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首页> 外文会议>8th IEEE Symposium on Diagnostics for Electrical Machines, Power Electronics Drives >Behavior of a five-phase surface-mounted permanent magnet motor under magnet demagnetization
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Behavior of a five-phase surface-mounted permanent magnet motor under magnet demagnetization

机译：磁体去磁下的五相表面安装永磁电动机的性能

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The condition monitoring of magnets status in permanent magnet synchronous motors is critical for industrial applications, and then it is receiving more and more attention. Multiphase motor drives are an attractive technology for high power applications. They have many degrees of freedom that can be used for many purposes, such as power density improvement, monitoring, and so on. In this paper, a characterization of rotor faults for five-phase surface-mounted permanent magnet synchronous motors is presented. The considered rotor fault is the demagnetization of the rotor magnet trailing edges, due to large stator currents. The non-invasive detection method is based on a Fourier transform of the back-emf induced in the α-β planes, and exploits the large number of degrees of freedom of a multiphase motor drive. The proposed approach is validated by means of a finite element analysis.
机译：永磁同步电动机中磁体状态的状态监测对于工业应用至关重要，因此受到越来越多的关注。多相电动机驱动器是一种适用于大功率应用的有吸引力的技术。它们具有许多自由度，可以用于许多目的，例如功率密度提高，监视等。本文介绍了五相表面安装永磁同步电动机转子故障的特征。考虑到的转子故障是由于定子电流大而使转子磁体后缘退磁。非侵入式检测方法基于在α-β平面中感应的反电动势的傅立叶变换，并利用了多相电动机驱动器的大量自由度。通过有限元分析验证了所提出的方法。

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