Simplified Pre-Analysis of Fault Severity for Interturn Short-Circuit Faults in Fault-Tolerant Permanent Magnet Machines

被引：0

作者：

Hu, Jianhui ^{[1
]}

Wang, Huidong ^{[1
]}

Wei, Fangrui ^{[1
]}

Li, Chuanyang ^{[2
]}

Li, Yong ^{[1
]}

机构：

[1] Harbin Inst Technol, Dept Elect Engn, Harbin 150001, Peoples R China

[2] PLA Rocket Force Univ Engn, Lab Intelligent Control, Xian 710025, Peoples R China

来源：

IEEE TRANSACTIONS ON INDUSTRIAL ELECTRONICS | 2025年 / 72卷 / 02期

基金：

中国国家自然科学基金;

关键词：

Circuit faults; Short-circuit currents; Fault tolerant systems; Fault tolerance; Fault diagnosis; Electrons; Windings; fault severity; interturn short-circuit faults (ISCFs); permanent magnet machines; short-circuit current; DIAGNOSIS;

D O I：

10.1109/TIE.2024.3429658

中图分类号：

TP [自动化技术、计算机技术];

学科分类号：

0812 ;

摘要：

This letter proposes a simplified offline preanalysis method of fault severity for interturn short-circuit faults (ISCFs) in fault-tolerant permanent magnet synchronous machines (FTPMSMs). For fault diagnosis and fault-tolerant (FT) control, it is important to predict how much short-circuit current will be generated at various speeds, loads, shorted turns ratios, and fault resistances. However, predicting the short-circuit current usually needs to solve differential equations by closed-loop simulation or finite element analysis (FEA). To increase the efficiency of fault preanalysis, the proposed method provides a simple solution to quickly offline predict the amplitude of short-circuit current. Simulation and experimental results show the effectiveness of the proposed method for different fault severities and various operations.

引用

页码：2160 / 2164

页数：5

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