东北大学学报:自然科学版 ›› 2017, Vol. 38 ›› Issue (11): 1524-1529.DOI: 10.12068/j.issn.1005-3026.2017.11.002

• 信息与控制 • 上一篇    下一篇

高效永磁调速器的损耗计算与分析

于林鑫, 王大志, 李硕, 郑迪   

  1. (东北大学 信息科学与工程学院, 辽宁 沈阳110819)
  • 收稿日期:2016-10-12 修回日期:2016-10-12 出版日期:2017-11-15 发布日期:2017-11-13
  • 通讯作者: 于林鑫
  • 作者简介:于林鑫(1989-),男,辽宁丹东人,东北大学博士研究生; 王大志(1963-),男,辽宁锦州人,东北大学教授,博士生导师.
  • 基金资助:
    中央高校基本科研业务费专项资金资助项目(N150403005).

Loss Calculation and Analysis of Efficient Permanent Magnet Coupler

YU Lin-xin, WANG Da-zhi, LI Shuo, ZHENG Di   

  1. School of Information Science & Engineering, Northeastern University, Shenyang 110819, China.
  • Received:2016-10-12 Revised:2016-10-12 Online:2017-11-15 Published:2017-11-13
  • Contact: YU Lin-xin
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摘要: 针对高效永磁调速器各部件的电磁损耗相关问题,以一台1MW高效永磁调速器为例,基于对损耗的理论分析和涡流场理论,建立了运动涡流场的三维有限元分析模型. 利用时步有限元法,对1MW高效永磁调速器的铜盘损耗、永磁体涡流损耗以及永磁体背衬钢盘对转矩的影响进行了详细的分析与计算. 通过对1MW高效永磁调速器的实验分析和有限元仿真,验证了分析与计算的正确性和规律的实用性. 最后深入分析了分段永磁体对永磁体涡流损耗的影响,为永磁调速器的效率分析、散热设计以及损耗优化提供了理论依据.

关键词: 铜盘损耗, 永磁体涡流损耗, 钢盘厚度, 有限元, 分段永磁体

Abstract: In allusion to the problems of electromagnetic loss of the permanent magnet coupler(PMC), a 1MW efficient PMC was utilized. Based on the theoretical analysis of loss and the theory of eddy current field, a three-dimensional finite element model of the eddy current field is established. The time-stepping finite element method is used to detailedly analyze and calculate the copper plate loss, permanent magnet eddy current loss and the torque of PM back iron of the 1MW PMC.The correctness and practicability of the analysis and calculation are validated by the experiment analysis and finite element simulation. Finally, the influence of the segmented permanent magnet on the eddy current loss is analyzed. It provides the theoretical basis for the efficiency analysis, heat dissipation design and loss optimization of PMC.

Key words: copper plate loss, permanent magnet eddy current loss, steel plate thickness, finite element, piecewise permanent magnets

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