ANALYSIS OF GROUNDING SYSTEMS IN SOILS WITH HEMISPHERICAL LAYERING

被引：26
|
作者：
MA, J [1 ]
DAWALIBI, FP [1 ]
DAILY, WK [1 ]
机构：
[1] FLORIDA POWER & LIGHT,DEPT POWER DELIVERY SUBSTN,DESIGN GRP,JUNO BEACH,FL 33408
来源：
IEEE TRANSACTIONS ON POWER DELIVERY | 1993年 / 8卷 / 04期
关键词：
GROUNDING; HETEROGENEOUS SOIL; HEMISPHERICAL SOIL (LAYERING; DISCONTINUITIES); EARTH POTENTIALS; GROUND POTENTIAL RISE;
D O I：
10.1109/61.248284
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 theoretical model for the analysis of grounding systems located inside or near hemispherical soil heterogeneities is presented for the first time. Exact closed-form analytical expressions for the earth potential calculations due to current sources in different regions of this soil structure have been obtained. Numerical results are presented for different grounding systems and for different types of hemispherical soil volumes. The results clearly show that these finite hemispherical soil heterogeneities have a significant influence on the performance of grounding systems. The results obtained are in agreement with well known simple case results and converge asymptotically to the uniform soil case.
引用
收藏
页码：1773 / 1781
页数：9
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