A robust, on-line turn-fault detection technique for induction machines based on monitoring the sequence component impedance matrix
作者： Sang Bin Lee , R.M. Tallam , T.G. Habetler
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摘要: A simple and robust sensorless technique for online stator winding turn fault detection based on monitoring an off-diagonal term of the sequence component impedance matrix is proposed in this paper. Due to destructive rapidly propagating nature insulation failure, it critical detect faults early stage prevent further damage motor. The motor nonidealities such as variation supply voltage unbalance, slip-dependent influence inherent asymmetry, measurement errors must be taken into account order reliably a its incipient stage. Simulation experimental results 5 hp induction machine are given confirm validity method. It shown that scheme capable providing reliable immune nonidealities.
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