Influence of magnet arrangement on performance of flux reversal permanent magnet machine
Influence of magnet arrangement on performance of flux reversal permanent magnet machine
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DOI：
10.1109/iemdc.2017.8002029
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发表时间：
2017-05
期刊：
影响因子：
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通讯作者：
H. Y. Li;Z. Zhu
中科院分区：
文献类型：
--
作者：
H. Y. Li;Z. Zhu
本文全面分析了不同磁体布置方式下磁通反转永磁电机的性能差异。首次揭示了永磁体不同布置方式对工作气隙磁密谐波的影响。然后分析了四种PM布置的转矩随转子极数的变化。结果表明，在不同的转子极数范围内，每种布置方式都具有优越性。此外，四个永磁安排与相关的最佳转子极数的电磁性能进行了比较。结果表明，在每个定子齿上安装四块永磁体，且相邻两块永磁体极性相反的转子转速电机具有最高的转矩密度和效率，在低速大转矩应用中具有广阔的应用前景。
This paper provides a comprehensive analysis of performance difference in the flux reversal permanent magnet (FRPM) machines with various magnet arrangements. The influence of different PM arrangements on working airgap flux density harmonics is firstly revealed. The torque variation against rotor pole number for four PM arrangements is then analyzed. Results show that each arrangement exhibits superiority in different ranges of rotor pole number. In addition, the electromagnetic performances of four PM arrangements with associated optimal rotor pole numbers are compared. It indicates that the FRPM machine, in which four PM pieces are mounted on each stator tooth and two adjacent magnets on different stator teeth are of opposite polarities, offers the highest torque density and the highest efficiency, which makes it promising in low-speed high-torque applications.