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An analytical second-FDTD method for evaluation of electric and magnetic fields at intermediate distances from lightning channell

Izadi, Mahdi and Ab Kadir, Mohd Zainal Abidin and Gomes, Chandima and Wan Ahmad, Wan Fatinhamamah (2010) An analytical second-FDTD method for evaluation of electric and magnetic fields at intermediate distances from lightning channell. Progress In Electromagnetics Research, 110 . pp. 329-352. ISSN 1559-8985

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Official URL: http://www.jpier.org/PIER/pier.php?paper=10080801

Abstract

Evaluation of electric and magnetic fields due to lightning discharge is important in determination of lightning induced voltage and power system protection especially to the distribution system. In this paper, by using dipole method, Maxwell equations and second order finite-difference time domain (later referred as a 2nd FDTD method) on two realistic return stroke currents, an algorithm for evaluation of electric fields is proposed, which is based on numerical methods in the time domain. Besides proving greater accuracy, it also allows the evaluation of electric and magnetic fields away from lightning channel. In addition, the comparison between simulation results and measured fields' wave shape showed that the proposed algorithm is in good agreement for evaluation of electric and magnetic fields due to lightning channel.

Item Type:Article
Keyword:Electric; Magnetic fields; Lightning
Faculty or Institute:Faculty of Engineering
Publisher:Electromagnetics Academy
DOI Number:10.2528/PIER10080801
Altmetrics:http://www.altmetric.com/details.php?domain=psasir.upm.edu.my&doi=10.2528/PIER10080801
ID Code:12118
Deposited By: Muizzudin Kaspol
Deposited On:08 Jun 2011 11:35
Last Modified:28 Aug 2015 10:14

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