This paper proposes dynamic modeling and simulation of squirrel cage induction motors under oil whirl fault within their sleeve bearings. Previous experimental results are used for defining an appropriate air gap function under the fault. This function is used in the winding function approach for the modeling and simulation purpose. Analytic approach and simulation results show presence of the same frequency components on the stator line current of the faulty motor. Some of these frequency components can be appropriate indices for diagnosing the fault.
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