Polarization and depolarization current measurement applied for investigation of underground cable system problems

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dc.contributor.authorPattanadech, N.
dc.contributor.authorPhongsirichairojna, T.
dc.contributor.authorNavapittayaratana, N.
dc.contributor.authorNimsanong, P.
dc.contributor.authorJirathipchaisakul, T.
dc.contributor.authorChuayin, C.
dc.date.accessioned2026-08-06T10:25:04Z
dc.date.available2026-08-06T10:25:04Z
dc.date.issued2019-07-01
dc.description.abstractThis research investigates the problems in XLPE cables system. The 12/20(24) kV underground cable with the cross section area of 240 mm<sup>2</sup> was used in the experiment. Two 3 meter long cables were connected by a cable joint where the defect was simulated on. The dielectric investigation of XLPE cable system by polarization and depolarization current (PDC) measurement was performed comparatively among four different cases: a healthy cable with healthy heat shrinkable joint (case1), a cable joint with an incision on XLPE surface (case2), a cable joint contaminated with 20 micron iron powder on XLPE surface (case3) and a cable joint contaminated with 20 micron copper powder on XLPE surface (case4). Diagnostic parameters, PDC shapes, dielectric dissipation factor (DDF) and conduction current, derived from PDC test results for analyzing the dielectric response are proposed in this paper.
dc.identifier.citationProceedings of the 16th International Conference on Electrical Engineering Electronics Computer Telecommunications and Information Technology Ecti Con 2019, 361-364, 2019
dc.identifier.doi10.1109/ECTI-CON47248.2019.8955141
dc.identifier.other2-s2.0-85078818139
dc.identifier.urihttps://dspace.kmitl.ac.th/handle/123456789/9987
dc.sourceProceedings of the 16th International Conference on Electrical Engineering Electronics Computer Telecommunications and Information Technology Ecti Con 2019
dc.subjectCable joint
dc.subjectContaminants
dc.subjectPolarization and depolarization current
dc.subjectXlpe underground cable
dc.titlePolarization and depolarization current measurement applied for investigation of underground cable system problems
dc.typeConference Paper

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