Winding open circuit fault diagnosis method for dual three-phase permanent magnet synchronous motor

被引：0
|
作者：
Wang S. [1 ]
Xie S. [1 ]
Zhang Q. [1 ]
机构：
[1] School of Mechatronic Engineering and Automation, Shanghai University, Shanghai
来源：
Dianji yu Kongzhi Xuebao/Electric Machines and Control | 2023年 / 27卷 / 05期
关键词：
dual three-phase permanent magnet synchronous motor; fault diagnosis strategy; harmonic subspace current vector; normalization processing scheme; winding open circuit fault;
D O I：
10.15938/j.emc.2023.05.012
中图分类号：
学科分类号：
摘要：
In order to achieve rapid diagnosis and localization of open circuit faults in winding of dual three-phase permanent magnet synchronous motor, based on the unique harmonic subspace of dual three-phase permanent magnet synchronous motor, with the harmonic subspace current vector and the normalization scheme combined, a winding open circuit fault diagnosis strategy of dual three-phase permanent magnet synchronous motor was proposed. Firstly, the winding open circuit fault was detected according to the change of harmonic subspace current vector amplitude before and after the fault. Secondly, the winding with open circuit fault was accurately located according to different current vector phase angles after the winding open circuit fault. In order to eliminate the possible misdiagnosis caused by sudden load change, a normalization scheme for harmonic subspace current vector was further designed to improve the robustness of fault diagnosis. The simulation and experimental results show that the proposed harmonic subspace current vector method can quickly diagnose and locate the open circuit fault of winding, and can also show good reliability and robustness in case of sudden load change. © 2023 Editorial Department of Electric Machines and Control. All rights reserved.
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页码：108 / 116
页数：8
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