哈尔巴赫永磁直线电机磁场和力的解析计算

IEEE 2011 10th International Conference on Electronic Measurement & Instruments Pub Date : 2011-10-10 DOI:10.1109/ICEMI.2011.6037951

Zhang Qi, Pan Mengchun, Chen Dixiang

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引用次数: 7

摘要

基于等效电流模型推导了单块永磁产生磁场的计算公式，并给出了哈尔巴赫永磁阵列的磁场。其次，设计了定子为空心线圈、电机为哈尔巴赫永磁阵列的直线同步电机模型。然后，利用上述公式和商用电磁仿真软件MaxWell计算气隙磁场和力。两种方法的误差小于2%。与软件计算结果相比，本文公式准确、省时，可作为哈尔巴赫永磁阵列直线同步电机设计与验证的快速计算方法。

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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Analytic calculation of magnetic field and force in Halbach permanent magnet linear motor

The calculating formula of magnetic field produced by single permanent magnet (PM) is deduced based on equivalent current model and magnetic field of Halbach PM array is also given. Secondly, A model of linear synchronous motor whose stator is air-cored coil and mover is Halbach PM array is designed. Then, air-gap magnetic field and force are calculated by both the above formula and commercial electromagnetic simulation software MaxWell. The error between the two methods is less than 2 percent. Compared with the software, the formula presented in the paper is accurate and timesaving which can be used as a fast calculating method for designing and validating linear synchronous motor with Halbach PM array.

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IEEE 2011 10th International Conference on Electronic Measurement & Instruments

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