Lightning electromagnetic field generated by grounding electrode considering soil ionization

被引：0
|
作者：
Zeng Rong [1 ]
He Jinliang [1 ]
Zhang Bo [1 ]
Gao Yanqing [1 ]
机构：
[1] Tsing Hua Univ, Dept Elect Engn, State Key Lab Power Syst, Beijing 100084, Peoples R China
来源：
PROGRESS IN NATURAL SCIENCE | 2006年 / 16卷 / 09期
关键词：
electromagnetic field; grounding electrode; soil ionization; transient characteristic;
D O I：
暂无
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
A circuit model with lumped time-variable parameter is proposed to calculate the transient characteristic of grounding electrode under lightning current, which takes into consideration the dynamic and nonlinear effect of soil ionization around the grounding electrode. The ionization phenomena in the soil are simulated by means of time-variable parameters under appropriate conditions. The generated electromagnetic field in the air is analyzed by using electrical dipole theory and image theory when the lightning current flows into the grounding electrode. The influence of soil ionization on the electromagnetic field is investigated.
引用
收藏
页码：1002 / 1006
页数：5
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