Silicone & Other Materials
July 29, 2017 •
ARTICLE ARCHIVE, Silicone & Other Materials •
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Silicone rubber has been applied as insulation material in high voltage equipment for decades now because of its advantages, including lower weight and hydrophobicity. However, the weathering resistance of silicone rubber is weaker than that of traditional insulation materials such as porcelain and glass. While it is usually believed that a porcelain or...
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June 3, 2017 •
ARTICLE ARCHIVE, Insulators, Silicone & Other Materials
The application of RTV silicone coatings to porcelain and glass insulators in order to increase performance under pollution is not a new maintenance technology. Yet, while available for decades, not all power engineers fully understand its basics and what...
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May 6, 2017 •
ARTICLE ARCHIVE, Bushings, Silicone & Other Materials
With the dramatic growth in application of composite insulators, there have been periodic reports concerning mold growth and its possible impact on electrical performance. Users will therefore need to know what is the best course of action to follow should...
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April 8, 2017 •
ARTICLE ARCHIVE, Silicone & Other Materials
When an electrical network which has operated for years without problems suddenly starts to experience a growing number of insulator flashovers this is generally the result of service conditions that have deteriorated due to increased pollution. Should such...
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February 18, 2017 •
ARTICLE ARCHIVE, glass, Silicone & Other Materials, Utility Practice & Experience
Until recently, most applications of RTV silicone material have been as a remedial measure to mitigate pollution-related flashovers of insulators suffering poor service performance. Indeed, coatings have been viewed for years mainly as a maintenance product...
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November 14, 2016 •
ARTICLE ARCHIVE, Silicone & Other Materials
In what must be seen as a rare meeting point of the fields of microbiology and HV engineering, a growing number of utility engineers are reporting the presence of biological growths on composite insulators. This phenomenon seems to be relatively independent...
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December 12, 2015 •
ARTICLE ARCHIVE, Commentary by Pigini, Silicone & Other Materials
It may come as a surprise to some but polymeric type insulators have been applied on high voltage lines and at substations since as far back as 1960. The best measure of their success in delivering real benefits versus traditional ceramic technologies is that...
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October 27, 2015 •
ARTICLE ARCHIVE, Cable Accessories, Silicone & Other Materials
Silicone elastomers, gels, fluids and pastes are perhaps best known in INMR for their increasing use in insulators, surge arresters and coatings. But these same polymers are also finding growing application in a sophisticated new generation of MV and HV cable...
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