Performance comparison of silicone rubber and EPDM insulators in humid and contaminated environments

A.G. Arshad, A. Nekahi, S.G. McMeekin, M. Farzaneh

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

This paper investigates the effect of pollution severity and relative humidity on the performance of silicone rubber and ethylene propylene diene monomer (EPDM) insulators. Rectangular samples of silicone rubber and EPDM were used for the tests. The ramp test method was used to measure flashover voltage and leakage current at different climate conditions. Flashover voltage, arc inception voltage, as well as surface resistance of silicone rubber and EPDM coating materials were measured at various pollution severity and relative humidity levels in a fog chamber. Experimental results showed a decrease in flashover voltage, arc inception voltage and surface resistance with an increase in pollution severity and relative humidity. The result of this study can be used in the selection of polymeric insulators for contaminated and humid environments.
Original languageEnglish
Title of host publicationProceedings of the 2016 IEEE International Conference on Dielectrics
PublisherIEEE
Volume2
ISBN (Print)9781509028023
DOIs
Publication statusPublished - 23 Aug 2016
Event2016 IEEE International Conference on Dielectrics - Montpellier, Montpellier, France
Duration: 3 Jul 20167 Jul 2016

Conference

Conference2016 IEEE International Conference on Dielectrics
Country/TerritoryFrance
CityMontpellier
Period3/07/167/07/16

Keywords

  • flashover
  • rubber
  • pollution
  • humidity
  • surface contamination
  • surface resistance

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