An advanced Parkʹs vectors approach for bearing fault detection

Induction motors vibrations, caused by bearing defects, result in the modulation of the stator current. In this research, a method based on Parkʹs vector approach for bearing fault detection using three-phase stator current analysis is presented. In order to evaluate the ability of the proposed method several experiments are performed, and sets of data are gathered before and after using defective bearings. Both localized and distributed defects are evaluated using this method. The experimental results from our study suggest that the proposed method provides a powerful and general approach to incipient fault detection.