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Appl. Sci. 2018, 8(9), 1677; https://doi.org/10.3390/app8091677

Fault Detection of Stator Inter-Turn Short-Circuit in PMSM on Stator Current and Vibration Signal

1,2,3
,
1,2,* , 1,2
and
1,2
1
School of Automation Engineering, University of Electronic Science and Technology of China, Chengdu 611731, China
2
Institute of Electric Vehicle Driving System and Safety Technology, University of Electronic Science and Technology of China, Chengdu 611731, China
3
Unit 69031 of the people’s liberation army of China, Urumqi 830000, China
*
Author to whom correspondence should be addressed.
Received: 7 September 2018 / Revised: 12 September 2018 / Accepted: 14 September 2018 / Published: 16 September 2018
(This article belongs to the Special Issue Fault Detection and Diagnosis in Mechatronics Systems)
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Abstract

The stator inter-turn short circuit fault is one of the most common and key faults in permanent magnet synchronous motor (PMSM). This paper introduces a time–frequency method for inter-turn fault detection in stator winding of PMSM using improved wavelet packet transform. Both stator current signal and vibration signal are used for the detection of short circuit faults. Two different experimental data from a three-phase PMSM were processed and analyzed by this time–frequency method in LabVIEW. The feasibility of this approach is shown by the experimental test. View Full-Text
Keywords: stator inter-turn short circuit; fault detection; wavelet packet transform; PMSM; stator current signal; vibration signal stator inter-turn short circuit; fault detection; wavelet packet transform; PMSM; stator current signal; vibration signal
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Liang, H.; Chen, Y.; Liang, S.; Wang, C. Fault Detection of Stator Inter-Turn Short-Circuit in PMSM on Stator Current and Vibration Signal. Appl. Sci. 2018, 8, 1677.

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