Calculation and control of stray losses in power transformer

被引：3
|
作者：
Li, Yan [1 ]
Eerhemubayaer [1 ]
Jing, Yongteng [1 ]
Sun, Xin [1 ]
Yang, Shiyou [2 ]
机构：
[1] Shenyang Univ Technol, Res Inst Special Elect Machines, Shenyang 110870, Liaoning, Peoples R China
[2] Zhejiang Univ, Coll Elect Engn, Hangzhou 310003, Zhejiang, Peoples R China
来源：
INTERNATIONAL JOURNAL OF APPLIED ELECTROMAGNETICS AND MECHANICS | 2012年 / 39卷 / 1-4期
关键词：
Power transformers; stray losses; magnetic shields;
D O I：
10.3233/JAE-2012-1549
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 stray losses in tank walls, yoke clamps, tensile plate of core limb and other electrically conductive construction parts of a transformer are computed using three-dimensional time harmonic finite element method. The distributions of losses in the construction parts are then analyzed, and the measures of controlling and reducing stray losses were discussed. The different types of magnetic shields are investigated to reduce the eddy current loss in the tank wall and the yoke clamps. Influence of both shielding types and dimensional parameters of a specific shield on the stray losses is discussed to fascinate engineering applications.
引用
收藏
页码：835 / 841
页数：7
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