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Published Article / ENY-ARTICLE-2012-331

Artificial aging of polymer insulation surface in a clean fog chamber and its evaluation

Pilling, J (Hochschule fuer Technik und Wirtschaft Zittau/Goerlitz) ; Chrzan, K L (Hochschule fuer Technik und Wirtschaft Zittau/Goerlitz) ; Hofmann, J (Hochschule fuer Technik und Wirtschaft Zittau/Goerlitz) ; Baersch, R (Hochschule fuer Technik und Wirtschaft Zittau/Goerlitz)


Abstract: It is reported about electrical performance of RTV silicone rubber coatings and epoxy insulators under accelerated aging in a clea fog chamber. The new type of solid layer consists of silicon dioxide and a filter agent Perfil. The research was made to study the behaviour of light polluted indoor insulations under wet conditions (condensation). The currents and partial discharges were registered. The evaluation of aging was made by measurement of contact angle and voltage-current characteristics of condensed water deposits on the insulators surface.

Keyword(s): pollution, leakage current
Note: 8th Int. Symposium on High Voltage Engineering ISH, Yokohama 1993, paper 47.04, pp. 185-188

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