Losses calculation in transformer tie plate using the finite element method

被引：9
|
作者：
Lin, L [1 ]
Xiang, C
Zhang, YL
Cheng, ZG
Zhang, GQ
Zhao, YH
机构：
[1] N China Elect Power Univ, Hebei 071003, Peoples R China
[2] Baoding Tianwei Grp Co Ltd, Hebei 071056, Peoples R China
来源：
IEEE TRANSACTIONS ON MAGNETICS | 1998年 / 34卷 / 05期
关键词：
nonlinear magnetics; magnetic fields; eddy currents; hysteresis; losses; transformers;
D O I：
10.1109/20.717861
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 3D leakage magnetic field in a transformer is calculated by using the surface impedance method based on two scalar magnetic potentials. The leakage magnetic flux density and the highest temperature rise of the tie plate calculated are compared with the measured values, and the results are satisfied for engineering design. The nonlinear eddy current field inside the tie plate is calculated by using II as state variable directly. The eddy current and hysteresis losses of the tie plate are calculated respectively. The influences are analyzed of the width and the slot number of the tie plate and the transformer load current.
引用
收藏
页码：3644 / 3647
页数：4
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