Evaluation of loss factor of mineral oil and alternative fluids with temperature normalization

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dc.contributor.authorManeerot, S.
dc.contributor.authorNimsanong, P.
dc.contributor.authorPattanadech, N.
dc.date.accessioned2026-08-06T10:29:02Z
dc.date.available2026-08-06T10:29:02Z
dc.date.issued2020-07-01
dc.description.abstractThis paper proposes the evaluation of loss factor of mineral oil and alternative fluids the natural ester (FR3) with temperature normalization. The oil samples (i.e., mineral oil, natural ester, and palm oil) were prepared for experiments. The oil samples were dried at 70 °C under 200 mbar in the controlled temperature oven and then cooled down to ambient temperature. The moisture contents of the oil samples were measured according to ASTM D1533. The test cell, according to IEC61620, was employed in these measurements. The polarization currents, ipol(t), of such oil samples under electric field stress of 0.2 kV/mm with a temperature range from 30 to 70 °C were measured, The test results are summarized in this paper. The step response measurement results were analyzed for conductivities, permittivity, and loss factor value. It was found that increasing temperature causes increasing conductivities but decreasing permittivity of oil samples.
dc.identifier.citationProceedings 2020 6th International Conference on Engineering Applied Sciences and Technology Iceast 2020, 2020
dc.identifier.doi10.1109/ICEAST50382.2020.9165360
dc.identifier.other2-s2.0-85091982034
dc.identifier.urihttps://dspace.kmitl.ac.th/handle/123456789/11071
dc.sourceProceedings 2020 6th International Conference on Engineering Applied Sciences and Technology Iceast 2020
dc.subjectActivation energy
dc.subjectMineral oil
dc.subjectNatural ester
dc.subjectPalm oil
dc.subjectTemperature normalization
dc.subjectVariation coefficient of permittivity
dc.titleEvaluation of loss factor of mineral oil and alternative fluids with temperature normalization
dc.typeConference Paper

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