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A Novel Method for Minimization of Cogging Torque and Torque Ripple for Interior Permanent Magnet Synchronous Motor

机译:减小内部永磁同步电动机齿槽转矩和转矩脉动的新方法

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摘要

This paper proposes a method to minimize the cogging torque and torque ripple of an interior permanent magnet synchronous motor by adopting asymmetric barrier design and inverting lamination method. The analysis method for cogging torque and torque ripple is suggested using finite-element method. An asymmetric barrier in a permanent magnet rotor is optimally designed without permanent magnet skew. This proposed design for low cogging torque and torque ripple has an advantage over skew design from a manufacturing point of view. The proposed model is compared with the skew model and nonskew model by calculating torque characteristics to determine the more effective method to reduce torque distortion.
机译:提出了一种采用非对称势垒设计和反向叠片的方法来减小内部永磁同步电动机的齿槽转矩和转矩脉动的方法。建议采用有限元法对齿槽转矩和转矩脉动进行分析。优化设计了永磁转子中的不对称隔板,没有永磁偏斜。从制造的角度来看,这种针对低齿槽转矩和转矩脉动的建议设计具有优于偏斜设计的优势。通过计算扭矩特性,将提出的模型与偏斜模型和非偏斜模型进行比较,以确定更有效的方法来减少扭矩失真。

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