GDL

Journal from gdlhub / 2020-01-10 08:44:04
By : Abdul Rajab, Fernanda Eko Putra, M. Imran Hamid, Melda Latief, Novison Novison, Kiasatina Azmi, M. Firdaus Akbar J. K.,M. Kamarol M. Jamil, Telkomnika
Created : 2020-01-10, with 1 files

Keyword : filtration, important properties, insulating oil, methyl ester, water content
Url : http://journal.uad.ac.id/index.php/TELKOMNIKA/issue/view/640
Document Source : web

An attempt to develop a monoester type insulating oil, especially methyl ester is being conducted

and the current results after conducting two kinds of treatment, namely, filtration and water reduction are

reported in this paper. Five different samples were prepared from methyl ester oil based on their melting

point. The important properties of oil samples such as breakdown voltage, viscosity, water content, acidity,

and density were tested, and are evaluated based on the standard specification of natural ester used for

the transformer, ASTM D-6871. Another important property, i.e. oxidation stability was also tested and is

evaluated by comparing the corresponding result of mineral oil. It is found that the breakdown voltage,

the viscosity and the relative density of the oil fulfill the requirements specified by the standard, whereas

other properties like water content, acidity and oxidation stability need further improvement.

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