Approximate model for ground inhomogeneity with rectangular cross section: application to analysis of grounding systems

被引：1

作者：

Vuckovic, Dragan D. ^{[1
]}

Cvetkovic, Nenad N. ^{[1
]}

Stojanovic, Miodrag S. ^{[1
]}

Iatcheva, Ilona ^{[2
]}

机构：

[1] Univ Nis, Fac Elect Engn, A Medvedeva 14, Nish 18000, Serbia

[2] Tech Univ Sofia, Dept Theoret Elect Engn, Kliment Ohridski Blvd 8, Sofia 1000, Bulgaria

来源：

ELECTRICAL ENGINEERING | 2018年 / 100卷 / 01期

关键词：

Cylinder; Green's function; Grounding; Non-homogeneous media; Quasi-stationary regime; HETEROGENEITIES; SOILS;

D O I：

10.1007/s00202-016-0483-1

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 procedure for characterization of lighting pole grounding systems placed inside and/or outside the road is presented in the paper. The road is treated as ground inhomogeneity of parallelepiped shape. Using an estimation method, the road is approximated by a domain having a semi-circular cross section. The analysis includes application of the quasi-stationary image theory, and Green's function for the point source placed inside/outside the cylinder of semi-circular cross section. Leakage current distributions are obtained applying the Method of Moments. Afterwards, the grounding system characteristics are determined. The results are compared to the ones obtained by the COMSOL software package.

引用

页码：75 / 82

页数：8

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