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首页> 外文期刊>IEEE Transactions on Magnetics >Performance Analysis of a Novel Triple-Permanent-Magnet- Excited Magnetic Gear and Its Design Method
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Performance Analysis of a Novel Triple-Permanent-Magnet- Excited Magnetic Gear and Its Design Method

机译：新型三永磁励磁齿轮的性能分析及其设计方法

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摘要

This paper proposes a novel triple-permanent-magnet-excited (TPME) magnetic gear (MG) with an extra stationary layer of permanent magnets (PMs) sandwiched between adjacent ferromagnetic segments to produce an additional torque and in which a simplified consequent-pole Halback array-type PM arrangement is employed to improve the magnetic field characteristic. The novel TPME-MG has a higher torque transmission density when compared with its conventional counterpart. Its design method using the numerical finite-element method and the optimization algorithm is presented. The novel TPME-MG with optimal PM arrangement can significantly achieve higher torque density and torque per PM volume. The results of finite-element computation show that the proposed TPME-MG with optimal PM arrangement has over 74% higher torque density (torque per unit overall volume) and more than 37% higher torque per PM volume compared with a conventional surface-mounted MG, and can reach 51% higher torque density and 34% higher torque per PM volume compared with an original design of TPME-MG, which validates the effectiveness of the design method for the PM arrangement in the novel TPME-MG.
机译：本文提出了一种新型的三重永磁励磁（TPME）磁齿轮（MG），其永磁体（PM）的额外固定层夹在相邻的铁磁段之间，以产生附加扭矩，并且其中简化了后极Halback阵列型永磁体布置用于改善磁场特性。与传统产品相比，新型TPME-MG具有更高的扭矩传递密度。提出了采用数值有限元法和优化算法的设计方法。具有最佳PM布置的新型TPME-MG可显着提高扭矩密度和每PM体积的扭矩。有限元计算结果表明，与传统的表面安装式MG相比，具有最佳PM布置的TPME-MG的扭矩密度（每单位总体积的扭矩）高74％以上，每PM体积的扭矩高37％以上，并且与TPME-MG的原始设计相比，每PM体积的转矩密度提高了51％，每PM体积的转矩提高了34％，这证明了新型TPME-MG中PM布置设计方法的有效性。

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