Analysis of current distribution among long-flashover arresters for 10 kV overhead line protection against direct lightning strikes

被引：0
|
作者：
Belko, D. O. [1 ]
Podporkin, G. V. [1 ]
机构：
[1] Streamer Elect Co, St Petersburg, Russia
来源：
2016 33RD INTERNATIONAL CONFERENCE ON LIGHTNING PROTECTION (ICLP) | 2016年
关键词：
direct lightning strike; induced overvoltage; lightning protection; current through the arresters; 10 kV distribution line;
D O I：
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：
The paper presents ATP-EMTP software simulation of a direct lightning strike (DLS) into the one phase conductor of 10 kV overhead line (OHL). The model takes into account the influence of induced overvoltages (IOV) from the lightning leader. There have been obtained distributions of surge current among modular long-flashover arresters (LFA-M) mounted on the poles depending on the lightning strike location and pole footing resistance. The three principal types of impulses flowing through the arresters of each phase have been revealed. It has been discovered that a current impulse shape at arresters can greatly differ from that of lightning.
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页数：6
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