Abstract
Nowadays, the majority of power transformer high voltage (HV) bushings are consists of condenser oil Impregnated paper (OIP) type. These types of HV bushings comprises of a dielectric layers with conductive foils within each layer. Due to this, electric field (EF) is uniformly distributed. In this paper, finite element analysis (FEA) is used to calculate EF distribution along outer surface of 11 kV transformer bushing. The effect of different material types of the bushing on the EF distribution has also been studied. It is projected that the results will provide an improved understanding of the EF distribution on the bushing outlet. This study may also assist in scheming HV bushing which can reduce the magnitude EF in the bushing.
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