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Electromagnetic Force Analysis of Eccentric Axial Flux Permanent Magnet Machines

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  • Qiaoshan Li
  • Bingyi Zhang
  • Aimin Liu

Abstract

Based on Schwarz–Christoffel mapping, this paper presents a fast analytical method to analyze the electromagnetic force of eccentric axial flux permanent magnet machines, considering static, dynamic, and mixed eccentricities. A quasi-3D model of an axial flux permanent magnet machine is established, and the magnetic field is obtained by Schwarz–Christoffel mapping. The electromagnetic force density is obtained by the Maxwell stress tensor method, and the electromagnetic force density is used to characterize the variation of electromagnetic force. The distribution law of electromagnetic force is investigated. The calculated results are verified by the finite element method, which has shown that the method in this paper can be widely used in the analysis of axial flux permanent magnet machines.

Suggested Citation

  • Qiaoshan Li & Bingyi Zhang & Aimin Liu, 2020. "Electromagnetic Force Analysis of Eccentric Axial Flux Permanent Magnet Machines," Mathematical Problems in Engineering, Hindawi, vol. 2020, pages 1-16, April.
    • Handle: RePEc:hin:jnlmpe:6194317
    DOI: 10.1155/2020/6194317
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