Multi-field Coupling Simulation and Experimental Study on Transformer Vibration Caused by DC Bias

被引：14

作者：

Wang, Jingang ^{[1
]}

Gao, Can ^{[1
]}

Duan, Xu ^{[2
]}

Mao, Kai ^{[3
]}

机构：

[1] Chongqing Univ, State Key Lab Power Transmiss Equipment & Syst Se, Chongqing 630044, Peoples R China

[2] Jinan Power Supply Co, State Grid Shandong Elect Power Co, Jinan, Shandong, Peoples R China

[3] Yongchuan Power Supply Co, State Grid Chongqing Elect Power Co, Chongqing, Peoples R China

来源：

JOURNAL OF ELECTRICAL ENGINEERING & TECHNOLOGY | 2015年 / 10卷 / 01期

关键词：

Multi-physical field simulation in COMSOL; Electromagnetic-structural force field coupling; DC bias transformer vibration; CORE;

D O I：

10.5370/JEET.2015.10.1.176

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：

DC bias will cause abnormal vibration of transformers. Aiming at such a problem, transformer vibration affected by DC bias has been studied combined with transformer core and winding vibration mechanism use multi-physical field simulation software COMSOL in this paper. Furthermore the coupling model of electromagnetic-structural force field has been established, and the variation pattern of inner flux density, distribution of mechanical stress, tension and displacement were analyzed based on the coupling model. Finally, an experiment platform has been built up which was employed to verify the correctness of model.

引用

页码：176 / 187

页数：12

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