Identification of failure modes in interior permanent magnet synchronous motor under accelerated life test based on dual sensor architecture

IF 1.3 4区 工程技术 Q3 ENGINEERING, ELECTRICAL & ELECTRONIC
Sikgyeong Choi, Jaewook Oh, Juho Lee, Woyeong Kwon, Jeonghae Lee, Inhyeok Hwang, Jongbum Park, Namsu Kim
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Abstract

Recently, the permanent magnet synchronous motors (PMSMs) are considered to be one of the best options for electrical motor due to their high power density and efficiency for various applications including industrial robot and smart mobility. However, the safety and reliability of the PMSM have not been verified sufficiently when compared to the conventional induction motor. The failure of electric motor can lead to catastrophic failure of entire system, so it is important to detect potential failure modes or signs in advance. In this paper, an accelerated life test was carried out to induce and investigate the failure modes of PMSM and various signals were monitored to detect the types of failure modes during the test. The shaft of the motor was radially loaded to accelerate the failure of PMSM. The phase current, temperature, displacement of the shaft, and vibration were monitored to estimate the health state of the motor. As a result, the bearing and the shaft were the most vulnerable components under radially loaded condition. Also, it is proved that the different failure modes can be successfully detected and classified by monitoring the phase current and vibration signal.

Abstract Image

基于双传感器结构的加速寿命测试中内部永磁同步电机故障模式的识别
最近,永磁同步电机(PMSM)因其高功率密度和高效率而被认为是电机的最佳选择之一,适用于包括工业机器人和智能移动设备在内的各种应用。然而,与传统感应电机相比,PMSM 的安全性和可靠性尚未得到充分验证。电机故障可能导致整个系统发生灾难性故障,因此提前检测潜在的故障模式或征兆非常重要。本文采用加速寿命试验来诱导和研究 PMSM 的失效模式,并在试验过程中监测各种信号以检测失效模式的类型。电机轴受到径向载荷,以加速 PMSM 的失效。通过监测相电流、温度、轴位移和振动来估计电机的健康状态。结果表明,轴承和轴是径向负载条件下最易损坏的部件。此外,还证明了通过监测相电流和振动信号可以成功地检测和分类不同的故障模式。
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来源期刊
Journal of Power Electronics
Journal of Power Electronics 工程技术-工程:电子与电气
CiteScore
2.30
自引率
21.40%
发文量
195
审稿时长
3.6 months
期刊介绍: The scope of Journal of Power Electronics includes all issues in the field of Power Electronics. Included are techniques for power converters, adjustable speed drives, renewable energy, power quality and utility applications, analysis, modeling and control, power devices and components, power electronics education, and other application.
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