A Step Voltage Response Method for Identification of Induction Motor Parameters at Stand Still

BELLOC, C., ZHANG, Hongwei, VAGAPOV, Y. and MORENO, P. (2006). A Step Voltage Response Method for Identification of Induction Motor Parameters at Stand Still. In: 2006 IEEE International Conference on Electro/Information Technology. IEEE, 109-112. [Book Section]

Abstract
For the correct operation of a field oriented control drive, parameters of the induction motor should be fully defined. To obtain the parameters a dc step voltage response method is used. A dc voltage step is applied to the stator winding and the stator current is recorded. Four samples of the latter are needed to calculate the stator resistance, the stator self-inductance, the rotor time constant, and the linkage constant. The high accuracy of these parameters is achieved by using an iteration algorithm. The small number of iterations (5-10) gives accuracy to a fraction of a percent
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