Fault Detection in Induction Machines Using Power Spectral Density in Wavelet Decomposition

Motor-current-signature analysis has been successfully used in induction machines for fault diagnosis. The method, however, does not always achieve good results when the speed or the load torque is not constant, because this causes variations on the motor-slip and fast Fourier transform problems app...

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Veröffentlicht in:	IEEE transactions on industrial electronics (1982) 2008-02, Vol.55 (2), p.633-643
Hauptverfasser:	Cusido, J., Romeral, L., Ortega, J.A., Rosero, J.A., Garcia Espinosa, A.
Format:	Artikel
Sprache:	eng
Schlagworte:	Algorithms Bars Broken rotor bars Density discrete wavelet transform (DWT) electrical drives Fast Fourier transforms Fault detection Fault diagnosis Fourier transforms Induction machines induction motor power spectral density (PSD) Rotors shorted windings Spectra Spectrogram Spectrograms Torque Wavelet Wavelet analysis
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