Time-Domain Analysis of Rocket-Triggered Lightning-Induced Surges on an Overhead Line

被引:35
|
作者
Saldanha Paulino, Jose Osvaldo [1 ]
Barbosa, Celio Fonseca [2 ]
da Silva Lopes, Ivan Jose [1 ]
de Miranda, Glassio Costa [1 ]
机构
[1] Univ Fed Minas Gerais, BR-31270901 Belo Horizonte, MG, Brazil
[2] Ctr Pesquisa & Desenvolvimento Telecomunicaco, BR-13083060 Campinas, SP, Brazil
关键词
Electromagnetic fields; finitely conducting earth; induced surges; lightning; time-domain analysis; HORIZONTAL ELECTRIC-FIELD; INDUCED VOLTAGES; FORMULA; CONDUCTIVITY;
D O I
10.1109/TEMC.2009.2021070
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
This paper presents the results of simultaneous measurements of a return stroke current from rocket-triggered lightning and the current induced on a nearby 2600-m-long line. The experimental data are compared with the results of calculations using time-domain equations and show good agreement. The induced current is calculated using the equation for the vertical electric field for perfect conducting earth proposed by Rusck and the equation for the horizontal electric field for finitely conducting earth proposed by Barbosa and Paulino. The coupling between the electric fields and the line is carried out using the model proposed by Agrawal. The paper also compares the results of the calculations with results available in the literature, and discusses the effect of line length and earth resistivity on the induced voltages.
引用
收藏
页码:725 / 732
页数:8
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