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http://dx.doi.org/10.5207/JIEIE.2005.19.8.131

A Study of Stator Fault Detection for the Induction Motor Using Axial Magnetic Leakage Flux  

Shin, Dae-Cheul (호서대학교 전기공학과)
Kim, Young-Hwan (호서대학교 전기공학과)
Publication Information
Journal of the Korean Institute of Illuminating and Electrical Installation Engineers / v.19, no.8, 2005 , pp. 131-137 More about this Journal
Abstract
The purpose of this paper is to evaluate the axial magnetic flux measurement could be used as a tool of the condition monitoring system for the induction motor and to develope the diagnostic algerian for the electric motors. The magnetic leakage flux signal is captured by the flux coil located at the end of motor without the disturbance of the operation. And the signal is analyzed both time and frequency bases to detect the failure of the motor. Specific signature can be described in time and frequency domain for each faults of the motor. The spectrum of the signal was found more useful for the monitoring purpose. The supply voltage imbalance and tin to turn failure of the stator winding could be detected by analysing the specific sidebands of the axial flux and sideband of the rotor bar pass frequency with the high resolution spectrum. The goal of this study verity that the axial flux measurement for the induction motor is a powerful tool for the diagnostic method and develope the algorithm to detect the fault.
Keywords
Flux coil; Axial magnetic flux measurement; Condition monitoring; Induction motor;
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