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首页> 外文期刊>Applied Computational Electromagnetics Society journal >Design and Finite Element Analysis of a Novel Permanent Magnet Assisted Reluctance Synchronous Motor
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Design and Finite Element Analysis of a Novel Permanent Magnet Assisted Reluctance Synchronous Motor

机译：新型永磁辅助磁阻同步电动机的设计与有限元分析

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摘要

In this paper, a permanent magnet assisted synchronous reluctance machine (PMASRM) with optimized permanent magnet width and asymmetric rotor structure is proposed. A typical PMASRM is selected as the reference motor (Pre-optimized PMASRM). In order to reduce the large torque ripple of conventional PMASRM, an optimization method to design the permanent magnet width is investigated and the Optimized Magnet-width PMASRM is proposed. On this basis, an asymmetric flux barriers structure is proposed to further reduce the torque ripple. Some electromagnetic characteristics including air-gap flux density, no-load back EMF and motor efficiency are examined by Finite Element Analysis (FEA). The simulation results show that the proposed PMASRM can not only decrease the harmonic component of no-load back EMF obviously, but also reduce the torque ripple in steady-state operation, which proves the rationality of the motor structure.
机译：本文提出了一种具有优化永磁宽度和不对称转子结构的永磁辅助同步磁阻机（PMASRM）。选择典型的PMASRM作为参考电机（预先优化的PMASRM）。为了减小传统PMSRM的大扭矩脉动，研究了设计永磁宽度的优化方法，提出了优化的磁宽PMASRM。在此基础上，提出了不对称的磁通屏障结构，以进一步减小扭矩脉动。通过有限元分析（FEA）检查包括空气间隙磁通密度，无负载反向EMF和电机效率的一些电磁特性。仿真结果表明，所提出的PMASRM不仅可以显然降低空载电动势的谐波分量，而且还减少了稳态操作中的扭矩纹波，这证明了电机结构的合理性。

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