微特电机 ›› 2019, Vol. 47 ›› Issue (10): 16-20.

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轴向磁通永磁电机转子支架涡流损耗研究

李坊之1,黄平林1,尤壤2   

  1. 1.江苏大学 机械工程学院,镇江 212000; 2.杭州中豪电动科技股份有限公司,杭州310000
  • 收稿日期:2018-10-25 出版日期:2019-10-28 发布日期:2019-10-22

Research on Rotor Bracket Eddy Current Loss of Axial Flux Permanent Magnet Machine

LI Fang-zhi1,HUANG Ping-lin1,YOU Rang2   

  1. 1. College of Mechanical Engineering, Jiangsu University,Zhenjiang 212000,China;
    2.Hangzhou Zhonghao Electric Technology Co.,Ltd., Hangzhou 310000,China
  • Received:2018-10-25 Online:2019-10-28 Published:2019-10-22

摘要: 对轴向磁通永磁电机转子支架的涡流损耗进行分析,研究了几种不同电导率的转子支架材料对涡流损耗的影响,提出了通过优化转子支架的材料来抑制转子涡流损耗的具体策略。以一台样机为例,通过建立的理论公式对模型损耗的理论推导,运用ANSYS Maxwell进行有限元分析,得出转子支架的涡流损耗,样机实验验证了优化转子支架材料对抑制转子涡流损耗的作用。结果表明,优化转子支架材料可以有效抑制转子上的涡流效应、降低转子温升,该研究对实际工程应用具有积极意义。

关键词: 轴向磁通永磁电机, 电导率, 涡流损耗, ANSYS Maxwell, 有限元分析, 温升

Abstract: The eddy current loss of rotor support of axial flux permanent magnet (AFPM) machine was analyzed, and the effect of several kinds of rotor bracket materials with different electrical conductivity on eddy current loss was studied. The strategy to suppress rotor eddy current loss by optimizing rotor bracket materials was proposed.Theoretical formulas were used to deduce the model loss, ANSYS Maxwell was used for finite element analysis (FEA) to obtain the eddy current loss of the rotor bracket. A prototype test was carried out to verify the effect of optimizing the rotor bracket material on suppressing the rotor eddy current loss. The results show that the optimization of the rotor bracket material can effectively suppress the eddy current loss on the rotor and reduce the temperature rise of the rotor. This study has positive significance for practical engineering applications.

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