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Effect of Pollutants on Flashover of Porcelain, Glass and Polymer Insulators
Manjang S.
Aip Conference Proceedings
Abstract
This study is to determine how the influence of pollutants on the performance of an insulator, in this case looking at the flashover voltage value parameter that occurs. The pollution used is artificial pollution such as NaCl, CaCO3 and Carbon with each of three concentration levels. The material test in this study is a post type epoxy resin polymer insulator, porcelain and glass insulators with suspension type. This flashover test refers to the IEC 60060 standard and to determine the level of pollutants on the insulator surface refers to the IEC 60815 standard. The results show that the flashover voltage value will decrease as the ESDD value increases. Comparison of flashover voltage between porcelain, glass and polymer insulators in clean and polluted conditions shown that porcelain insulators and glass insulators are very susceptible to pollutants with the largest percentages of 31.58% and 35.26% while the percentage of polymer insulators is 7.46%. Reduced flashover on silicone rubber polymer insulators due to its hydrophobic properties and can transfer hydrophobic properties to a polluted layer so that it is difficult to form a continuous layer of water.