Communication science et technologie
Volume 12, Numéro 1, Pages 145-160
2014-01-01
Améliorations De L’analyse Spectrale Du Courant Statorique Appliquées Au Diagnostic Des Défauts De Roulements à Billes
Auteurs : Ahmed Hamida Boudinar . Mohamed Khodja . Fatima Belhadj . Noureddine Benouzza .
Résumé
Abstract- Early detection of abnormalities in the motor will help avoid expensive failure. It has been shown that bearing faults can be detected by several methods. This paper deals with the application of spectral analysis of stator current to detect bearing faults. To improve this technique, we add an anti-aliasing filter and located band frequencies of component faulty. In fact in these band frequencies the maximum amplitude represents the bearing faults. Experimental results are presented to illustrate the merits of the proposed improvements.
Mots clés
Induction motor/ fault detection/ Bearing/ Anti-aliasing filter/ Spectral analysis/stator current.
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