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

Energies

Carl Johan Andersson¹  Dominique le Roux¹  Virginie Eriksson¹  Wilfried Frelin²  Christophe Moreau²  Aurelien Hascoat²  Jerome Castellon³  Hanen Yahyaoui³  Serge Agnel³  Pierre Hondaa⁴ 

[1] BOREALIS, 444 86 Stenungsund, Sweden;EDF R&D, 77250 Les Renardières, France;Institut d’Electronique et des Systèmes, Université Montpellier, CNRS, 34090 Montpellier, France;RTE, 92919 Paris la Défense, France;

关键词: HVDC;    XLPE cable;    ageing;    space charge;    electric field;    dielectric spectroscopy;   

DOI  :  10.3390/en14217344

来源: DOAJ

【 摘 要 】

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.

【 授权许可】

Unknown