Study on Calculation Model of High Speed Machine Silicon Steel Sheet Electromagnetic Characteristics Considering Magnetic, Stress and Temperature Condition

CES Transactions on Electrical Machines and Systems Pub Date : 2022-09-01 DOI:10.30941/CESTEMS.2022.00039

Yu Li;Guangwei Liu;Wenping Cao;Fengge Zhang

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Abstract

High-speed motor has the characteristics of high frequency, high temperature, and more stress, resulting in the field distribution inside the motor being complicated. To better study the electromagnetic characteristics of silicon steel sheet for high-speed motor. In this article, a study on the calculation model of silicon sheet electromagnetic characteristics considers the effects of electromagnetic, stress, and temperature factors. The study is divided into two parts, one is to propose the calculation model of silicon steel sheet's permeability; the other is to improve the calculation model of silicon steel sheet's loss. Then, the magnetic field, stress field, and temperature field of a surface mount high speed permanent magnet motor (SMHSPMSM) are analyzed by finite element method (FEM), and the results under the consideration of magnetic, stress, and temperature factors are brought into the calculation model for calculation. Finally, the accuracy of the calculation model for electromagnetic characteristics of silicon steel sheet is verified by comparing the calculated results with the finite element results.

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考虑磁、应力和温度条件的高速机械硅钢片电磁特性计算模型研究

高速电机具有频率高、温度高、应力大的特点，导致电机内部的磁场分布复杂。为了更好地研究高速电机用硅钢片的电磁特性。本文研究了考虑电磁、应力和温度因素影响的硅片电磁特性计算模型。研究分为两个部分，一是提出硅钢片渗透性的计算模型；二是改进硅钢片损耗的计算模型。然后，采用有限元法对表面安装式高速永磁电机（SMHSPMSM）的磁场、应力场和温度场进行了分析，并将考虑磁、应力和温度因素的结果纳入计算模型进行计算。最后，通过与有限元结果的比较，验证了硅钢片电磁特性计算模型的准确性。

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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CES Transactions on Electrical Machines and Systems

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