Influence of electrode geometry and ground parameters on transient grounding impedance for small lightning current

被引：0
|
作者：
Yagi, Shinya [1 ]
Michishita, Koji [1 ]
Yokoyama, Shigeru [1 ]
机构：
[1] Shizuoka Univ, Dept Elect & Elect Engn, Hamamatsu, Shizuoka, Japan
来源：
2018 34TH INTERNATIONAL CONFERENCE ON LIGHTNING PROTECTION (ICLP 2018) | 2018年
关键词：
lightning protection; grounding impedance; soil resistivity; ground electrode;
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 transient ground impedance characteristics are discussed when the shape of the ground electrode and the electrical characteristics of the ground, namely the ground resistivity and the permittivity, are varied. The analysis is carried out through the FDTD method. The transient ground impedance estimated by the FDTD method is verified by comparison with experimental results by a model experiment. As a result, it was found that the factor that dominates the transient ground impedance varies depending on the time from the injection of the current.
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页数：5
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