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Study of the properties of high intensity switching under 36 VDC. Influence of the contact material

Published online by Cambridge University Press:  09 April 2008

Ph. Teste ,
T. Klonowski ,
R. Andlauer  and
T. Leblanc
Ph. Teste*
Affiliation:
Laboratoire de Génie Electrique de Paris – UMR 8507 – CNRS - SUPELEC – 11 rue Joliot Curie, 91192 Gif-sur-Yvette, France
T. Klonowski
Affiliation:
Laboratoire de Génie Electrique de Paris – UMR 8507 – CNRS - SUPELEC – 11 rue Joliot Curie, 91192 Gif-sur-Yvette, France
R. Andlauer
Affiliation:
Laboratoire de Génie Electrique de Paris – UMR 8507 – CNRS - SUPELEC – 11 rue Joliot Curie, 91192 Gif-sur-Yvette, France
T. Leblanc
Affiliation:
Laboratoire de Génie Electrique de Paris – UMR 8507 – CNRS - SUPELEC – 11 rue Joliot Curie, 91192 Gif-sur-Yvette, France
*
teste@lgep.supelec.fr
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Abstract

This paper concerns the study of contact opening under DC voltage in the case of high intensity currents (a few hundred amperes). The application fields are mainly automotive and aeronautical systems. An experimental device has been designed in order to study the opening of contacts under various conditions. The influence of several parameters on contact opening is studied. These are the following: the opening velocity, the current intensity through the closed contact, the nature of the contact materials (Ag, AgSnO$_{2...})$, the value of the inductance in the electrical circuit... The measured parameters characterizing the opening phase are: the arc duration, the value of the electrode gap when the arc extinguishes, the arc energy.

Keywords

Type
Research Article
Information
The European Physical Journal - Applied Physics , Volume 41 , Issue 3 , March 2008 , pp. 251 - 264
Copyright
© EDP Sciences, 2008

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