Electromagnetic design and performance evaluation on 75 kW axially laminated flux switching permanent magnet machine

2011 International Conference on Electrical Machines and Systems Pub Date : 2011-11-15 DOI:10.1109/ICEMS.2011.6073716

W. Xu, Jianguo Zhu, Yongchang Zhang, Tianshi Wang

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引用次数: 21

Abstract

One 75 kW axially laminated flux switching permanent magnet machine (ALFSPMM) with 12/14 (stator/rotor) poles is proposed in this paper. For the stator lamination in parallel with the direction of permanent magnet flux linkage, it can make full use of permanent magnet and reduce relevant flux leakage and iron loss especially in high speed applications. Because of partly serious saturation and nonlinear trait of inductance, optimal electromagnetic design has been done to decrease the cogging torque and part saturation of flux density distributed in the tip or edge of stator tooth and rotor pole. Theoretical investigation on ALFSPMM is confirmed by plentiful simulations mainly based on two-dimensional model analyzed by finite element algorithm on the platform of commercial software Ansoft Maxwell 12. Compared with the traditional flux switching permanent magnet machine (FSPMM), ALFSPMM has stronger torque density, greater flux weakening ability, and higher efficiency. It can be regarded as one ideal candidate for the drive system of plug-in hybrid electrical vehicle (PHEV).

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75kw轴向层压磁通开关永磁电机的电磁设计与性能评价

提出了一种具有12/14(定子/转子)极的75kw轴向层压磁通开关永磁电机(ALFSPMM)。对于与永磁通链方向并联的定子层合，可以充分利用永磁体，减少相关的漏磁和铁损，特别是在高速应用中。针对电机电感部分严重饱和和非线性的特点，进行了优化的电磁设计，以降低齿槽转矩和分布在定子齿尖或转子极边缘的磁通密度的部分饱和。在商业软件Ansoft Maxwell 12平台上，以有限元算法分析二维模型为基础，通过大量仿真验证了ALFSPMM的理论研究。与传统的磁通开关永磁电机(FSPMM)相比，ALFSPMM具有更强的转矩密度、更强的磁通弱化能力和更高的效率。它可以作为插电式混合动力汽车(PHEV)驱动系统的理想候选者之一。

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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2011 International Conference on Electrical Machines and Systems

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