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[07-08, 1997] 

Journal of Electrical Engineering, Vol 48, 07-08 (1997) 201-204

PREDICTIVE CURRENT CONTROLLER OF THE VECTOR-CONTROLLED ASYNCHRONOUS MOTOR

Igor Bélai - Milan Žalman

   In this paper a controller of both the flux and torque components of the stator current vector of an asynchronous motor is described. The current controller is composed of two parts: the predictive and the PI components. The controller output is the reference stator voltage vector generated via PWM. The effect of the predictive component becomes apparent mainly in transient states improving control dynamics. PI component decreases the sensitivity of the current vector control to the motor parameter deviation. The method supports software implementation.

Keywords: vector control, predictive controller


[full-paper]


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