The Peak Value of Lightning-Induced Voltages in Overhead Lines for High Resistivity Soils

被引：0
|
作者：
Saldanha Paulino, Jose Osvaldo [1 ]
Barbosa, Celio Fonseca [2 ]
机构：
[1] Univ Fed Minas Gerais, Escola Engn, Dept Engn Eletr, Belo Horizonte, MG, Brazil
[2] Fundacao CPqD, Diretoria Redes Convergentes, Campinas, SP, Brazil
来源：
2017 INTERNATIONAL SYMPOSIUM ON LIGHTNING PROTECTION (XIV SIPDA) | 2017年
关键词：
component; formatting; style; styling; insert; HORIZONTAL ELECTRIC-FIELD; TIME-DOMAIN FORMULA;
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：
This paper presents an approximate formula for the peak value of the lightning-induced voltages in an aerial line over high resistivity soils. In its derivation, it is considered the transmission line return stroke model (TL) and a trapezoidal current waveform. The formula is an improved version of a previously expression presented by the authors, whereas its validity range is extended from 1000 Ohms.m to 10000 Ohms.m. The paper also illustrates the formula application in the assessment of the indirect lightning performance of overhead distribution lines.
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页码：1 / 6
页数：6
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