LIGHTNING RESPONSE OF CIRCULAR CONDUCTORS IN A LIGHTNING PROTECTION SYSTEM.

A. Braunstein*, I. Izraeli

*Corresponding author for this work

Research output: Contribution to conferencePaperpeer-review

Abstract

In this paper, a more accurate study of the temperature rise phenomena is presented, thus allowing for a better choice of conductors and a more reliable performance of lightning protection systems. This study is based on investigation of skin effect phenomena during transients and takes into account the shape of the conductor cross-sectional area. The thermal field caused by certain current distributions, which are defined by lightning studies, is analyzed. The lightning current is determined by means of Fourier analysis. The temperature rises are computed then for the various density values, the dimensions of the conductors, their physical properties and the time. The cases of circular Cu, Al and Fe, and coated (galvanized) conductors are described. Comparison of the calculated results with data given in several Codes of Practice, shows that in many cases, the choice of conductors has been unsuccessful. The method, presented in this paper, is, as the authors hope, a solution to this problem.

Original languageEnglish
StatePublished - 1977
EventIEEE Power Eng Soc, Summer Meet, Prepr - Mexico City, USA
Duration: 17 Jul 197722 Jul 1977

Conference

ConferenceIEEE Power Eng Soc, Summer Meet, Prepr
CityMexico City, USA
Period17/07/7722/07/77

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