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Progress in Machines and Systems

Two-layer Grounding Grids Using Computational Procedures

Marinela Yordanova, Margreta Vasileva, Rositsa Dimitrova
Grounding, Ground Grid, Mesh Voltage, Two-layer soil

Abstract: In the work we have developed a system to record two-layer soil structure by calculating the mesh voltage Em. We have used the computational procedure of the standard IEEE 80-000. We have used the formula for homogeneous structure soil with horizontal stratified medium. We have also used a formulae of equivalent resistivity. We have arrived at the Em values based on regular shape of grounding grids.

Keywords: Grounding, Ground Grid, Mesh Voltage, Two-layer soil Two-layer Grounding Grids Using Computational Procedures

DOI:https://doi.org/10.6025/pms/2023/12/1/1-10

Full_Text PDF 2.17 MB Download: 69 times

References:

[1] IEEE Std, 80 (2000). IEEE Guide for Safety in AC Substation Grounding.
[2] Vujeviæ, S., Sarajèev, P. & Lovriæ, D. (2012). www.elsevier.com/locate/epsr Time-harmonic analysis of grounding system in horizontally stratified multilayer medium. Electric Power Systems Research, 83, 28–34 [DOI: 10.1016/j.epsr.2011.09.008].
[3] Nahman, J. & Paunovic, I. (2010). www.elsevier.com/locate/epsr Mesh voltages at earthing grids buried in multi-layer soil. Electric Power Systems Research, 80, 556–561 [DOI: 10.1016/j.epsr.2009.10.017].
[4] Jacobs, A.I. (1970) Reduction of the multilayer electrical structure of the earth to an equivalent two layers in the calculation of complex grounding systems. Electrical Technology (USSR), 3, 65–74.
[5] Yordanova, M. & Dimitrov, B. (2010). Potential Characteristics of Single and Group Earthing Devices, ICEST 2010, 23–26 June. Ohrid, Macedonia.

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