Equivalent PI circuit for zero-sequence double circuit transmission lines

Ning Kang, Yuan Liao

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

12 Scopus citations

Abstract

To accurately represent a transmission line, the equivalent PI circuit is required. This representation is based on the distributed parameter line model and fully considers the fact that the parameters including impedance and admittance are uniformly distributed throughout the entire length of the line. For a single-circuit transmission line or a positive/negative sequence double-circuit line, its equivalent PI circuit based on the distributed parameter line model has been well established in the literature. This paper aims to provide the equivalent PI circuit parameters for the zero-sequence networks of a double-circuit line where there is a mutual coupling between the parallel lines. The derivation is based on the solution of the differential equations in the time-domain. Hyperbolic forms of the parameters of the equivalent PI circuit are resulted. A numerical example is utilized to demonstrate the application of the equivalent PI circuit parameters and compare with the nominal PI circuit parameters.

Original languageEnglish
Title of host publication2012 IEEE Power and Energy Society General Meeting, PES 2012
DOIs
StatePublished - 2012
Event2012 IEEE Power and Energy Society General Meeting, PES 2012 - San Diego, CA, United States
Duration: Jul 22 2012Jul 26 2012

Publication series

NameIEEE Power and Energy Society General Meeting
ISSN (Print)1944-9925
ISSN (Electronic)1944-9933

Conference

Conference2012 IEEE Power and Energy Society General Meeting, PES 2012
Country/TerritoryUnited States
CitySan Diego, CA
Period7/22/127/26/12

Keywords

  • distributed parameter line model
  • double-circuit transmission line
  • Equivalent PI circuit
  • lumped parameter line model
  • nominal PI circuit
  • zero-sequence networks

ASJC Scopus subject areas

  • Energy Engineering and Power Technology
  • Nuclear Energy and Engineering
  • Renewable Energy, Sustainability and the Environment
  • Electrical and Electronic Engineering

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