|2/2009 - 13|
Original Approaches for Solving Electromagnetic Interference ProblemsMICU, D. D. , MUNTEANU jr., R. , CHRISTOFORIDIS, G. C. , MANEA, B. , CECLAN, A.
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electromagnetic interference, induced current densities, induced voltages, numerical integration, ill-posed problems
electromagnetic(7), power(6), micu(6), pipelines(5), interference(5), systems(4), numerical(4), method(4)
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About this article
Date of Publication: 2009-06-02
Volume 9, Issue 2, Year 2009, On page(s): 82 - 89
ISSN: 1582-7445, e-ISSN: 1844-7600
Digital Object Identifier: 10.4316/AECE.2009.02013
Web of Science Accession Number: 000268723600013
SCOPUS ID: 70349168834
The accurate calculation of the current densities induced in layered soil by HV transmission lines in normal conditions is one of the most important steps in the study of the electromagnetic interference between transmission lines and underground metallic structures (i.e. metallic gas pipelines). In electromagnetic interference problems, the best way to investigate the soil's behavior as conducting media is to determine the current distribution within ground. The aim of the present paper is to examine the level of influence that soil layers with different resistivity have on the induced current densities. New analytical formulas for the induced current densities in the two-layer soil case are derived. The determined formulas contain semi-infinite integral terms which are calculated through a stable and efficient numerical integration scheme, in order to overcome the problems arising from the oscillate form of the infinite integrals. In the second part of the paper, the author's contribution relates to the exposure and implementation of a robust Monte Carlo simulation method, in an original approach, for solving ill-posed synthesis magnetic or electric field problems.
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