轴向磁通永磁联轴器磁场的三维分析模型

IF 2.1 3区工程技术 Q3 ENGINEERING, ELECTRICAL & ELECTRONIC

IEEE Transactions on Magnetics Pub Date : 2024-08-23 DOI:10.1109/TMAG.2024.3448463

Ronghui Liu;Hailong Han;Junda Zhang;Gaiping Sun;Shunfu Lin

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引用次数: 0

摘要

轴向磁通永磁耦合（AFPMC）可实现非接触式扭矩传输，因此在许多工业应用中备受关注。本文提出了 AFPMC 气隙磁场的三维分析模型。该分析模型基于变量分离法求解圆柱坐标系中的拉普拉斯方程和泊松方程。通过应用磁标量势和修正贝塞尔函数，计算出三维分析磁场分布。根据叠加原理，对单独作用的驱动和从动转子永磁体的气隙磁通密度进行合成，从而得到 AFPMC 的气隙磁通密度。四个回归评估指标用于评估气隙磁场的准确性。最后，将所提出的三维分析模型计算出的磁场分布、电磁转矩和轴向力与三维有限元分析结果进行了比较。

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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3-D Analytical Model of Magnetic Field for Axial-Flux Permanent Magnet Couplings

Axial-flux permanent magnet coupling (AFPMC) is of significant interest in many industrial applications because it can achieve contactless torque transmission. This article proposes a 3-D analytical model of the air-gap magnetic field for the AFPMC. The analytical model is based on the separation of variables method to solve the Laplace equation and Poisson equation in cylindrical coordinate system. The 3-D analytical magnetic field distribution is calculated by applying the magnetic scalar potential and the modified Bessel functions. According to the superposition principle, the air-gap flux density of driving and driven rotor PMs acting alone is synthesized to obtain the air-gap magnetic density of the AFPMC. Four regression evaluation metrics are used to assess the accuracy of the air-gap magnetic field. Finally, the magnetic field distribution, electromagnetic torque, and axial force calculated by the proposed 3-D analytical model are compared with the 3-D finite element analysis results.

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来源期刊

IEEE Transactions on Magnetics 工程技术-工程：电子与电气

CiteScore

4.00

自引率

14.30%

发文量

565

审稿时长

4.1 months

期刊介绍： Science and technology related to the basic physics and engineering of magnetism, magnetic materials, applied magnetics, magnetic devices, and magnetic data storage. The IEEE Transactions on Magnetics publishes scholarly articles of archival value as well as tutorial expositions and critical reviews of classical subjects and topics of current interest.