Analysis on the Cogging Torque of Permanent Magnet Machine for Wind Power Applications

2020 7th International Conference on Electrical Engineering, Computer Sciences and Informatics (EECSI) Pub Date : 2020-10-01 DOI:10.23919/EECSI50503.2020.9251912

Tajuddin Nur, Linda Wijayanti, Anthon de Fretes, K. O. Bachri

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Abstract

This paper deals with the analysis of cogging torque of permanent magnet machine for wind energy application. For the purpose of study, a 24-slot and 18-pole pairing of permanent magnet machine is selected. In order to reduce the cogging torque of permanent magnet machine based on the wind power requirement, a combining of shaping in magnet edge with three dummy slots in stator core of machine is studied in the paper. The combining of shaping in magnet edge with three dummy slots in stator core give a high value of cogging torque reduction of the model of PMM proposed. For the analysis of the entire machine structure, the finite element analysis is employed in the study. Using the finite element analysis based on FEMM, the cogging torque value of PMM models is analyzed. It is found that the cogging torque reduction value of the model of the PMM proposed can be increased to 98.74 % compared to the conventional PMM model. In conclusion, it can be said that the PMM can be developed and proposed in wind power application.

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风电用永磁电机齿槽转矩分析

本文对风能用永磁电机的齿槽转矩进行了分析。为了进行研究，我们选择了24槽18极对的永磁电机。为了根据风电需求减小永磁电机的齿槽转矩，本文研究了磁体边缘整形与电机定子铁心三个虚槽相结合的方法。将磁体边缘整形与定子铁心三个假槽相结合，使所提出的永磁同步电机模型具有较高的齿槽减矩值。对于整机结构的分析，采用了有限元分析方法。采用基于FEMM的有限元分析方法，分析了PMM模型的齿槽转矩值。结果表明，该模型的齿槽转矩减小值比常规模型可提高到98.74%。综上所述，PMM在风力发电中是可以开发和应用的。

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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2020 7th International Conference on Electrical Engineering, Computer Sciences and Informatics (EECSI)

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