Stator Interturn Fault Detection in Permanent-Magnet Machines Using PWM Ripple Current Measurement

被引：50

作者：

Sen, Bhaskar ^{[1
]}

Wang, Jiabin ^{[1
]}

机构：

[1] Univ Sheffield, Dept Elect & Elect Engn, Elect Machines & Drives Res Grp, Sheffield S1 3JD, S Yorkshire, England

来源：

IEEE TRANSACTIONS ON INDUSTRIAL ELECTRONICS | 2016年 / 63卷 / 05期

基金：

英国工程与自然科学研究理事会;

关键词：

Condition monitoring; fault diagnosis; fault location; permanent-magnet (PM) machines; pulsewidth modulation (PWM) inverters; switching frequency fault detection; MOTOR; DIAGNOSIS; HYBRID; DRIVES;

D O I：

10.1109/TIE.2016.2515560

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 paper proposes a novel method of interturn fault detection based on measurement of pulsewidth modulation (PWM) ripple current. The method uses the ripple current generated by the switching inverter as a means to detect interturn fault. High-frequency (HF) impedance behavior of healthy and faulted windings is analyzed and modeled, and ripple current signature due to interturn faults is quantified. A simple analog circuit is designed to extract the PWM ripple current via a bandpass (BP) filter and a root-mean-square (RMS) detector for fault detection. In addition, this method can also identify the faulted phase, which can be used for fault mitigation strategies. The method is tested experimentally on a five-phase permanent-magnet (PM) machine drive.

引用

页码：3148 / 3157

页数：10

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