/19/2014CN103647499A All-quadrant frequency conversion speed regulation system and method for composite-rotor brushless doubly-fed alternating current motor
03/19/2014CN103647498A Electrocar driving simulation system and method
03/19/2014CN103647489A Hybrid excitation synchronous motor efficiency optimized control method
03/19/2014CN103647482A Brushless DC (direct current) motor 180-degree square wave control method and module and converter
03/19/2014CN103647462A AC/DC converter, and compressor driving unit and air conditioner utilizing the same
03/19/2014CN102414043B Power supply system of electric vehicle and control method thereof
03/19/2014CN102195553B Methods, systems and apparatus for overmodulation of a five-phase machine
03/19/2014CN101924486B Inverter controlling apparatus, and air conditioner and washer using the same
03/18/2014US8674651 System and methods for improving power handling of an electronic device
03/18/2014US8674631 Power conversion apparatus and method of controlling capacitor voltage of power conversion apparatus
03/13/2014WO2014038262A1 Vehicle drive mechanism
03/13/2014WO2012118590A3 Device and method for generating an initial controller lookup table for an ipm machine
03/13/2014US20140070755 Methods and apparatuses for controlling output voltages of inverters driving electric motors
03/13/2014US20140070751 Motor control apparatus including at least two resistance discharge units
03/13/2014DE19857645B4 Elektrisches System für Elektrofahrzeug Electrical system for electric vehicle
03/13/2014DE102013218197A1 Hybridmotor Hybrid Engine
03/13/2014DE102013014609A1 Motorsteuervorrichtung mit wenigstens zwei Widerstandsentladungseinheiten Engine control device having at least two resistance discharge units
03/13/2014DE102012216008A1 Betriebszustandsschaltung für Wechselrichter und Verfahren zum Einstellen von Betriebszuständen eines Wechselrichters Mode circuit for inverter and procedures for setting operating conditions of an inverter
03/13/2014DE102012215992A1 Electronic control unit (ECU) assembly for driving electric drive in high-voltage network, has electric drive to limit drive output voltage of electric drive on voltage reference value derived from determined voltage threshold value
03/13/2014DE102012215980A1 Electric control unit network device for driving electric drive of e.g. hybrid vehicles, sets drive output voltage of electric drive to lower voltage threshold value, during communication failure between battery and drive control unit
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