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IEEE Guide for the Application, Maintenance, and Evaluation of Room-Temperature Vulcanizing (RTV) Silicone Rubber Coatings for Outdoor Ceramic Insulators
Revision Standard - Active.
The various important aspects that need to be considered for satisfactory long-term performance of room-temperature vulcanizing (RTV) silicone rubber high-voltage insulator coatings (HVIC) are outlined in the guide.
Methods of application, pre-coated applications, maintenance issues on coated applications, factors affecting long-term performance, erosion resistance, temporary loss of hydrophobicity, aging, laboratory accelerated tests, partially coated insulation, and functional outdoor evaluation are described.
This guide is based on the knowledge and more than 25 years of experience on the use of room-temperature vulcanizing (RTV) silicone rubber coatings that are used to improve the contamination performance of outdoor high-voltage (HV) insulators.
This guide discusses various important aspects that are needed for satisfactory long-term performance of HV insulator coatings (HVIC); namely, various application methods, pre-coated insulators, partially coated insulators, maintenance issues on coated insulators, factors affecting long-term performance, the question of aging, laboratory accelerated tests, and functional outdoor evaluation.
However, it must be clear that for any specific application, judgment and experience are required to analyze and balance the many characteristics, which are discussed to obtain satisfactory performance and reliability.
This guide is intended for the use of RTV coatings on ceramic insulation.
In this context, ceramic is used to denote wet process porcelain and toughened glass insulators.
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