Flashover Voltage of Outdoor Insulators in the Presence of Multiple Drybands

被引：0
|
作者：
Ramesh, M. [1 ]
Gorur, R. S. [1 ]
机构：
[1] Univ Alabama, Dept Elect & Comp Engn, Huntsville, AL 35816 USA
来源：
2019 IEEE CONFERENCE ON ELECTRICAL INSULATION AND DIELECTRIC PHENOMENA (CEIDP) | 2019年
关键词：
D O I：
10.1109/ceidp47102.2019.9009761
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：
In this paper a model to calculate the flashover voltage of polluted outdoor insulator in the presence of multiple dryband discharges is presented. Based on the power criterion for flashover, a generalized equation is proposed that can calculated the flashover voltage for serially burning multiple discharges on the surface of the polluted insulator. The model is further used to calculate the flashover voltage of standard insulator of rating 115kV. It was found that the presence of multiple smaller dryband discharges at every shed reduced the flashover voltage of 115kV insulator with a single predominant discharge by 15%.
引用
收藏
页码：401 / 404
页数：4
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