Aging effects on transformer oil mixtures

The authors present results of an extensive experimental study to investigate aging effects on transformer oil mixtures (TOMs). Accelerated aging was applied to TOM samples of different relative volumetric percentages using different doses of gamma -irradiation. The electrical and physical propertie...

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Bibliographic Details
Published inAnnual Conference on Electrical Insulation and Dielectric Phenomena pp. 660 - 666
Main Authors Elshazly-Zaghloul, M., Badawy, B.A., El-Meligy, A.
Format Conference Proceeding
LanguageEnglish
Published IEEE 1990
Subjects
Accelerated aging
Dielectric breakdown
Dielectric loss measurement
Dielectric losses
Dielectric measurements
Electric variables measurement
Gravity
Loss measurement
Oil insulation
Viscosity
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Summary:The authors present results of an extensive experimental study to investigate aging effects on transformer oil mixtures (TOMs). Accelerated aging was applied to TOM samples of different relative volumetric percentages using different doses of gamma -irradiation. The electrical and physical properties of a variety of samples were measured, e.g., dielectric strength, dielectric loss, specific gravity, viscosity, and flash point. Also, a gas analysis was carried out to compare with the actual aging situation. A comprehensive analysis of the results is presented, indicating the aging effects on the TOMs.< >
DOI:10.1109/CEIDP.1990.201413