K VINOTH KUMAR A IMMANUEL SELVAKUMAR S SURESH KUMAR
The accuracy of fault diagnostic systems for induction motors relies on a comparison of the currently extracted sensory features with those captured during normal operation. To detect the timing of these impacts from vibration signals accurately, this paper presented an efficiency diagnosis method based on spectral analysis method, aimed to diagnose the air-gap eccentricity fault of induction motors. Analyses the current spectrum of stator current in induction motors by Motor current signature analysis, to obtain the fault characteristics frequency fr accurately, and distinguish the fault characteristics component from the fundamental wave in stator current. The experimental result demonstrated the high sensitivity and clarity of this method, efficiently distinguish the fault frequency from the basic frequency in the stator current.
This article is written in Adobe PDF format ( .pdf file ).To view this article you need to download the file. Please rightclick on the link below and then select "Save target as" to download the file to your harddrive.