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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.v12.i1-2.110
pages 143-164

PARAMETRICAL STUDY OF THE ARC−MATERIAL INTERACTION INFLUENCE ON THE CIRCUIT BREAKER PERFORMANCES

Jean-Pierre Toumazet
Electrical Engineering Laboratory of Montluçon, I. U. T., Avenue Aristide BRIAND, 03100 Montluçon, France
Corinne Brdys
Electrical Engineering Laboratory of Montluçon, I. U. T., Avenue Aristide BRIAND, 03100 Montluçon, France
Denis Cajal
Electrical Engineering Laboratory of Montluçon, I. U. T., Avenue Aristide BRIAND, 03100 Montluçon, France
Francis Gary
Electrical Engineering Laboratory of Montluçon, I. U. T., Avenue Aristide BRIAND, 03100 Montluçon, France
Alain Laurent
Electrical Engineering Laboratory of Montluçon, I. U. T., Avenue Aristide BRIAND, 03100 Montluçon, France
Jean-Luc Ponthenier
Research Centre A2, Schneider Electric, F-38050 Grenoble Cedex 09, France

SINOPSIS

The breaking devices improvement is an important research area. High temperature phenomena, creating ablation on both contact materials and walls of the breaking chamber are very complex to understand, and so to model, because of the electric break arc phenomena complexity, but also because of the breaking device complexity.
As many parameters are involved in arc behavior understanding, the most reliable solution to determine the influence of one parameter is to realize parametrical studies, based on measurement.
Breaking devices manufacturers try to carry on such studies, but they are limited by available means of diagnostic. The aim of our study is to offer a precise, reliable and powerful diagnostic tool, using magnetic measurement, enabling to know the arc shape and position with a cadence of 1 million frames per second.
This tool has been used to determine the geometrical dimensions influence on the breaking device quality. The geometrical configuration influence on the thermal erosion of breaking device elements has specially been investigated. Results obtained especially show the advantages of a breaking chamber associated with a very confined volume for performance improvement of breaking devices.


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