Using Environmental Parameters to Create Pollution Maps for Power Utilities: Experience in Brazil

19 Oct 2022
09:40
Grand Ballroom #1

Using Environmental Parameters to Create Pollution Maps for Power Utilities: Experience in Brazil

Power networks can traverse large areas and be subject to varying types of pollution whose intensity is a key dimensioning parameter for insulators. Pollution severity of a region can be obtained from on-site measurements, behavior of insulators in service in nearby installations, by simulations or through information presented in IEC/TS 60815-1:2008. Unfortunately, site pollution severity is often not sufficiently well defined or even unknown and the result can be inappropriate choice of insulator type and size. This presentation reviews how a pollution map has been elaborated for a large and geographically diverse country such as Brazil using updated environmental data and considering the impact of various interactions among the parameters.

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