Instantaneous phase variation (IPV) for rotor bar fault detection and diagnosis

This paper presents a simulation and experimental study to verify the capability of the instantaneous phase variation (IPV) for the detection of broken rotor bar faults in squirrel cage induction motors. The three-phase squirrel cage motor model has been derived using a multi coupled circuits approach and a comparable set of experiments was carried out. The simulated and experimental results are in good agreement. The results show that IPV has good detection capabilities especially at full load conditions.

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