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Abstract <p>The distribution of the magnetic coupling between the poles in active magnetic bearings is examined. The study is based on an analysis of the electromagnetic characteristics of four main configurations of magnetic poles: NNSS, NSNS, NNNN, and SSSS. The electromagnetic forces generated by the NNSS and NSNS configurations were calculated and comparatively analyzed, which makes it possible to evaluate their power capabilities and efficiency. To study the phenomenon of magnetic coupling and its effect on the distribution of magnetic induction, equivalent magnetic circuits were simulated, and the results obtained were verified by the finite element method. Optimal pole configurations have been found using the criterion of minimal mutual influence of magnetic circuits.</p>

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Calculation of Structures and Analysis of Characteristics of an Active Radial Magnetic Bearing

  • 期刊论文

  • 发表日期：

    2025年12月1日

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  • Sh. N. Sharafutdinov,
  • F. R. Ismagilov,
  • V. E. Vavilov,
  • D. V. Kobzov,
  • M. V. Okhotnikov

摘要

Abstract

The distribution of the magnetic coupling between the poles in active magnetic bearings is examined. The study is based on an analysis of the electromagnetic characteristics of four main configurations of magnetic poles: NNSS, NSNS, NNNN, and SSSS. The electromagnetic forces generated by the NNSS and NSNS configurations were calculated and comparatively analyzed, which makes it possible to evaluate their power capabilities and efficiency. To study the phenomenon of magnetic coupling and its effect on the distribution of magnetic induction, equivalent magnetic circuits were simulated, and the results obtained were verified by the finite element method. Optimal pole configurations have been found using the criterion of minimal mutual influence of magnetic circuits.