Publication in IEEE Transaction on Industry Applications. [박준규, 정채림, 이승태]

by EMLAB on May 26, 2014
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Title

 “Early Detection Technique for Stator Winding Inter-Turn Fault in BLDC Motor using Input Impedance.”

   

Authors 

 Jun-Kyu Park, Chae-Lim Jeong, Seung-Tae Lee, and Jin Hur.

 

Abstract

 This paper proposes a diagnosis technique algorithm for a brushless DC motors under a stator inter-turn fault (ITF) condition using input impedance. The algorithm has early detection and various speed-range detection advantages. To early and accurately detect the ITF, the rotating speed, input current, voltage, resistance, and inductance must be analyzed. Therefore, we choose the input impedance as the detection factor because it includes all these factors. In this study, the fault-detection system works without requiring a fast Fourier transform and the calculation of the negative-sequence impedance from the comparison of the measured impedance with the database impedance. The proposed technique was verified by simulation and experiment.


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