永磁同步电动机磁体故障表征

2009 IEEE International Symposium on Diagnostics for Electric Machines, Power Electronics and Drives Pub Date : 2009-10-23 DOI:10.1109/DEMPED.2009.5292770

D. Casadei, F. Filippetti, C. Rossi, A. Stefani

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引用次数: 70

摘要

如今，永磁同步电机(PMSM)由于其更高的效率，功率密度和宽的恒功率调速范围，在各种应用中是感应电机的一个有吸引力的替代品。在这种情况下，磁体状态监测越来越受到重视，因为它对工业应用至关重要。本文利用二维有限元分析(FEA)分析了这种电动机由于局部和均匀退磁引起的转子故障，并提出了一种新的非侵入式检测方法——反电动势傅里叶变换。然后对三台不同绕组结构的永磁同步电机进行了验证。

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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Magnets faults characterization for Permanent Magnet Synchronous Motors

Nowadays Permanent Magnet Synchronous Motor (PMSM) are an attractive alternative to induction machines for a variety of applications due to their higher efficiency, power density and wide constant power speed range. In this context the condition monitoring of magnets status is receiving more and more attention since is critical for industrial applications. This paper presents a characterization of rotor faults for such a motor due to local and uniform demagnetization by means of two dimensional (2-D) Finite Element Analysis (FEA) and proposes a new non-invasive method for their detection by means of a Fourier transform of the back-EMF. The proposed approach is then validated for three Permanent Magnet Synchronous Motors with different winding configurations.

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来源期刊

2009 IEEE International Symposium on Diagnostics for Electric Machines, Power Electronics and Drives

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