Induction Machine Stator Inter-Turn Short Circuit Fault Detection using Discrete Wavelet Transform

Syed Kamruddin Ahamed, Arghya Sarkar, Madhuchhanda Mitra, Samarjit Sengupta


A novel technique for the detection of stator inter-turn short circuit fault of the induction motor is presented. At first, the discrete wavelet transform (DWT) is performed on the windowed steady state stator currents to obtain the detailed coefficients at higher wavelet level. It has been observed that the faulty motor produces higher statistical parameters of the reconstructed details- RMS and Power Detailed Energy (PDE) than those values for the healthy one. Illustrative laboratory test results confirm the validity and accurate performance of the proposed method.

Keywords: inter-turn short, induction motor, Discrete wavelet transform, power detail energy, RMS value.

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ISSN (Paper)2222-1727 ISSN (Online)2222-2871

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