FFFECT OF PARAMETER VARIATION ON THE PERFORMANCE OF FIELD ORIENTED INDUCTION MOTOR
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In practical applications, the field orientation control technique encounters many serious problems. These problems could indeed undermine the application of induction motors unless they could be solved. The most important problems are to develop an accurate motor model, and that the control algorithm is sensitive to motor parameter variations. Unfortunately, the motor parameters do vary with operating conditions in practice, and any parameter variation or mismatch will degrade the control performance. The effect of parameter variations on the performance characteristics of induction motors with field oriented control is studied in this paper. The variation of induction motor characteristics from starting up to synchronous speed is investigated