IEEJ Transactions on Power and Energy
Online ISSN : 1348-8147
Print ISSN : 0385-4213
ISSN-L : 0385-4213
Paper
Effects of Absolute Humidity on Flashover Voltage of Insulators
Osamu FujiiKazuhiro HidakaYukio MizunoKatsuhiko NaitoTakashi IrieMorio Nishikawa
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2007 Volume 127 Issue 2 Pages 410-416

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Abstract

Effect of humidity on flashover voltage of three kinds of insulators is experimentally studied for about three years under natural humidity condition. It is found that the existing IEC humidity correction seems to be proper for most insulators regardless of the kinds of applied voltage but that change may be necessary for a cap and pin insulator unit under the application of positive and negative lightning impulse voltages.

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© 2007 by the Institute of Electrical Engineers of Japan
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