Robust Detection and Location of Inter-turn Short Circuit Fault in Permanent Magnet Synchronous Motor Based on Square of Residual Current Vector Modulus

被引：0

作者：

Hang J. ^{[1
]}

Hu Q. ^{[1
]}

Ding S. ^{[1
]}

Sun W. ^{[1
]}

Ren X. ^{[1
]}

机构：

[1] School of Electrical Engineering and Automation, Anhui University, Hefei

来源：

Zhongguo Dianji Gongcheng Xuebao/Proceedings of the Chinese Society of Electrical Engineering | 2022年 / 42卷 / 01期

基金：

中国国家自然科学基金; 安徽省自然科学基金;

关键词：

Inter-turn fault; Luenberger observer; Permanent magnet synchronous motor; Residual current;

D O I：

10.13334/j.0258-8013.pcsee.211822

中图分类号：

学科分类号：

摘要：

In this paper, a robust detection and location method for inter-turn short circuit fault in permanent magnet synchronous motor (PMSM) was proposed based on square of residual current vector modulus. The mathematical models of the PMSM under healthy and fault conditions were presented in dq rotating frame. On this basis, the Luenberger observer was used to estimate dq-axis residual currents owing to the inter-turn short circuit fault. The fault detection index and fault phase location index were reconstructed based on second harmonic component in the square of residual current vector modulus. Both the simulation and experimental results validate that the proposed method could effectively achieve the inter-turn short circuit fault detection and the faulty phase location. Additionally, the proposed method did not require additional hardware and had good robustness against parameter mismatch and rotating speed variation. © 2022 Chin. Soc. for Elec. Eng.

引用

页码：340 / 350

页数：10

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