Analysis of resonance in transformer windings under Very Fast Transient Overvoltages

被引:0
|
作者
Sun, Haifeng [1 ]
Liang, Guishu [1 ]
Zhang, Xile [1 ,2 ]
Cui, Xiang [1 ]
机构
[1] Univ North China Elect Power Univ, Sch Elect Engn, Baoding, Heibei, Peoples R China
[2] Baoding TianWei Baobian Elect Co LTD, Baoding, Heibei, Peoples R China
关键词
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暂无
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
To study the resonance in transformer windings, under Very Fast Transient Overvoltages (VFTOs) generated by switching operations in Gas Insulated Substation (GIS), a single input and multiple output circuit model is presented in this paper which is based on Multi-conductor Transmission tine (MTL) model of transformer windings. The procedure to determine the transfer function is deduced. The resonant frequencies and the location of resonance are determined by the analysis of amplitude frequency response characteristics. For validation, the calculated results are compared with the measurements on a transformer winding model and the result is satisfactory.
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页码:432 / +
页数:2
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