Investigation of the effect of demagnetization fault at Line Start AF-PMSM with FEM

Year 2022, Volume: 10 Issue: 2, 94 - 100, 01.05.2022

Mustafa Eker , Mustafa Özsoy

https://doi.org/10.21541/apjess.1007894

Cited By: 3

Abstract

In motors containing magnets, irreversible demagnetization failure is one of the factors that negatively affect motor performance. In this study, the traditional Axial Flux Permanent Magnet Synchronous Motor (AF-PMSM) rotor structure was changed and the structure that gained the feature of starting from the line was used. Line Start AF-PMSM with 5.5 kW shaft power has 4 poles and each pole consists of 5 magnets. Demagnetization failure was obtained by the flux values of the magnets in any pole are drawn to zero and virtual demagnetization failure is created at certain rates (20%, 40% and 60%). With FEM, the data of the healthy and faulty motor were obtained. The data are then presented comparatively. Obtained data showed that demagnetization fault in Line Start AF-PMSM negatively affects motor performance, and the results are given in detail in the article. The original aspect of the study is that the demagnetization fault in Line Start AF-PMSM was investigated for the first time with FEM.

Keywords

Line Start, Axial Flux PMSM, Demagnetization fault, FEM

Supporting Institution

Tokat Gaziosmanpasa University Scientific Research Projects Unit

Project Number

2019/48

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