Three high coulomb explosively actuated opening switches which have demonstrated reliability and fast switching in railgun experiments are presented. Two of these switches first provide a low conductivity path to transfer energy from homopolar generators to inductive energy stores and then open to commutate current to the railgun. One is a monolithic aluminum element with machined stress concentrations, and the other uses reloadable cartridges mechanically clamped. The third switch is designed to interrupt current in a compulsator powered railgun experiment. In the event of a short circuit fault, the switch automatically opens in order to prevent overheating of the compulsator armature windings. The design and excellent performance of these switches are reviewed


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    Title :

    High power switches at the Center for Electromechanics at the University of Texas at Austin


    Additional title:

    Hochleistungsschalter im Zentrum fuer Elektromechanik der Universitaet von Texas in Austin


    Contributors:
    Sledge, R.L. (author) / Perkins, D.E. (author) / Rech, B.M. (author)


    Publication date :

    1989


    Size :

    6 Seiten, 5 Quellen



    Type of media :

    Article (Journal)


    Type of material :

    Print


    Language :

    English




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