RTV silicone rubber coatings for substation insulator maintenance

摘要

The selection, application, and performance of room-temperature-vulcanizing (RTV) silicone rubber coatings for the maintenance of electrical substation insulators are described. The ability of silicone rubber coatings to suppress leakage current, thereby eliminating the cause of electrical power interruptions to the plant, is discussed. Coating life expectancy is discussed in terms of the pollution conditions, the frequency of maintenance cleaning, and the formulation of the RTV silicone rubber coating system.