Electrical Performance and Application Improvements in High Voltage RTV Coatings

Environmental contamination of outdoor porcelain and glass high voltage insulators has been a long-term source of severe flashover problems, which result in power outages and losses together with reduced reliability. There are several ways that may be used to mitigate against flashovers including silicone elastomeric RTV coatings.

This paper will explore the following topics:

• How do silicone RTV coatings work?
  
• High voltage insulator trends
  
• Silicone RTV coating trends
  
• Comparison of RTV elastomeric coatings

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