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Evaluation of Grounding Resistance and Inversion Method to Estimate Soil Electrical Grounding Parameters

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Slaoui, F. H. et Erchiqui, F. (2010). Evaluation of Grounding Resistance and Inversion Method to Estimate Soil Electrical Grounding Parameters. The International Journal of Multiphysics , 4 (3). p. 201-215. doi:10.1260/1750-9548.4.3.201 Repéré dans Depositum à https://depositum.uqat.ca/id/eprint/987

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Résumé

Soil resistivity plays a key role in designing grounding systems for highvoltage transmission lines and substations. The objectives of this paper are to determine the best estimated value of the apparent resistivity or electrode grounding resistance of N-layer soil and to use a new inversion method to precisely determine earth parameters. The inversion of electrical sounding data does not yield a unique solution, and a single model to interpret the observations is sought. This paper presents a new inversion method to statistically estimate soil parameters from Schlumberger and Wenner measurements. To validate the method and test the inversion scheme, four soundings were selected: two theoretical and two in the field. The procedure was applied using test data and a satisfactory soil model was obtained.

Type de document: Article
Informations complémentaires: Licence d'utilisation : CC-BY 4.0
Mots-clés libres: electrical grounding parameters; N-layer soil; apparent resistivity; resistivity measurement interpretation
Divisions: Génie
Date de dépôt: 29 mars 2020 17:48
Dernière modification: 29 mars 2020 17:48
URI: https://depositum.uqat.ca/id/eprint/987

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