Prediction of flashover voltage of non-ceramic insulators under contaminated conditions

S. Venkataraman, R. S. Gorur

Research output: Contribution to journalArticlepeer-review

62 Scopus citations


This paper describes the development of a theoretical model to predict flashover voltage of nonceramic insulators. The model is based on reignition and arc constants that have been derived from electric field simulations and experimental data of flashover voltage and surface resistance measurements. New and field-aged silicone rubber and ethylene propylene diene monomer rubber samples were evaluated. A good correlation of the calculations from the model with experimental data has been demonstrated.

Original languageEnglish (US)
Article number1667747
Pages (from-to)862-869
Number of pages8
JournalIEEE Transactions on Dielectrics and Electrical Insulation
Issue number4
StatePublished - Aug 2006


  • Arc constant
  • Ceramic insulators
  • ESDD
  • Flashover
  • Polymeric insulators
  • Reignition constant
  • Surface resistance

ASJC Scopus subject areas

  • Electrical and Electronic Engineering


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