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Prof. Dr. Ibrahim A. M. ABDEL-HALIM, FIET
Dr. Khaled M. HASANEEN


In this paper, direct and simple expressions for the doubly-fed induction machine (DFIM) characteristics such as current, power and torque, for different operating conditions, are obtained. Using these expressions, the performance of the DFIM machine can be easily obtained when the magnitude of the rotor voltage, rotor phase angle and speed are changing. To validate the presented expressions, the results obtained from them are compared with previously published results, and the two sets of results are found to be identical.

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