International Journal on Advanced Science, Engineering and Information Technology, Vol. 1 (2011) No. 5, pages: 491-495, Proceeding of the International Conference on Advanced Science, Engineering and Information Technology (ICASEIT 2011), Bangi, Malaysia, 14-15 January 2011, DOI:10.18517/ijaseit.1.5.100

Leakage Current Phenomenon on Ceramics and Epoxy Resin as 20 kV Outdoor Insulator at Tropical Environment

Abstract

This paper explains the research results of  leakage current, hydrophobicity and flashover voltage comparison on ceramics and epoxy  resin 20 kV outdoor insulator in a  chamber at tropical climate conditions. The waveform of leakage current (LC) was measured using a digital oscilloscope. The digital data was transferred to a personal computer using a RS-232 cable. The digital data was analyzed using Fast Fourier Transform. The result showed that LC was affected by various environment conditions like temperature, humidity and pollution. LC of ceramics insulator was higher than epoxy resin insulator in low temperature, high humidity and high pollution condition.

Keywords:

outdoor insulator, epoxy resin, leakage current, hydrophobicity, flashover voltage

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