Resistance to earth of earthing grids buried in multi-layer soil

被引：0
|
作者：
Jovan Nahman
Ivica Paunovic
机构：
[1] University of Belgrade,Faculty of Electrical Engineering
[2] Hydro Power Plant “Djerdap”,undefined
来源：
Electrical Engineering | 2006年 / 88卷
关键词：
Earthing grids; Resistance; Multi-layer soil; Approximate expressions;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
Expressions for the resistance to earth of earthing grids buried in uniform, two- and three-layer soils are proposed based upon the examination of a large set of grids and soil structures using the finite-element approach. Simple empirical correction factors are introduced to modify the earth resistance formulae for uniform soil to account for the multi-layer soil structure. A comparative analysis of available expressions for uniform and two-layer soils is performed in order to check their applicability in various cases.
引用
收藏
页码：281 / 287
页数：6
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