Detection of Stator Inter-Turn Short-Circuit Fault in PMSM Based on Improved Wavelet Packet Transform and Signal Fusion

被引：0
|
作者：
Chen Y. [1 ,2 ]
Liang H. [1 ,2 ,3 ]
Wang C. [1 ,2 ]
Liang S. [1 ,2 ]
Zhong R. [1 ,2 ]
机构：
[1] School of Automation Engineering, University of Electronic Science and Technology of China, Chengdu
[2] Institute of Electric Vehicle Driving System and Safety Technology, University of Electronic Science and Technology of China, Chengdu
[3] Unit 69031 of the People's Liberation Army of China, Urumqi
来源：
Diangong Jishu Xuebao/Transactions of China Electrotechnical Society | 2020年 / 35卷
关键词：
Fault detection; Inter-turn short-circuit (ITSC); Permanent magnet synchronous motor (PMSM); Signal fusion; Wavelet packet;
D O I：
10.19595/j.cnki.1000-6753.tces.L80354
中图分类号：
学科分类号：
摘要：
In this paper, the stator inter-turn short-circuit (ITSC) fault in permanent magnet synchronous motor (PMSM) is regarded as the research object. The frequency spectrum feature of fusion vibration signal and stator current signal is used as the basis for the detection of inter-turn short-circuit fault. The acquisition signal is processed and analyzed by combining advanced wavelet packet transform and FFT in LabView, and the detection of this fault is realized. Improved wavelet packet transform can eliminate spectrum aliasing and get accurate fault characteristics. In addition, the experiments on permanent magnet low speed synchronous motor are carried out, the results of which show that the method is effective. © 2019, Electrical Technology Press Co. Ltd. All right reserved.
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页码：228 / 234
页数：6
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