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Article (Scientific journals)
Electrokinetic Model Refinement Via a Perturbation Finite-Element Method—From 2-D to 3-D
Ferreira da Luz, Mauricio V.; Dular, Patrick  ; V Sabariego, Ruth  et al.
2010 • In IEEE Transactions on Magnetics, 46 (8), p. 2839-2842
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Keywords :
Counterpoise wires; electrokinetic model; grounding resistance; perturbation finite-element method
Abstract :
[en] A method for increasing the contact area of a grounding system with the earth is the installation of counterpoise wires. Counterpoise wires improve the reliability of overhead power transmission lines. They are conductors buried in the ground parallel to or at an angle to the line conductors. This paper presents an electrokinetic model refinement via a perturbation finite-element method to calculate the grounding resistance of counterpoise wires. The perturbation method is herein developed for refining the electric field distribution in soil starting from simplified models, based on electric field distributions from 2-D models, that evolve towards a 3-D accurate model. The analysis of the distribution of the electric field and of the electric potential around the tower footing allows accurately determining the tower footing resistance. The comparisons between the grounding resistance simulated and calculated analytically of a counterpoise wire are presented.
Disciplines :
Electrical & electronics engineering
Author, co-author :
Ferreira da Luz, Mauricio V.;  Federal University of Santa Catarina, Florianopolis, Brazil > GRUCAD
Dular, Patrick ;  Université de Liège - ULiège > Dép. d'électric., électron. et informat. (Inst.Montefiore) > Applied and Computational Electromagnetics (ACE)
V Sabariego, Ruth ;  Université de Liège - ULiège > Dép. d'électric., électron. et informat. (Inst.Montefiore) > Applied and Computational Electromagnetics (ACE)
Kuo-Peng, Patrick;  Federal University of Santa Catarina, Florianopolis, Brazil > GRUCAD
Batistela, Nelson J.;  Federal University of Santa Catarina, Florianopolis, Brazil > GRUCAD
Language :
English
Title :
Electrokinetic Model Refinement Via a Perturbation Finite-Element Method—From 2-D to 3-D
Publication date :
August 2010
Journal title :
IEEE Transactions on Magnetics
Publisher :
IEEE, Piscataway, United States - New Jersey
Volume :
46
Issue :
8
Pages :
2839-2842
Peer reviewed :
Peer Reviewed verified by ORBi

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