Dynamic Arc Modeling of Pollution Flashover of Insulators under dc Voltage

R. Sundararajan, R. S. Gorur

Research output: Contribution to journalArticlepeer-review

155 Scopus citations


In this paper, a dynamic model that computes the flashover voltages of polluted insulators energized with dc voltage is presented. The salient feature of this model is that it takes into account the configuration of the insulator profile at every instant, which plays an important role in the flashover process of the dc polluted insulators. A number of practical insulator geometries have been studied to demonstrate the model. The validity of the model was verified by comparing the computed results with the experimental results of previous researchers and good correlation has been shown.

Original languageEnglish (US)
Pages (from-to)209-218
Number of pages10
JournalIEEE Transactions on Electrical Insulation
Issue number2
StatePublished - Apr 1993

ASJC Scopus subject areas

  • General Engineering
  • Electrical and Electronic Engineering


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