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首页> 外文期刊>IEEE Transactions on Energy Conversion >An Analytical Model and Optimization of a Novel Hybrid Rotor Machine for High Torque Density
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An Analytical Model and Optimization of a Novel Hybrid Rotor Machine for High Torque Density

机译：一种用于高扭矩密度的新型混合转子机的分析模型及优化

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摘要

This article proposes a novel hybrid rotor permanent magnet (HRPM) machine for the performance of torque and overload capability with the constraint of the rotor diameter. In order to optimize the electromagnetic performance, an analytical model (AM) is built by the magnetic equivalent circuit (MEC) of the rotor and stator considering the saturation and leakage flux effect. A good prediction accuracy is verified by the finite element method (FEM), even in high saturation condition. Based on the AM, the characteristics of the hybrid magnetic pole rotor are analyzed by the equivalent strategy that equivalent PM remanence and thickness of single pole in rotor. Furthermore, a response surface method (RSM) for multi-variate and multi-objective optimization is adapted to improve the electromagnetic performance because of the high torque density and PM material utilization. Finally, a comparison of the torque, PM eddy current loss and anti-demagnetization performance is investigated among surface-mount PM (SPM) machine, spoke-type PM (STPM) machine and HRPM machine. The comparison results show the hybrid PM rotor machine enhances higher torque density and overload capability. Finally, a 12 slot/10 pole HRPM machine is prototyped and tested to validate the analyses.
机译：本文提出了一种新型混合转子永磁体（HRPM）机器，用于性能的扭矩和过载能力，其具有转子直径的约束。为了优化电磁性能，考虑到饱和度和泄漏通量效果，由转子和定子的磁性等效电路（MEC）构建分析模型（AM）。即使在高饱和条件下，有限元方法（FEM）验证了良好的预测精度。基于AM，通过等效策略分析混合磁极转子的特性，该等效策略在转子中单极的剩磁和单杆的厚度的相同策略。此外，用于多变型和多目标优化的响应表面方法（RSM）适于改善电磁性能，因为高扭矩密度和PM材料利用率。最后，研究了扭矩，PM涡流损耗和抗退磁性能的比较，研究了PM（SPM）机，辐条型PM（STPM）机器和HRPM机器。比较结果表明，混合动力PM转子机增强了更高的扭矩密度和过载能力。最后，一个12个插槽/ 10极HRPM机器被伪装并测试以验证分析。

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