A study of degradation of cellulosic insulation materials in a power transformer. Part 2: tensile strength of cellulose insulation paper

Hill, D. J. T., Le, T. T., Darveniza, M. and Saha, T. (1995) A study of degradation of cellulosic insulation materials in a power transformer. Part 2: tensile strength of cellulose insulation paper. Polymer Degradation and Stability, 49 3: 429-435. doi:10.1016/0141-3910(95)00100-Z


Author Hill, D. J. T.
Le, T. T.
Darveniza, M.
Saha, T.
Title A study of degradation of cellulosic insulation materials in a power transformer. Part 2: tensile strength of cellulose insulation paper
Journal name Polymer Degradation and Stability   Check publisher's open access policy
ISSN 0141-3910
1873-2321
Publication date 1995-01-01
Sub-type Article (original research)
DOI 10.1016/0141-3910(95)00100-Z
Volume 49
Issue 3
Start page 429
End page 435
Total pages 7
Language eng
Abstract When cellulose insulation paper ages, its physical and chemical properties change, the paper loses its strength and becomes brittle. A study of the accelerated ageing of cellulosic insulation paper in insulation oil has been performed in the temperature range 129–166 °C under vacuum. The tensile strength of paper that has been subjected to accelerated ageing as well as of paper retrieved from a retired transformer were measured in the cross machine direction (CMD). The results were found to be consistent with the observed changes in the molecular weight of the insulation paper. The relationship between tensile strength and molecular weight has been delineated and correlated with information on the kinetics of degradation of the insulation paper.
Q-Index Code C1
Q-Index Status Provisional Code
Institutional Status Unknown

Document type: Journal Article
Sub-type: Article (original research)
Collection: School of Information Technology and Electrical Engineering Publications
 
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Created: Fri, 11 Mar 2011, 00:30:28 EST