A travelling wave-based fault location method for hybrid three-terminal circuits

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17 Scopus citations

Abstract

In this paper, a travelling wave-based fault location method for hybrid three-terminal transmission systems, including offshore cables and an onshore overhead line, is proposed. Such systems are utilized for offshore wind farms interconnection. The receiving ends are equipped with optical transient recorders as well as Global Positioning System (GPS) signal receivers to measure synchronized transient voltages. Discrete Wavelet Transform (DWT) is utilized to extract transient information from the measured voltages. The arrival times of travelling waves at the receiving ends obtained using voltage wavelet transformation coefficient squared (WTC2) are utilized for faulty segment identification and fault location. Transient simulations are carried out using EMTP-RV software and MATLAB Wavelet Toolbox is utilized for post-fault analysis. The simulation results are presented to validate the performance of the proposed method.

Original languageEnglish
Title of host publication2015 IEEE Power and Energy Society General Meeting, PESGM 2015
PublisherIEEE Computer Society
ISBN (Electronic)9781467380409
DOIs
StatePublished - Sep 30 2015
EventIEEE Power and Energy Society General Meeting, PESGM 2015 - Denver, United States
Duration: Jul 26 2015Jul 30 2015

Publication series

NameIEEE Power and Energy Society General Meeting
Volume2015-September
ISSN (Print)1944-9925
ISSN (Electronic)1944-9933

Conference

ConferenceIEEE Power and Energy Society General Meeting, PESGM 2015
Country/TerritoryUnited States
CityDenver
Period07/26/1507/30/15

Keywords

  • Crossbonded cables
  • fault location
  • travelling wave
  • wavelet transformation

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