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High Temperature Material Processes (An International Quarterly of High-Technology Plasma Processes)

An International Journal 

ISSN for PRINT: 1093-3611

Institutional price:

$604.00

Issues per year:

4

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Best Paper Award Selection - Editorial Board Site

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2005, Volume9

Issue 4

  174 pages  

DOI: 10.1615/HighTempMatProc.v9.i4   

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  • TOWARDS THREE-DIMENSIONAL MODELLING OF ELECTRIC ARC INITIATION IN A LOW-VOLTAGE CIRCUIT BREAKER
  • Laure Reynard
    Laboratoire de Mécanique des Fluides et d'Acoustique, CNRS UMR 5509 Ecole Centrale de Lyon/Université C. Bernard-Lyon I/INSA de Lyon ECL, 36 avenue Guy de Collongue, 69134 Ecully Cedex

    Daniel Henry
    Laboratoire de Mécanique des Fluides et d'Acoustique, CNRS UMR 5509 Ecole Centrale de Lyon/Université C. Bernard-Lyon I/INSA de Lyon ECL, 36 avenue Guy de Collongue, 69134 Ecully Cedex

    Denis Jeandel
    Laboratoire de Mécanique des Fluides et d'Acoustique, CNRS UMR 5509 Ecole Centrale de Lyon/Université C. Bernard-Lyon I/INSA de Lyon ECL, 36 avenue Guy de Collongue, 69134 Ecully Cedex

    Julian Scott
    Laboratoire de Mécanique des Fluides et d'Acoustique, CNRS UMR 5509 Ecole Centrale de Lyon/Université C. Bernard-Lyon I/INSA de Lyon ECL, 36 avenue Guy de Collongue, 69134 Ecully Cedex

    Jean Wild
    Schneider Electric, 37 quai Merlin, 38050 Grenoble Cedex 9


    ABSTRACT

    The object of this study is three-dimensional simulation of the initiation phase of an electric arc in a low-voltage circuit breaker. The model uses tabulated values for radiative cooling, the physical properties of the plasma and the equation of state. Coupled Navier−Stokes and Maxwell equations are solved by a mixed finite-element/finite-volume method on a moving grid mesh, allowing the electrodes to move apart in a realistic manner. Different test cases were used to verify each modification of an existing numerical scheme to treat the arc problem. Preliminary results show the birth of the arc, followed by its growth and displacement within the inter-electrode gap.

    DOI: 10.1615/HighTempMatProc.v9.i4.60

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