Time-Domain Analysis of Frequency-Dependent Electrical Parameters of Soil

被引：27

作者：

Alipio, Rafael ^{[1
]}

Visacro, Silverio ^{[2
]}

机构：

[1] Fed Ctr Technol Educ Minas Gerais, Dept Elect Engn, BR-31270901 Belo Horizonte, MG, Brazil

[2] Univ Fed Minas Gerais, Lightning Res Ctr, BR-30315220 Belo Horizonte, MG, Brazil

来源：

IEEE TRANSACTIONS ON ELECTROMAGNETIC COMPATIBILITY | 2017年 / 59卷 / 03期

关键词：

Frequency dependence of soil parameters; grounding; lightning; time-domain Maxwell equations; LIGHTNING-INDUCED VOLTAGES; GROUNDING ELECTRODES; OVERHEAD LINES; MODELS;

D O I：

10.1109/TEMC.2016.2631892

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：

The analysis of the impact of the frequency dependence of electrical parameters of soil on the lightning response of electrical systems has often been based on frequency-domain approaches. In this paper, a causal time-domain field formulation including the frequency dependence of soil parameters is proposed. The consistency of the developed formulation is proved considering a canonical electromagnetic problem and also comparisons with experimental results. The proposed formulation is useful for application of techniques such as the finite-difference time-domain method in problems involving dispersive soils.

引用

页码：873 / 878

页数：6

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