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Chapter

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Title

Thermal properties of a mixture of mineral oil and synthetic ester in terms of its application in the transformer

Authors

[ 1 ] Instytut Elektroenergetyki, Wydział Elektryczny, Politechnika Poznańska | [ P ] employee

Year of publication

2016

Chapter type

paper

Publication language

english

Abstract

EN The article presents an analysis of thermal properties of a mixture of mineral oil and synthetic ester used in transformers. The oil/ester rate was as follows: 100%/0%, 95%/5%, 80%/20%, 50%/50%, 20%/80%, 5%/95%, and 0%/100% The measured thermal properties were: thermal conductivity, specific heat, viscosity, density, and the thermal expansion factor. On the basis of measurement results, the authors calculated the heat transfer factor α. This factor determines the ability of a liquid and it has the key influence in transformer cooling. The measurements were done for a wide temperature range from 25 to 80°C.

Pages (from - to)

857 - 860

DOI

10.1109/CEIDP.2016.7785457

URL

https://ieeexplore.ieee.org/document/7785457

Book

2016 IEEE Conference on Electrical Insulation and Dielectric Phenomena (CEIDP)

Presented on

Conference on Electrical Insulation and Dielectric Phenomena, CEIDP 2016, 16-19.10.2016, Toronto, Canada

Publication indexed in

WoS (15)

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