Surge behavior at the discontinuity of a vertical line over the ground

Xinghua Wang, Ya Ping Du, Mingli Chen, Xiaohong Huang

Research output: Journal article publicationJournal articleAcademic researchpeer-review

5 Citations (Scopus)

Abstract

This paper discusses the surge propagation at the discontinuity of a vertical line over the ground. Similar to a traditional transmission line, surge transmission at the discontinuity can be determined by its surge impedances. However, the surge impedances of a vertical line are different from the characteristic impedance of the transmission line. They respond differently to incident, transmitted and reflected waves, and vary with time. In this paper, these surge impedances are discussed in detail, and the methods for impedance evaluation are presented. The formulas of voltage and current transmission coefficients at the discontinuity are presented. A numerical example is presented to illustrate the surge impedances of a vertical line and to verify the formula of the transmission coefficients at the discontinuity.
Original languageEnglish
Pages (from-to)129-133
Number of pages5
JournalElectric Power Systems Research
Volume113
DOIs
Publication statusPublished - 1 Jan 2014

Keywords

  • Discontinuity
  • Partial Element Equivalent Circuit (PEEC)
  • Surge behavior
  • Surge impedance
  • Transmission coefficient
  • Vertical conductor

ASJC Scopus subject areas

  • Energy Engineering and Power Technology
  • Electrical and Electronic Engineering

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