A boundary element numerical approach for substation grounding in a two layer earth structure
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A boundary element numerical approach for substation grounding in a two layer earth structureFecha
1997Cita bibliográfica
Advances in computational engineering science, S. N. Atluri, G. Yagawa (eds.), p. 756-761
Resumen
[Abstract] Analysis and design of substation grounding requires computing the distribution of potential
on the earth surface (for reasons of human security) and the equivalent resistance of the earthing
system (for reasons of equipment protection) when fault conditions occur (Sverak et al.,1981).
A new Boundary Element approach for the numerical computation of substation grounding
systems in nonuniform soils is presented in this paper. The formulation is specially derived for
two-layer soil models, which are widely considered as adecquate for most practical cases. The
feasibility of this BEM approach is demonstrated by solving a real application problem, in which
accurate results for the equivalent resistance and the potential distribution on the ground surface
are obtained with acceptable computing requirements
ISBN
0-96570001-0-0