Numerical Modelling of Ice-Covered Insulator Flashover: The Influence of Arc Velocity and Arc Propagation Criteria

Marouane Jabbari, Christophe Volat and Issouf Fofana
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Marouane Jabbari: Modelling and Diagnostic of Electrical Power Network Equipment Laboratory (MODELE), University of Quebec in Chicoutimi, Chicoutimi, QC G7H 2B1, Canada
Christophe Volat: Modelling and Diagnostic of Electrical Power Network Equipment Laboratory (MODELE), University of Quebec in Chicoutimi, Chicoutimi, QC G7H 2B1, Canada
Issouf Fofana: Modelling and Diagnostic of Electrical Power Network Equipment Laboratory (MODELE), University of Quebec in Chicoutimi, Chicoutimi, QC G7H 2B1, Canada

Energies, 2018, vol. 11, issue 10, 1-20

Abstract: This paper investigates the influence of arc velocity and propagation criteria on the parameters of a dynamic numerical mono-arc model used to predict flashover voltage of ice-covered insulators. For that purpose, a generic algorithm has been developed which, coupled with a Finite Element commercial software, permits us to solve the mono-arc Obenaus equation. The versatility of the proposed algorithm allows to implement three different arc propagation criteria and five different arc velocity criteria, as well as to compute the corresponding flashover voltage, arc velocity and leakage current. Moreover, this algorithm permits to propose a new arc velocity criterion based on numerical calculation instead of analytical formulation as proposed in literature.

Keywords: flashover modelling; arc propagation; ice-covered insulators; numerical simulation (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2018
References: View complete reference list from CitEc
Citations: View citations in EconPapers (1)

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