Lightning Shielding Performance of Fully Composite Pylon

Tohid Jahangiri*, Qian Wang, Filipe Faria da Silva, Claus Leth Bak

*Corresponding author for this work

Research output: Contribution to book/anthology/report/conference proceedingBook chapterResearchpeer-review

Abstract

In this chapter, the basic concept of lightning shielding analysis of overhead transmission line using conventional electro-geometric (EGM) method is presented. Since the conventional EGM method is not applicable for the fully composite pylon, therefore, the conventional EGM is modified to be used for the assessment of lightning shielding performance of the pylon. The shielding failure rate (SFR) and shielding failure flashover rate (SFFOR) of the fully composite pylon with a preliminary assigned shielding angle of −60° are calculated using the modified EGM method for the vertical lightning strikes. The lightning shielding behavior of fully composite pylon against possible horizontal lightning strikes is also investigated using rolling sphere method (RSM).
Original languageEnglish
Title of host publicationElectrical Design of a 400 kV Composite Tower
Number of pages23
PublisherSpringer
Publication dateJan 2020
Pages157-179
ISBN (Print)978-3-030-17842-0
ISBN (Electronic)978-3-030-17843-7
DOIs
Publication statusPublished - Jan 2020
SeriesLecture Notes in Electrical Engineering
Volume557
ISSN1876-1100

Keywords

  • Electro-geometrical model (EGM)
  • Lightning
  • Rolling sphere model (RSM)
  • Shielding angle
  • Shielding failure flashover rate (SFFOR)
  • Shielding failure rate (SFR)

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