Two-Dimensional Simulation of the Post-Arc Phase of a Vacuum Circuit Breaker

Two-Dimensional Simulation of the Post-Arc Phase of a Vacuum Circuit Breaker

The post-arc phase of a vacuum circuit breaker is a critical phase for dielectric recovery in the context of medium voltage current interruption. A 2-D hybrid model aimed at understanding this phase and at evaluating the risk of circuit-breaking failure during this phase has been developed. In this...

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Veröffentlicht in:IEEE transactions on plasma science 2008-08, Vol.36 (4), p.1046-1047
Hauptverfasser: Sarrailh, P., Garrigues, L., Hagelaar, G., Boeuf, J.-P., Sandolache, G., Rowe, S.W., Jusselin, B.
Format: Artikel
Sprache:eng
Schlagworte:
Cathodes
Circuit breakers
Circuit protection
Circuit simulation
Circuits
Dielectric recovery
Dielectrics
Electric currents
Electric potential
Electrodes
Electrons
Insulation
Plasma
Plasma density
Plasma properties
Plasma sheaths
Polarity
post-arc phase
Recovery
Shields
Simulation
vacuum circuit breakers
Voltage
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Beschreibung
Zusammenfassung:The post-arc phase of a vacuum circuit breaker is a critical phase for dielectric recovery in the context of medium voltage current interruption. A 2-D hybrid model aimed at understanding this phase and at evaluating the risk of circuit-breaking failure during this phase has been developed. In this paper, we show how the recovery voltage expels the plasma from the gap and illustrate the influence of the shield polarity.
ISSN:0093-3813
1939-9375
DOI:10.1109/TPS.2008.924502