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首页> 外文期刊>IEEE Transactions on Magnetics >Comparative Study of E-Core and C-Core Modular PM Linear Machines With Different Slot/Pole Combinations
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Comparative Study of E-Core and C-Core Modular PM Linear Machines With Different Slot/Pole Combinations

机译：具有不同槽/极组合的E-Core和C-Core模块化PM直线电机的比较研究

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摘要

Four modular permanent magnet linear machines (PMLMs) with E-core and C-core primary segments and 12-slot/13-pole (12s/13p) and 12-slot/14-pole (12s/14p) slot/pole combinations are compared in this paper. The influences of flux gap width on the electromagnetic performances and power losses have been investigated based on 2-D finite-element modeling. It has been found that, by choosing proper flux gap width, not only the average thrust force can be improved but also the force ripple and iron losses can be reduced for all the machines. Also, the E-core modular PMLM has higher thrust force and lower detent force compared with the C-core modular PMLM with respect to the same slot/pole combination. Moreover, the 12s/13p modular PMLMs can achieve better electromagnetic performances than the 12s/14p ones regardless of E-core or C-core primary structures. Finally, by shaping the end teeth, the detent force and force ripple of the four modular PMLMs are further mitigated. The 12s/13p E-core modular PMLM is proven to be the best type among these four modular machines.
机译：四个模块化永磁直线电机（PMLM）具有E​​磁芯和C磁芯初级段，并具有12槽/ 13极（12s / 13p）和12槽/ 14极（12s / 14p）槽/极组合。比较本文。基于二维有限元模型，研究了磁通隙宽度对电磁性能和功率损耗的影响。已经发现，通过选择合适的通量间隙宽度，不仅可以改善平均推力，而且可以减小所有机器的力波动和铁损。同样，就相同的槽/极组合而言，与C芯模块化PMLM相比，E芯模块化PMLM具有更高的推力和更低的制动力。此外，无论E芯或C芯的主要结构如何，12s / 13p模块化PMLM均可实现比12s / 14p更好的电磁性能。最后，通过使端齿成形，可进一步减轻四个模块化PMLM的制动力和力波动。在这四款模块化机器中，事实证明12s / 13p E核模块化PMLM是最佳类型。

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