Investigation on Voltage Breakdown of Natural Ester Oils Based-On Zno Nanofluids

Abstract:

Transformer is one of the major component, which is the most important device in power system. Their lifetime depends upon liquid insulation that help transfer the heat out of its winding inside of transformer. Transformer oil uses mineral oil that is the most commonly used has very slow process on decomposition and non-biodegrade. This paper presents the investigation on breakdown voltage of two types of natural ester oils, including palm oil and soy bean based-on ZnO nanofluids. Nanofluids that use nanoparticles modified by use of surfactant that are suspended by process of sonication. Different fraction of nanoparticles were investigated from 0.1% - 0.5% by weight. The breakdown voltage were measured according to ASTM D877. The voltage breakdown strength increased significantly when nanoparticles were added in oils. The obtained results will enable transformer industry to develop liquid insulation dielectric for use in transformer in the future.

• Periodical: Advanced Materials Research (Volume 1119)
• Pages: 175-178
• DOI: https://doi.org/10.4028/www.scientific.net/AMR.1119.175
• Online since: July 2015
• Authors: Wittawat Saenkhumwong*, Amnart Suksri
• Keywords: Breakdown Strength, Nanofluids, Natural Ester

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