Abstract
Effect of filler on solid insulator surface and tracking length in high voltage systems
Highlights
Surface energy is the sum of all inter molecular forces that are acting on the surface of the material, which is much greater in case of zinc oxide, compared to aluminum oxide
The results show that zinc oxide filler outperformed aluminum oxide filler
From this research we can conclude that, by adding different fillers to the insulator specimens can greatly enhance their resistivity to erosion and track length
Summary
S olid insulators are exposed to diverse environmental disorders during operation that weakens the dielectric strength and other properties of solid insulation media. Inclined plane is a standard test method for the examination of surface tracking [3]. The results showed that with the increasing concentration thermal properties are improved and erosion and weight loss were decreased, which proves that resistance to erosion and tracking is improved [7].The authors presented the alternative gases such as R12 and R134 gases as an alternatives to SF6 gas in high voltage insulation [8,9]. Though the above authors successfully described and evaluated the effect of filler on insulator surface via various testing techniques and determined the track length but lack to provide the implementation of standard Inclined plane testing in HV laboratory. Our paper evaluates the effect of filler on Insulator surface using Inclined Plane test.
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