Numerical Investigation of Heat Transfer in Air Cooled Permanent Magnet Electrical Machines

被引:0
|
作者
Lotfi Abdelhakim [1 ]
机构
[1] Szechenyi Istvan Univ Appl Sci, Dept Math, H-9007 Gyor, Hungary
关键词
PM machine; Joule losses; core losses; Finite element method; Thermal analysis; heat-transfer coefficient;
D O I
10.1063/1.4913164
中图分类号
O29 [应用数学];
学科分类号
070104 ;
摘要
The aim of this study is to present a magneto-thermal analysis of an external-rotor permanent magnet synchronous machine based on finite element method. The developed model can be used to predict temperature distribution inside the studied motor during the rated operation. Electromagnetic computation is carried out with the aid of two 2D finite-element (FE) simulations on the cross-section of the PM motor. In addition, the magnetic core losses of the stator and rotor are modelled based on the results from the electromagnetic analysis and a post-processing formula based on the loss-separation principle. After the loss calculation, the temperatures of the machine are calculated by using 3D finite element method. The results obtained by the model are compared with experimental results from testing the prototype electric motor.
引用
收藏
页数:6
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