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High Temperature Material Processes: An International Quarterly of High-Technology Plasma Processes
SJR: 0.137 SNIP: 0.341 CiteScore™: 0.43

ISSN Imprimir: 1093-3611
ISSN En Línea: 1940-4360

High Temperature Material Processes: An International Quarterly of High-Technology Plasma Processes

DOI: 10.1615/HighTempMatProc.v9.i1.20
pages 17-23

ARC DYNAMIC IN A LOW VOLTAGE CIRCUIT BREAKER

J. J. Gonzalez
Laboratoire Plasma et Conversion d'Energie, UMR UPS-INP-CNRS5213, Université Paul Sabatier, 118 Route de Narbonne, 31062 Toulouse cedex 9, France
B. Swierczynski
CPAT, UMR CNRS 5002, Universite Paul Sabatier, 118 route de Narbonne, 31062 Toulouse
P. Freton
Laboratoire Plasma et Conversion d'Energie, UMR UPS-INP-CNRS5213, Université Paul Sabatier, 118 Route de Narbonne, 31062 Toulouse cedex 9, France
Alain Gleizes
Centre de Physique des Plasmas et de leurs Applications de Toulouse (CPAT) UMR n° 5002 − Université Paul Sabatier, 118 Route de Narbonne F31062 Toulouse Cedex 4 - France
Philippe Teulet
CPAT, Universite Paul Sabatier, 118, Rte de Narbonne, 31062 Toulouse Cx 4, France

SINOPSIS

This study is related to the presentation of a 3D model of a low voltage circuit breaker. The model based on the commercial Fluent software uses the finite volume method. The arc created between two contacts, submitted to the pressure effects, to the self induced magnetic field and to the magnetic field due to the current circulation in the wires is described in a simple geometry. Under the influence of the forces, the arc moves towards the cutting chamber constituted by several splitters. In this study, we present a model which describes the arc behaviour after the phase of the arc ignition. A specific attention is given to the magnetic formulation to gain calculation time and a specific method is proposed to describe the arc movements. Simulation results in various homogeneous air-PA6 mixtures are presented and the mean arc velocity is confronted with the one obtained in some experimental studies of the literature.


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