MAGNUS型轴向磁通游标永磁电机转矩产生分析

Murat G. Kesgin, Peng Han, D. Lawhorn, D. Ionel
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引用次数: 6

摘要

本文研究了一种新型游标式轴向磁通永磁(PM)电机拓扑结构MAGNUS的转矩产生。采用了两种计算方法,一种是基于单个定子和转子部件的三维有限元Maxwell应力计算,另一种是基于气隙磁通密度谐波的解析推导。提供了具有40极辐条式永磁转子和两个定子的设计示例,其中一个有源定子包括一个三相绕组,其中6个集中线圈以单层排列缠绕在主齿上,第二个定子既没有线圈也没有主槽,并且以与有源定子相同的方式面向气隙。结果表明,定子主齿中包含的辅助小齿可以显著提高输出转矩,而异形定子对总转矩的贡献低于主动定子。关于正在进行的原型电机开发的简要报告包括在内。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Analysis of Torque Production in Axial-flux Vernier PM Machines of the MAGNUS Type
The paper presents a study of the torque production in a novel vernier-type axial-flux permanent magnet (PM) machine topology named MAGNUS. Two computational methods are employed, one based on the 3D FEA Maxwell stress calculations on individual stator and rotor components and one based on the analytical derivation of the air-gap flux density harmonics. Examples are provided for a design with a 40-pole spoke-type PM rotor and two stators, one active including a 3-phase winding with 6 concentrated coils wound around main teeth in a single layer arrangement and a second stator that has neither coils nor main slots and is profiled towards the airgap in the same way as the active stator. It is shown that auxiliary small teeth included in the stator main teeth yield a significant increase in the output torque and that the profiled stator has a lower contribution than the active stator to the total torque. A brief report on the ongoing development of a prototype motor is included.
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