[en] This paper deals with the electrokinetic modeling of earthing systems by means of a sub-domain perturbation finite element technique. An axisymmetric problem is solved for each single grounding rod or cable. Its solution must then be corrected by taking into account the influence of the other rods and cables. The electric scalar potential is transferred from one problem to the other through projections between meshes. An inherently 3D problem can thus be solved as a succession of 2D sub-problems, which significantly speeds up the solution and enables to tackle complicated grounding systems.
Disciplines :
Electrical & electronics engineering
Author, co-author :
V Sabariego, Ruth ; Université de Liège - ULiège > Dép. d'électric., électron. et informat. (Inst.Montefiore) > Applied and Computational Electromagnetics (ACE)
Ferreira da Luz, Mauricio V.; Federal University of Santa Catarina - UFSC, Florianopolis, Santa Catarina, Brazil > GRUCAD
Nzuru Nsekere, Jean-Pierre
Kuo-Peng, Patrick; Federal University of Santa Catarina - UFSC, Florianopolis, Santa Catarina, Brazil > GRUCAD
Lilien, Jean-Louis ; Université de Liège - ULiège > Dép. d'électric., électron. et informat. (Inst.Montefiore) > Transport et distribution de l'énergie
Geuzaine, Christophe ; Université de Liège - ULiège > Dép. d'électric., électron. et informat. (Inst.Montefiore) > Applied and Computational Electromagnetics (ACE)
Dular, Patrick ; Université de Liège - ULiège > Dép. d'électric., électron. et informat. (Inst.Montefiore) > Applied and Computational Electromagnetics (ACE)
Language :
English
Title :
Perturbation finite element method for the analysis of earthing systems with vertical and horizontal rods
Publication date :
December 2008
Event name :
6ème Conférence Européenne sur les Méthodes Numériques en Electromagnétisme (NUMELEC2008)
Event place :
Liège, Belgium
Event date :
December 8-10
Audience :
International
Main work title :
Proceedings of the 6ème Conférence Européenne sur les Méthodes Numériques en Electromagnétisme (NUMELEC2008)
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