Accurate representation of soil behaviour for transient studies

被引：19
作者：
Portela, CM
Tavares, MC
Pissolato, J
机构：
[1] Univ Fed Rio de Janeiro, COPPE, BR-22640150 Rio De Janeiro, Brazil
[2] Univ Estadual Campinas, Sch Elect & Comp Engn, Dept Energy Control & Syst, BR-13081970 Campinas, SP, Brazil
来源：
IEE PROCEEDINGS-GENERATION TRANSMISSION AND DISTRIBUTION | 2003年 / 150卷 / 06期
关键词：
D O I：
10.1049/ip-gtd:20030879
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：
A paper representation of soil behaviour for transient studies is presented. Such representation is more accurate than the most common procedures of engineering practice and, in several conditions, lead to results with important differences. The proposed model takes into account the earth's conductivity and permittivity frequency dependence, which normally are not considered. One of the aspects covered in the paper is the importance of properly considering the earth's electromagnetic behaviour when calculating transmission fine parameters. Some comparisons are presented for an actual 440kV three-phase transmission fine in which the soil behaviour is represented through a unique real value of conductance (the normal approach) and through the proposed model.
引用
收藏
页码：736 / 744
页数：9
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