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A Method Of Minimizing The Power Losses In An Induction Motor With A Squirrel-Cage With Vector Control, Boukhemis Chetate, Aissa Kheldoun
A Method Of Minimizing The Power Losses In An Induction Motor With A Squirrel-Cage With Vector Control, Boukhemis Chetate, Aissa Kheldoun
Boukhemis Chetate
An approach to optimizing the flux linkage of the rotor of an induction motor is considered when the motor operates in a vector control mode with indirect orientation in the direction of the field. In this system, the expression for the frequency of the rotor e.m.f. contains the rotor winding impedance; this impedance must therefore be precisely estimated in real time. It is proposed that this should be done using a fuzzy-logic adaptation mechanism. The results of using such a mechanism in a physical model confirm its effectiveness. Key words: induction motor, rotor, vector control, fuzzy logic.