Calculation of eddy current field in the ascending flange for the bushings and tank wall of a large power transformer

被引：19
|
作者：
Ho, S. L. [1 ]
Li, Y. [2 ]
Tang, R. Y. [2 ]
Cheng, K. W. E. [3 ]
Yang, S. Y. [4 ]
机构：
[1] Hong Kong Polytech Univ, Dept Elect Engn, Hong Kong, Hong Kong, Peoples R China
[2] Shenyang Univ Technol, Res Inst Special Elect Machines, Shenyang 110034, Peoples R China
[3] Hong Kong Polytech Univ, Ind Ctr, Hong Kong, Hong Kong, Peoples R China
[4] Zhejiang Univ, Coll Elect Engn, Hangzhou 310027, Peoples R China
来源：
IEEE TRANSACTIONS ON MAGNETICS | 2008年 / 44卷 / 06期
关键词：
eddy current field; loss; power transformer;
D O I：
10.1109/TMAG.2007.914858
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
The 3-D open boundary eddy current field induced by heavy current flowing in the coils and winding leads in large power transformers is calculated. The eddy current loss and local overheating problem in the tank wall and in the ascending flange of bushings are analyzed and reported in this paper. The effectiveness of a magnetic bypass plate near the coil ends for reducing the eddy current loss and local overheating in the clamp plates is discussed.
引用
收藏
页码：1522 / 1525
页数：4
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