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Comparing wave propagation characteristics of MV XLPE cable and covered-conductor overhead line using time domain refiectometry technique
Aalto Univ, Power Syst & High Voltage Engn Lab, Helsinki, Finland..
KTH, School of Information and Communication Technology (ICT), Electronic Systems.
Aalto Univ, Power Syst & High Voltage Engn Lab, Helsinki, Finland..
2007 (English)In: 2007 INTERNATIONAL CONFERENCE ON ELECTRICAL ENGINEERING, IEEE , 2007, p. 350-+Conference paper, Published paper (Refereed)
Abstract [en]

In this paper, the wave propagation characteristics of single-phase medium voltage (MV) cross-linked polyethylene (XLPE) cable are determined using Time Domain Reftectometry (TDR) measurement technique. TDR delivers the complex propagation constant (attenuation and phase constants) of lossy cable transmission line as a function of frequency. The frequency dependent propagation velocity is also determined from the TDR measurements through the parameters extraction procedure. The TDR measurement results for MV XLYE cable and coveredconductor (CC) overhead line are compared and it is proved that CC line has lower attenuation and higher propagation velocity than power cable. The measurement results can be used to localize the discontinuities in XLPE power cables and for PD detection to monitor falling trees on the MV CC overhead lines.

Place, publisher, year, edition, pages
IEEE , 2007. p. 350-+
National Category
Electrical Engineering, Electronic Engineering, Information Engineering
Identifiers
URN: urn:nbn:se:kth:diva-242366ISI: 000254289200065OAI: oai:DiVA.org:kth-242366DiVA, id: diva2:1286225
Conference
2007 INTERNATIONAL CONFERENCE ON ELECTRICAL ENGINEERING
Note

QC 20190206

Available from: 2019-02-06 Created: 2019-02-06 Last updated: 2019-02-06Bibliographically approved

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