A dynamic model in the d-q frame is introduced for wider coverage of the faults of three-phase induction motor. In this frame, it is possible to implement and analyze more accurately due to the evaluation of stator currents instead of rotor. In the proposed model, eccentricity and stator winding faults have been investigated. The results showed that the proposed model has been able to cover more than 70% of the faults of the three-phase induction motor.

Keywords: Induction motor, eccentricity, stator winding, fault

     

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