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浙江大学学报(工学版)
电气工程     
含极间填充块的高速表贴式永磁同步电机转子强度分析
陈亮亮1,祝长生1,蒋科坚2
1.浙江大学 电气工程学院,浙江 杭州310027;2.浙江理工大学 信息学院, 浙江 杭州310018
Rotor strength analysis for high speed surface mounted permanent magnet synchronous motor with filled blocks between magnetic poles
CHEN Liang liang1,ZHU Chang sheng1,JIANG Ke jian2
1.College of Electrical Engineering, Zhejiang University, Hangzhou 310027,China; 2.School of Informatics and Electronics, Zhejiang Sci Tech University, Hangzhou 310018, China
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摘要:

针对含极间填充块的高速表贴式永磁同步电机(SPMSM) 缺乏转子强度解析解的问题,将转子受力状况简化为平面应力问题,采用极坐标下的应力函数法和位移法,推导转子强度的解析公式.分别采用解析解和有限元法分析含极间填充块的高速表贴式永磁同步电机的转子强度.在转子强度解析解的基础上,进一步研究转速、护套厚度和过盈量对转子强度的影响,分析转子强度的变化规律.结果表明:解析解和有限元法的计算结果相吻合,解析解能准确计算电机转子的应力和位移.转速、护套厚度以及过盈量都对转子强度有重要影响,护套厚度和过盈量需要与最高转速相匹配才能使转子强度满足要求.

Abstract:

As for the problem of no analytical solution for the rotor strength of  high speed surface mounted permanent magnet synchronous motor (SPMSM) with filled blocks between magnetic poles, the rotor stress condition was simplified as a plane stress problem, and the analytical formulae for rotor strength was proposed based on the stress function method and the displacement method in polar coordinates. The rotor strength of a high speed SPMSM with filled blocks between magnetic poles was analyzed by presented analytical solution and finite element method, respectively. The effects of rotational speed, enclosure thickness and shrink range on rotor strength were further investigated based on the analytical solution of rotor strength, and the variation of rotor strength was analyzed. The results calculated by the analytical solution and finite element method are in good agreement with each other, and the analytical solution can predict the stress and displacement of the motor rotor accurately. Rotational speed, enclosure thickness and shrink range all have important effects on rotor strength. The enclosure thickness and shrink range should match the maximum speed of revolution in order to ensure the rotor strength meet the requirements.

出版日期: 2015-10-15
:  TM 351  
基金资助:

国家自然科学基金资助项目(51477155, 11172261,11272288);浙江省自然科学基金资助项目(LZ13E070001);先进航空发动机协同创新中心资助项目.

通讯作者: 祝长生,男,教授,博导. ORCID: 0000 0002 0127 8595.     E-mail: zhu_zhang@zju.edu.cn
作者简介: 陈亮亮(1984-),男,博士生,从事高速永磁电机设计研究.ORCID: 0000 0002 7727 2050. E-mail: chenlian0510@163.com
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引用本文:

陈亮亮,祝长生,蒋科坚. 含极间填充块的高速表贴式永磁同步电机转子强度分析[J]. 浙江大学学报(工学版), 10.3785/j.issn.1008 973X.2015.09.017.

CHEN Liang liang,ZHU Chang sheng,JIANG Ke jian. Rotor strength analysis for high speed surface mounted permanent magnet synchronous motor with filled blocks between magnetic poles. JOURNAL OF ZHEJIANG UNIVERSITY (ENGINEERING SCIENCE), 10.3785/j.issn.1008 973X.2015.09.017.

链接本文:

http://www.zjujournals.com/eng/CN/10.3785/j.issn.1008 973X.2015.09.017        http://www.zjujournals.com/eng/CN/Y2015/V49/I9/1738

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