Applications of time-domain numerical electromagnetic code to lightning surge analysis

Ramesh Pokharel, Masaru Ishii

Research output: Contribution to journalArticle

22 Citations (Scopus)

Abstract

Recently, applications of 3-D numerical electromagnetic analysis have been increasing either for lightning electromagnetic impulse (LEMP) studies or lightning surge analyses on transmission and distribution lines. This paper is mainly concerned with the use of time- and frequency-domain codes for electromagnetic analysis of lightning surges. The thin-wire in time-domain (TWTD) code and numerical electromagnetic code (NEC-2) in the frequency domain based on the method of moments are chosen for comparative studies. The accuracy of TWTD code in the analysis of lightning surge characteristics of a double-circuit transmission tower is first investigated by comparing the computed results with the measured results on a reduced-scale tower model, computed results by NEC-2 on a full-scale tower model, and those computed by electromagnetic transients program. In the latter part of the paper, a switch model is combined with the TWTD code, and its applicability in analyzing the lightning surge characteristics of a transmission tower equipped with a surge arrester or in analyzing lightning-induced voltage on an overhead line is demonstrated.

Original languageEnglish
Pages (from-to)623-631
Number of pages9
JournalIEEE Transactions on Electromagnetic Compatibility
Volume49
Issue number3
DOIs
Publication statusPublished - Dec 1 2007

Fingerprint

lightning
Lightning
towers
electromagnetism
Towers
wire
Wire
transmission circuits
arresters
Lightning arresters
Overhead lines
method of moments
Method of moments
transmission lines
impulses
switches
Switches
Networks (circuits)
Electric potential
electric potential

All Science Journal Classification (ASJC) codes

  • Atomic and Molecular Physics, and Optics
  • Condensed Matter Physics
  • Electrical and Electronic Engineering

Cite this

Applications of time-domain numerical electromagnetic code to lightning surge analysis. / Pokharel, Ramesh; Ishii, Masaru.

In: IEEE Transactions on Electromagnetic Compatibility, Vol. 49, No. 3, 01.12.2007, p. 623-631.

Research output: Contribution to journalArticle

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