File:Electrical insulator flashover from volcanic ash.jpg

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Summary

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An example of insulator flashover across a string of 3 glass insulators. The insulators have been coated with 3 mm of wet volcanic ash. The insulators flashed over at ~80 kV, which is approximately 30% lower than if the insulators were in a clean state (i.e. without contamination).

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current05:17, 1 May 2012Thumbnail for version as of 05:17, 1 May 2012522 × 853 (264 KB)Grantw13 (talk | contribs)An example of insulator flashover across a string of 3 glass insulators. The insulators have been coated with 3 mm of wet volcanic ash. The insulators flashed over at ~80 kV, which is approximately 30% lower than if the insulators were in a clean state...

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