<abstract xmlns="http://www.w3.org/1999/xhtml"><p>In this paper, general electric field expressions are proposed to consider the effect of channel base ground reflections and ground conductivity on the electric field components due to lightning. The proposed method can support different current models and functions directly in the time domain without the need to apply any extra conversions. The proposed method is applied on a sample of measured channel base current from triggered lightning experiment and the results are discussed accordingly. The results show that the ground reflection and ground conductivity can have an effect on the peak values of the electric fields whereby the electric field components have a great effect on the widely used coupling models.</p></abstract>

In this paper, general electric field expressions are proposed to consider the effect of channel base ground reflections and ground conductivity on the electric field components due to lightning. The proposed method can support different current models and functions directly in the time domain without the need to apply any extra conversions. The proposed method is applied on a sample of measured channel base current from triggered lightning experiment and the results are discussed accordingly. The results show that the ground reflection and ground conductivity can have an effect on the peak values of the electric fields whereby the electric field components have a great effect on the widely used coupling models.

Considering on Lightning Electric Fields in Presence of Ground Reflection at Non-Perfect Ground

Centre for Electromagnetic and Lightning Protection research, Faculty of Engineering, University Putra Malaysia, UPM, Serdang, Selangor 43400, Malaysia

Department of Electrical, Firoozkooh Branch, Islamic Azad University, Firoozkooh, Iran

Journal of Electrical Engineering

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

In this paper, general electric field expressions are proposed to consider the effect of channel base ground reflections and ground conductivity on the...

Considering on Lightning Electric Fields in Presence of Ground Reflection at Non-Perfect Ground

Published Online: Aug 21, 2014

Page range: 242 - 247

Received: Sep 20, 2012

DOI: https://doi.org/10.2478/jee-2014-0037

Keywords
lightning, electromagnetic fields, ground conductivity, ground reflection factor

© 2014 Faculty of Electrical Engineering and Information Technology, Slovak University of Technology

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

Considering on Lightning Electric Fields in Presence of Ground Reflection at Non-Perfect Ground

Published Online: Aug 21, 2014

Page range: 242 - 247

Received: Sep 20, 2012

DOI: https://doi.org/10.2478/jee-2014-0037

Keywordslightning, electromagnetic fields, ground conductivity, ground reflection factor

© 2014 Faculty of Electrical Engineering and Information Technology, Slovak University of Technology

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

Keywords
lightning, electromagnetic fields, ground conductivity, ground reflection factor