Thermal Index Estimation of Thermally Upgraded Kraft Paper in Mineral Oil and Natural Ester Insulating Liquids Under Accelerated Aging Conditions

The thermal index for thermally upgraded Kraft paper was determined for a series of five mineral insulating liquids and two natural esters using IEEE Standard C57.100 Annex A.4.2 and compared with the values in IEEE Standard C57.91.

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Bibliographic Details
Published in:IEEE electrical insulation magazine 2022-07, Vol.38 (4), p.26-36
Main Authors: Casserly, Ed, Acosta, Juan, Holden, Andy, Greaves, Brad, Prevost, Tom
Format: Magazinearticle
Language:English
Subjects:
accelerated paper aging
Aging (natural)
Degradation
degree of polymerization
Dielectric liquids
Esters
IEEE Standards
Indexes
Liquids
Lubrication
mineral oil
Mineral oils
Minerals
natural ester
Oils
tensile strength
Thermal analysis
thermal index
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Description
Summary:The thermal index for thermally upgraded Kraft paper was determined for a series of five mineral insulating liquids and two natural esters using IEEE Standard C57.100 Annex A.4.2 and compared with the values in IEEE Standard C57.91.
ISSN:0883-7554
1558-4402
DOI:10.1109/MEI.2022.9797258