Modeling flashover of composite insulators under contaminated conditions

L. Bo; R. S. Gorur

doi:10.1109/CEIDP.2011.6232718

Modeling flashover of composite insulators under contaminated conditions

L. Bo, R. S. Gorur

Electrical, Computer, and Energy Engineering, School of (IAFSE-ECEE)

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

1 Scopus citations

Abstract

This paper presents a theoretical model for evaluating flashover performance of composite insulators under contaminated conditions. The model introduces several new features when compared with existing models such as, the formation of dry bands along the surface, variations in surface wettability and insulator shape. The model draws heavily from experimental measurements of flashover voltage and surface resistance measured under wet conditions of composite insulators with housings made from silicone rubber, ethylene propylene rubber and epoxy, as well as electric field computations. The model has been used to illustrate the dominant role played by shape and housing material in the flashover process.

Original language	English (US)
Title of host publication	Annual Report - Conference on Electrical Insulation and Dielectric Phenomena, CEIDP
Pages	559-562
Number of pages	4
DOIs	https://doi.org/10.1109/CEIDP.2011.6232718
State	Published - 2011
Event	2011 Annual Report Conference on Electrical Insulation and Dielectric Phenomena, CEIDP 2011 - Cancun, Mexico Duration: Oct 16 2011 → Oct 19 2011

Other

Other	2011 Annual Report Conference on Electrical Insulation and Dielectric Phenomena, CEIDP 2011
Country/Territory	Mexico
City	Cancun
Period	10/16/11 → 10/19/11

ASJC Scopus subject areas

Electronic, Optical and Magnetic Materials
Electrical and Electronic Engineering

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10.1109/CEIDP.2011.6232718

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Bo, L & Gorur, RS 2011, Modeling flashover of composite insulators under contaminated conditions. in Annual Report - Conference on Electrical Insulation and Dielectric Phenomena, CEIDP., 6232718, pp. 559-562, 2011 Annual Report Conference on Electrical Insulation and Dielectric Phenomena, CEIDP 2011, Cancun, Mexico, 10/16/11. https://doi.org/10.1109/CEIDP.2011.6232718

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AB - This paper presents a theoretical model for evaluating flashover performance of composite insulators under contaminated conditions. The model introduces several new features when compared with existing models such as, the formation of dry bands along the surface, variations in surface wettability and insulator shape. The model draws heavily from experimental measurements of flashover voltage and surface resistance measured under wet conditions of composite insulators with housings made from silicone rubber, ethylene propylene rubber and epoxy, as well as electric field computations. The model has been used to illustrate the dominant role played by shape and housing material in the flashover process.

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ER -

Modeling flashover of composite insulators under contaminated conditions

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