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Arc modelling in circuit breakers: coupling between electromagnetics and fluid mechanics

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5 Author(s)
Verite, J.C. ; Div. of Res. & Dev., EDF, Chatou, France ; Boucher, T. ; Comte, A. ; Delalondre, C.
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Electrical arcs in circuit breakers are very complex phenomena involving many aspects of physics: fluid mechanics, radiative processes, electromagnetics... and their numerical modelling exhibits various couplings. After a physical analysis of the phenomena, showing which couplings are important and which are not, we present axisymmetric simulations of arcs for two kinds of SF6 breakers, a two pressure breaker and a rotary arc breaker. We focus our study on the coupling between fluid mechanics and electromagnetics (influence of Laplace forces on the flow, stability)

Published in:

Magnetics, IEEE Transactions on  (Volume:31 ,  Issue: 3 )

Date of Publication:

May 1995

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