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浙江大学学报(工学版)
浙江大学学报(工学版)
机械工程     
表贴式永磁电机电枢反应磁场的子域模型
韩汇文,祝长生
浙江大学 电气工程学院,浙江 杭州 310027
Subdomain model for armature reaction flied of surface-mounted permanent magnet machines
HAN Hui-wen, ZHU Chang-sheng
College of Electrical Engineering, Zhejiang University, Hangzhou 310027, China
 全文: PDF(862 KB)  
摘要：

将表贴式永磁电机的电枢反应磁场划分为气隙子域(包含永磁体区域)、定子槽子域和定子槽开口子域,求解各个子域上的泛定方程得到其通解；施加通过考虑转子偏心的一阶摄动法得到的边界条件和分界面条件,来求得每个子域上电枢反应磁场的解析解.建立可以精确考虑定子槽、定子槽开口和转子偏心影响的表贴式永磁电机电枢反应磁场的解析子域模型,将解析模型的计算结果与采用有限元法得到的计算结果进行对比,结果表明:该解析模型可以精确地预测含有齿槽效应和转子偏心（静偏心、动偏心及两者组合）影响的表贴式永磁电机的电枢反应磁场.
关键词： 电枢反应;  子域模型;  齿槽效应;  转子偏心;  磁场    
Abstract:

By dividing the armature reaction magnetic field domain of the slotted surface-mounted permanent magnet machine into three types of subdomains, i.e., air-gap including magnet region, slot region and slot opening region, magnetic field governing equations in each subdomain were solved. By applying the boundary and interface conditions acquired by the first-order perturbation method which could account for the effect of rotor eccentricity,the analytical solution of the armature reaction field of each subdomain was derived. An analytical subdomain model of the armature reaction magnetic field in surface-mounted permanent magnet machines taking the influence of rotor eccentricity and slotting effect into consideration was built. The results obtained by finite element method validate that the proposed subdomain model can accurately predict the armature reaction magnetic field in surface-mounted permanent magnet machines with rotor eccentricity(static, dynamic and combined eccentricity) and slotting effect．
Key words: slotting effect    magnetic field    armature reaction    rotor eccentricity    subdomain model
出版日期: 2014-09-30
:  TM 351  
基金资助:

浙江省科技厅公益技术应用研究资助项目(2011C21021)；国家自然科学基金资助项目(11172261);浙江省自然科学基金资助项目(LZ13E07000)；中央高校基本科研业务费专项资金资助项目(2013XZZX005)；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     E-mail: zhu_zhang@zju.edu.cn
作者简介: 韩汇文(1988-)，男，硕士生，从事永磁电机电磁振动的研究.E-mail: raphealhan@126.com
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引用本文:

韩汇文,祝长生. 表贴式永磁电机电枢反应磁场的子域模型[J]. 浙江大学学报(工学版), 10.3785/j.issn.1008-973X.2014.09.020.

HAN Hui-wen, ZHU Chang-sheng. Subdomain model for armature reaction flied of surface-mounted permanent magnet machines. JOURNAL OF ZHEJIANG UNIVERSITY (ENGINEERING SCIENCE), 10.3785/j.issn.1008-973X.2014.09.020.

链接本文:

http://www.zjujournals.com/xueshu/eng/CN/10.3785/j.issn.1008-973X.2014.09.020    或    http://www.zjujournals.com/xueshu/eng/CN/Y2014/V48/I9/1682

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