Flashover performance of HVDC iced insulator strings

被引：27
|
作者：
Li, Peng [1 ]
Fan, Jianbin [1 ]
Li, Wufeng [1 ]
Su, Zhiyi [1 ]
Zhou, Jun [1 ]
机构：
[1] China Elect Power Res Inst, Beijing 100085, Peoples R China
来源：
IEEE TRANSACTIONS ON DIELECTRICS AND ELECTRICAL INSULATION | 2007年 / 14卷 / 06期
关键词：
iced insulator string; dc flashover; flashover; overhead line;
D O I：
10.1109/TDEI.2007.4401215
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：
Based on artificial icing test results, it was found that the dc flashover voltage of iced insulator strings was non-linear with different string lengths. An experimental formula of flashover voltage on iced insulators of different string lengths is introduced in this paper. Icing tests were carried out on different kinds of insulators including DC anti-fog, double-shed and three-shed insulators. Under serious ice conditions, the DC flashover voltages of the different types of insulator strings were very close. The flashover voltage of energized iced strings was a little higher than that of de-energized ones.
引用
收藏
页码：1334 / 1338
页数：5
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