A Study on the Effects of Metallic Barriers on Surface Discharge and It's Application to Insulators and Bushings

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According to the previous studies which was done by the author, the flashover voltage was found to be increased considerably if some metallic barriere are inserted into the flashover discharge path. This paper shows that the flashover voltage in suspension insulators and bushings is raised up by the application of metallic barrier effect on surface discharge. Using moderate metallic barrier configulation the flash over voltage can be raised up by the amount of about 15% compared to that of the convensional type of suspension insulatiors and bushings.