Protective Coatings For Improving Contamination Performance Of Outdoor High Voltage Ceramic Insulators

R. S. Gorur, E. Cherney, C. De Tourreil, D. Dumora, R. Harmon, H. Hervig, B. Kingsbury, J. Kise, T. Orbeck, K. Tanaka, R. Tay, G. Toskey, D. Wiitanen

Research output: Contribution to journalArticle

62 Scopus citations

Abstract

This paper presents an overview of the practices employed by utilities and industries to combat the contamination problem with ceramic insulators. It emphasizes two popular methods, namely, coating insulators with greases and RTV (Room Temperature Vulcanizing) silicone rubber coatings. The experience to date, application methods, user concerns, current theories on how and why the coatings perform, life expectancy, and future direction of the technology, are outlined. The paper also describes current research activity in the committee on RTV coatings, which is the state of the art in protective coatings.

Original languageEnglish (US)
Pages (from-to)924-933
Number of pages10
JournalIEEE Transactions on Power Delivery
Volume10
Issue number2
DOIs
StatePublished - Apr 1995

Keywords

  • Greases
  • Protective coatings
  • RTV silicone
  • contamination flashover
  • rubber

ASJC Scopus subject areas

  • Energy Engineering and Power Technology
  • Electrical and Electronic Engineering

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