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The effects of superimposed impulse transients on partial discharge in XLPE cable joint

Journal Article (2019)
Author(s)

Jiayang Wu (TU Delft - Electrical Engineering, Mathematics and Computer Science)

Armando Rodrigo Mor (TU Delft - Electrical Engineering, Mathematics and Computer Science)

Johan J. Smit (TU Delft - Electrical Engineering, Mathematics and Computer Science)

Research Group
DC systems, Energy conversion & Storage
DOI related publication
https://doi.org/10.1016/j.ijepes.2019.03.031 Final published version
More Info
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Publication Year
2019
Language
English
Research Group
DC systems, Energy conversion & Storage
Journal title
International Journal of Electrical Power & Energy Systems
Volume number
110
Pages (from-to)
497-509
Downloads counter
354
Collections
Institutional Repository
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Abstract

In practice, cross-linked polyethylene (XLPE) power cables can be subjected to alternating voltage with superimposed impulse transients. Such impulse transients may initiate partial discharges (PD) in insulation defects even below AC inception voltage. An initiated PD may persist under AC, which will cause insulation degradation. This paper investigates the PD behavior in MV XLPE cable accessories under impulse transients. Different scenarios of PD behavior are measured, described and analyzed. Based on the results, the effects of impulse transients on PD are summarized.