A method for detection of eccentricity in permanent magnet machines

38th IAS Annual Meeting on Conference Record of the Industry Applications Conference, 2003. Pub Date : 2003-10-12 DOI:10.1109/IAS.2003.1257818

M. Hajiaghajani, L. Hao, S. Madani, H. Toliyat

引用次数: 11

Abstract

This paper attempts to find an analytical solution for the problem of eccentricity in permanent magnet (PM) machines. The result is helpful in developing proper features in the detection of this kind of fault in a diagnostic package. The analysis starts with the modeling of air-gap eccentricity in PM machines and is supported with both experimental and finite element simulation results. The results show that eccentricity appears in the form of speed related harmonics and can be detected by variation in its second harmonics.

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永磁电机偏心检测方法

本文试图找到永磁电机偏心问题的解析解。该结果有助于在诊断包中开发适当的特征来检测这类故障。该分析从永磁机床气隙偏心的建模开始，并以实验和有限元仿真结果为支撑。结果表明，偏心以速度相关谐波的形式出现，可以通过其二次谐波的变化来检测。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

38th IAS Annual Meeting on Conference Record of the Industry Applications Conference, 2003.

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