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


Citation

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

Abstract / Synopsis

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.


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Additional Metadata

Item Type: Article
Divisions: Faculty of Engineering
DOI Number: https://doi.org/10.2528/PIER10080801
Publisher: Electromagnetics Academy
Keywords: Electric; Magnetic fields; Lightning
Depositing User: Muizzudin Kaspol
Date Deposited: 08 Jun 2011 03:35
Last Modified: 29 Sep 2015 01:31
Altmetrics: http://www.altmetric.com/details.php?domain=psasir.upm.edu.my&doi=10.2528/PIER10080801
URI: http://psasir.upm.edu.my/id/eprint/12118
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