Thermal ageing performance evaluation of TUK and Nomex-910 papers in natural monoesters-Reference-Cited by-同舟云学术

Thermal ageing performance evaluation of TUK and Nomex-910 papers in natural monoesters

Published:2022-04-29 Issue:0 Volume:0 Page:
ISSN:2194-5756
Container-title:International Journal of Emerging Electric Power Systems
language:en
Short-container-title:

Author:

Mengounou Ghislain Mengata¹,Boyekong Gerard Ombick¹^ORCID,Nkouetcha Emeric Tchamdjio¹^ORCID,Imano Adolphe Moukengue¹

Affiliation:

1. Technology and Applied Sciences Laboratory, University of Douala , P.O. Box 2701 , Douala , Cameroon

Abstract

Abstract This paper is devoted to a comparative analysis of thermal ageing tests of Thermally Upgraded Kraft (TUK) and Nomex-910 papers dipped in palm kernel oil methyl ester (MEPKO), at 110, 130, and 150 °C, for 96 h each. After ageing, paper breakdown voltage (BDV), oils’ dissipation factor, dielectric constant and oxidation stability were determined. Nomex’s BDV was greater than TUK BDV. However, the dissipation factor of the Nomex samples is slightly higher than that of TUK, and the dielectric constant has the opposite behaviour. In addition, the decay content of Nomex/MEPKO was greater than with TUK/MEPKO. These experimental findings indicate that Nomex can be mainly used in high voltage, and TUK in medium voltage power transformers respectively, to allow judicious use of their individual characteristics and money savings.

Publisher

Walter de Gruyter GmbH

Subject

Energy Engineering and Power Technology

Link

https://www.degruyter.com/document/doi/10.1515/ijeeps-2021-0403/pdf

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