偏心顺极转子永磁同步电机电磁性能分析

2017 7th International Conference on Power Electronics Systems and Applications - Smart Mobility, Power Transfer & Security (PESA) Pub Date : 2017-12-01 DOI:10.1109/PESA.2017.8277734

F. Li, K. Wang, J. Li, H. Y. Sun, P. Luk

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引用次数: 9

摘要

分槽集中绕组永磁同步电机近年来得到了广泛的研究。采用有限元分析(FEA)方法，对电动汽车轮毂电机驱动用传统24槽20极表面贴装永磁电机(24/20-SPM)和24槽20极后极永磁电机(CP)的电磁性能进行了定量分析和比较。将带(CP)转子的24/20-SPM电机的永磁转子形状设计为偏心形状(24/20- epc - spm)，并与带瓦片形永磁的24/20-CP-SPM电机进行了比较。此外，通过有限元分析，比较并验证了所分析机床的电磁性能，包括反电动势(back - emfs)、齿槽转矩、平均转矩、转矩脉动、PM体积、机器损耗、效率和径向力分布。

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Electromagnetic performance analysis of PMSM with eccentric consequent pole rotor

The fractional slot concentrated winding permanent magnet synchronous machines (PMSM) are widely investigated in recent years. The electromagnetic performance of traditional 24-slot/20-pole surface-mounted PM machine (24/20-SPM) and 24-slot/20-pole SPM machine with consequent pole (CP) permanent magnet used for in-wheel motor drives for electric vehicle (EV) applications is quantitatively analyzed and compared by finite element analysis (FEA). The shape of the PMs for the 24/20-SPM machine with (CP) rotor is designed as eccentric shape (24/20-ECP-SPM) and compared with 24/20-CP-SPM machine with tile shape permanent magnet (24/20-CP-SPM). In addition, the electromagnetic performance which include back electromotive forces (Back-EMFs), cogging torque, average torque, torque ripple, the volume of PM, machine loss, efficiency and radial force distribution of the analyzed machines are compared and validated by FEA.

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2017 7th International Conference on Power Electronics Systems and Applications - Smart Mobility, Power Transfer & Security (PESA)

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