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
收藏
页码：873 / 878
页数：6
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