Patents
Patents for H02P 21 - Arrangements or methods for the control of electric machines by vector control, e.g. by control of field orientation (7,114)
05/2013
05/01/2013EP2585803A1 Method for determining the torque of an electric motor
05/01/2013CN202918238U Current internal-model decoupling controller of open-winding permanent-magnet synchronous motor
05/01/2013CN103081348A Improved method to save energy for devices with rotating or reciprocating masses
05/01/2013CN103078582A Control method and device of variable frequency asynchronous motor
05/01/2013CN103078581A Electrical inertia control system
05/01/2013CN103078580A Debugging system for motor
05/01/2013CN103078579A Control system for alternating-current induction motor of electric vehicle
05/01/2013CN103078341A DFIG (Doubly Fed Induction Generator) based direct current grid-connection generating system and control method thereof
05/01/2013CN102158158B Bearing-free synchronous reluctance motor rotor displacement soft measurement and suspension system construction method
05/01/2013CN101958686B Methods, systems and apparatus for sensorless rotor angular position estimation
05/01/2013CN101904086B Method for operating a rotating electric machine
04/2013
04/25/2013WO2013058281A1 Device for controlling rotary electrical machine
04/25/2013WO2013058122A1 Motor control device and motor control method
04/25/2013WO2013058109A1 Motor control device and motor control method
04/25/2013WO2013058090A1 Motor control device and motor control method
04/24/2013CN202906826U An integrated digital electric steering engine servo system
04/24/2013CN103069711A Motor control with voltage harmonic shaping
04/24/2013CN103069710A Method for adjusting the electromagnetic torque of electric traction motors of railway vehicles
04/24/2013CN103066915A High-dynamic cooperative control system of high-speed permanent-magnet synchronous motor of LCL-type filter
04/24/2013CN103066914A Direct power control system of high power factor induction motor
04/24/2013CN103066913A Parameter identification system, method and controlling device of permanent magnet synchronous motor
04/24/2013CN103066912A Dynamic efficiency test method of asynchronous motor with static state compensation stator flux linkage model
04/24/2013CN103066911A Method and system for estimating rotor angle of electric machine
04/24/2013CN103066910A Direct torque control method capable of hindering torque impulse
04/24/2013CN103066909A Control method and yarn constant tension control system of proportional-integral-derivative (PID) controller with dead zone
04/24/2013CN102291084B Control method, device and system of inverter
04/24/2013CN102208891B Method for controlling PMSM (permanent magnet synchronous motor) servo system based on friction and disturbance compensation
04/24/2013CN102005843B Brushless double-fed wind driven generator and method for controlling brushless double-fed wind driven generating system
04/23/2013US8427087 Control device for AC motor
04/18/2013US20130093371 MOTOR CONTROL DEVICE THAT CONTROLS d-AXIS CURRENT OF PERMANENT MAGNET SYNCHRONOUS MOTOR
04/18/2013US20130093370 Parameter estimating apparatus for permanent magnet synchronous motor driving system
04/18/2013US20130093369 Controlling torque ripple in interior permanent magnet machines
04/18/2013DE102012218017A1 Steuern der Drehmomentwelligkeit in Maschinen mit innerem Permanentmagneten Controlling the torque ripple in machines with internal permanent magnet
04/18/2013DE102012019504A1 Motorsteuervorrichtung, die d-Achsenstrom eines Permanentmagnetsynchronmotors steuert The motor control apparatus, which controls the d-axis current of a permanent magnet synchronous motor
04/17/2013EP2582036A2 Parameter estimating apparatus for permanent magnet synchronous motor driving system
04/17/2013CN202889285U Variable frequency speed regulation device for electrical transmission
04/17/2013CN202889284U Frequency converter for numerically-controlled machine tool
04/17/2013CN202889280U Aviation three-level electric-excitation-type synchronous-motor starting control apparatus
04/17/2013CN103052890A Method and device for controlling a synchronous machine
04/17/2013CN103051280A Method for estimating rotating speed and rotor position of low-speed directly-driven permanent magnet synchronous generator
04/17/2013CN103051279A Vector control-based prediction method for uncontrollability of electric current of induction machine
04/17/2013CN103051278A Rotor time constant online identifying system and method based on flux estimator
04/17/2013CN103051277A Parameter estimating apparatus for permanent magnet synchronous motor driving system
04/17/2013CN103051276A Initial position distinguishing method of permanent magnet synchronous motor rotor
04/17/2013CN103051275A Construction method of flux linkage observing device of electric automobile induction motor
04/17/2013CN103051274A Variable damping-based passive control method for two-degree-of-freedom permanent magnetic synchronous motor
04/17/2013CN103051273A Adjacent five-vector SVPWM (space vector pulse width modulation) method based on five-phase six-line topology
04/17/2013CN103051272A Magnification factor correction method for power stabilizer
04/17/2013CN103051271A Permanent magnet synchronous motor unposition sensor control method
04/17/2013CN103051270A Motor control device that controls d-axis current of permanent magnet synchronous motor
04/17/2013CN103051269A Synchronous machine control apparatus
04/17/2013CN103042948A Controlling torque ripple in interior permanent magnet machines
04/17/2013CN102761307B Motor control method and device as well as household electrical appliances
04/17/2013CN102158168B Permanent magnet synchronous motor drive control system
04/17/2013CN102075136B Soft measurement method for magnetic flux linkage of bearingless permanent magnet synchronous motor
04/16/2013US8421386 Control apparatus for multi-phase rotary machine
04/11/2013WO2013051616A1 Inverter device
04/11/2013US20130088179 Synchronous machine control apparatus
04/11/2013DE102012216777A1 Synchronmaschinen-Steuervorrichtung Synchronous machine control device
04/10/2013EP2579452A1 Control method and control device for an electric power regulator
04/10/2013CN202872721U Vector control system free of speed sensor and based on cascade high voltage frequency converter
04/10/2013CN103036500A Vector control method of alternating current asynchronous motor non-speed sensor
04/10/2013CN103036499A Detection method of permanent magnet motor rotor position
04/10/2013CN103036498A Synchronous generator practical model parameter examination and identification method based on parameter measure unit (PMU)
04/10/2013CN103036497A Control device and control method of synchronous motor
04/10/2013CN103036496A Self-adaption reverse-pushing controlling permanent magnet synchronous motor direct torque control (DTC) system and control method thereof
04/10/2013CN102007678B Converter control method
04/10/2013CN101877569B Motor drive system, motor control device and motor drive method
04/10/2013CN101729007B Power converter device and elevator using the same
04/04/2013WO2013046728A1 Power conversion device
04/04/2013WO2013046520A1 Motor control device and motor control method
04/04/2013WO2013046461A1 Vector control device for electric motor, electric motor, vehicle drive system, and vector control method for electric motor
04/04/2013WO2013044440A1 Servo motor and servo control system
04/04/2013CA2850294A1 Vector control device for electric motor, electric motor, vehicle drive system, and vector control method for electric motor
04/03/2013EP2575252A2 Signal processor, filter, control circuit for power converter circuit, interconnection inverter system and PWM converter system
04/03/2013CN202856683U Permanent magnet synchronous motor control device
04/03/2013CN202856682U Open-phase fault tolerance driving device of open-winding motor
04/03/2013CN103026615A Control apparatus of AC rotating machine
04/03/2013CN103026612A Control apparatus for AC rotating machine
04/03/2013CN103023421A Power calculation based slip estimation system and power calculation based slip estimation method
04/03/2013CN103023420A Instantaneous power detection and load identification based induction motor cooperative control system
04/03/2013CN103023419A PMU (Phasor Measurement Unit) data filtering method for generator synchronous reactance parameter identification
04/03/2013CN103023418A Online parameter identification method of synchronous generator based on wide-area measurement information
04/03/2013CN103023417A Brushless motor control method, brushless motor control device and electric power steering apparatus
04/03/2013CN103023416A System and method for current estimation for operation of electric motors
04/03/2013CN103023415A Method for automatically compensating amplitude-modulation-type space vectors and overcoming unstable torque
04/03/2013CN103023414A Low-cost quick reconstruction method for phase current of permanent magnet motor of fan
04/03/2013CN103023413A Feed-forward amplitude modulation type space vector method for overcoming torque instability
04/03/2013CN103023412A Permanent magnet fault-tolerant motor transient state control method based on dynamic terminal sliding mode variable structure
04/03/2013CN103023411A Default phase fault tolerance driving system of open winding motor
04/03/2013CN103023287A Method for modulating single-phase induction motor by aid of space-vector inverter circuit with independent power sources
04/03/2013CN103023072A Method for optimizing and controlling machine side converter of permanent magnet synchronous wind power generation system
04/03/2013CN103023021A Decoupling control method for nonlinear power of double-fed wind power generation system
04/03/2013CN103018698A Protection of motor drive systems from current sensor faults
04/03/2013CN102340277B Sensorless induction motor control device having function of correcting slip frequency of motor
04/03/2013CN102223138B Motor synchronous modulation method and control system thereof
04/03/2013CN102208894B Rotating speed evaluation method used for speed-sensorless induction motor vector controlling
04/03/2013CN101467343B Current limitation for a double-fed asynchronous machine and device for adjusting double-fed asynchronous providing or receiving effective power and providing or receiving reactive power
04/02/2013US8410742 Operating a synchronous motor having a permanent magnet rotor
04/02/2013US8410736 Controllable rectification device and electric motor comprising the same
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