Behavior of XLPE for HVDC Cables under Thermo-Electrical Stress: Experimental Study and Ageing Kinetics Proposal

Hanen Yahyaoui, Jerome Castellon, Serge Agnel, Aurelien Hascoat, Wilfried Frelin, Christophe Moreau, Pierre Hondaa, Dominique le Roux, Virginie Eriksson and Carl Johan Andersson
Additional contact information
Hanen Yahyaoui: Institut d’Electronique et des Systèmes, Université Montpellier, CNRS, 34090 Montpellier, France
Jerome Castellon: Institut d’Electronique et des Systèmes, Université Montpellier, CNRS, 34090 Montpellier, France
Serge Agnel: Institut d’Electronique et des Systèmes, Université Montpellier, CNRS, 34090 Montpellier, France
Aurelien Hascoat: EDF R&D, 77250 Les Renardières, France
Wilfried Frelin: EDF R&D, 77250 Les Renardières, France
Christophe Moreau: EDF R&D, 77250 Les Renardières, France
Pierre Hondaa: RTE, 92919 Paris la Défense, France
Dominique le Roux: BOREALIS, 444 86 Stenungsund, Sweden
Virginie Eriksson: BOREALIS, 444 86 Stenungsund, Sweden
Carl Johan Andersson: BOREALIS, 444 86 Stenungsund, Sweden

Energies, 2021, vol. 14, issue 21, 1-15

Abstract: The present work deals with the study of the electrical behavior of cross-linked polyethylene (XLPE) used for HVDC cable insulation. The aim is to better understand the influences of electrical and thermal stresses on the insulating material in order to provide useful information for designing HVDC cables. This study was carried out on Rogowski samples made of XLPE insulation with semiconductive electrodes, aged for more than 3 years (1220 days) at three different temperatures (70, 80 and 90 °C) under two DC electric fields (30 and 60 kV/mm). Dielectric loss factor, volume resistivity and space charge accumulation were measured. Results are analyzed and cross-correlated, in order to propose possible ageing kinetics.

Keywords: HVDC; XLPE cable; ageing; space charge; electric field; dielectric spectroscopy (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2021
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (2)

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