The service life and reliability of DC power switches is heavily dependent on the degree of transfer of contact matter, which in turn depends on contact opening speed, contact material, and circuit load. The transition from 14 V DC to 42 V DC automotive electrical systems brings a change in current-breaking conditions and matter transfer behaviour. This paper discusses characterization of relay contact arcing and determination of the impact of arcing on material reliability under different electrical conditions at 14 V DC and 42 V DC. A similar method is applied to examine arcing phenomena on connector pin separation under various electrical and mechanical conditions.


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    Title :

    Phenomene d'arc a 42 VDC dans les relais et connecteurs pour applications automobiles


    Additional title:

    Schaltlichtbögen in Relais und elektrischen Verbindungen von Fahrzeugstromversorgungsanlagen mit einer Gleichspannung von 42 V
    42 V DC arcing in relays and connectors for automotive applications


    Contributors:
    Doublet, L. (author) / Jemaa, N.B. (author) / Jeannot, D. (author) / Razafiarivelo, J. (author)


    Publication date :

    2003


    Size :

    8 Seiten, 13 Bilder, 1 Tabelle, 18 Quellen



    Type of media :

    Article (Journal)


    Type of material :

    Print


    Language :

    French





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