Investigation of The Effects of Eccentricity on Induction Motor via Multi-Resolution Wavelet Analysis

Yıl 2018, Cilt: 18 Sayı: 2, 187 - 197, 03.08.2018

Abdullah Polat Abdurrahman Yılmaz Lale T. Ergene

https://doi.org/10.5152/iujeee.2018.1821

Öz

DOI: 10.5152/iujeee.2018.1821

 In
this paper, a 2.2 kW squirrel cage induction motor having different degrees of
static eccentricity is analyzed for fault detection using multi-resolution
wavelet analysis (MRWA). The reference squirrel cage induction motor was
simulated by using finite element method (FEM) and verified with the test
results for the reference. Multi-resolution wavelet analysis was applied to
decompose the high frequency components of flux density and current of the
induction motor with different levels of eccenctricity. The effects of these
components on the torque and vibration characteristics were also examined. The
results show that MRWA could be a good alternative to fast fourier transform
(FFT) in detecting air gap eccentricity in motors.

Anahtar Kelimeler

Induction motor, eccentricity, finite element method, multi-resolution wavelet analysis, diagnosis

Investigation of The Effects of Eccentricity on Induction Motor via Multi-Resolution Wavelet Analysis

Öz

DOI: 10.5152/iujeee.2018.1821

 In this paper, a 2.2 kW squirrel cage induction motor having different degrees of static eccentricity is analyzed for fault detection using multi-resolution wavelet analysis (MRWA). The reference squirrel cage induction motor was simulated by using finite element method (FEM) and verified with the test results for the reference. Multi-resolution wavelet analysis was applied to decompose the high frequency components of flux density and current of the induction motor with different levels of eccenctricity. The effects of these components on the torque and vibration characteristics were also examined. The results show that MRWA could be a good alternative to fast fourier transform (FFT) in detecting air gap eccentricity in motors.

Anahtar Kelimeler

Induction motor, eccentricity, finite element method, multi-resolution wavelet analysis, diagnosis

Kaynakça

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