DocumentCode
2046644
Title
Space charge, oxidation and morphology changes in low density polyethylene during high voltage DC ageing
Author
Oldervoll, Frørydis ; Ildstad, Erling
Author_Institution
Dept. of Electr. Power Eng., Norwegian Univ. of Sci. & Technol., Trondheim, Norway
fYear
2000
fDate
2000
Firstpage
477
Lastpage
480
Abstract
It is important to get increased knowledge on how extruded insulation performs under HVDC ageing. In this work low density polyethylene with and without an antioxidant additive was subjected to thermal and electrical ageing. During ageing the crystallinity increased in both materials but no changes in the oxidation level was observed. The antioxidant additive had a major effect on the space charge accumulation during ageing
Keywords
ageing; insulation testing; oxidation; polyethylene insulation; polymer structure; power cable insulation; space charge; HVDC ageing; antioxidant additive; cable insulation; charge distribution; crystallinity increase; electrical ageing; extruded insulation; low density polyethylene; oxidation level; space charge accumulation; thermal ageing; Additives; Aging; Crystalline materials; Crystallization; HVDC transmission; Insulation; Morphology; Oxidation; Polyethylene; Space charge;
fLanguage
English
Publisher
ieee
Conference_Titel
Electrical Insulation, 2000. Conference Record of the 2000 IEEE International Symposium on
Conference_Location
Anaheim, CA
ISSN
1089-084X
Print_ISBN
0-7803-5931-3
Type
conf
DOI
10.1109/ELINSL.2000.845552
Filename
845552
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