Lightning Shielding Analysis of EHV and UHV Transmission Lines : On the Effect of Terrain Topography

被引：0
|
作者：
Cuaran, Jose [1 ]
Roman, Francisco [1 ]
Becerra, Marley [2 ]
机构：
[1] Univ Nacl Colombia, Dept Elect & Elect Engn, Bogota, Colombia
[2] KTH Royal Inst Technol, Sch Elect Engn, Stockholm, Sweden
来源：
2016 33RD INTERNATIONAL CONFERENCE ON LIGHTNING PROTECTION (ICLP) | 2016年
关键词：
Lightning protection; shielding failure; UHV power transmission lines; MODEL; FAILURE;
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：
In this paper, the Self-Consisting Leader Inception and Propagation Model -SLIM- is used to analyze the shielding performance of transmission lines, with special attention on the terrain topography effect. Transverse and Longitudinal terrain profiles are considered. It is found that a transmission line can be more vulnerable to be struck by lightning on any terrain that leads to increase the height of the conductors. In addition, the striking distance to the phase conductors strongly depends on the landform and the tower geometry, which suggests changes in the current lightning protection standards.
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页数：6
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