For the first time in Japan, Toshiba has successfully developed 3000 kW fleon-cooled type silicon rectifiers, DC high-speed circuit breakers, and DC gapless surge-arresters for 3000 V DC electrification systems. The silicon rectifier is an exceptionally low maintenance, completely self-cooled type utilizing fleon evaporative cooling. The DC high-speed circuit breaker is capable of limiting and interrupting fault currents at high speeds through improved interruption speed and arc-suppression capability. The DC surge-arrester is a gapless type utilizing a nonlinear resistor. This surge-arrester is compact and light weight, and features quick response to abnormal voltages and low residual voltages. Recently, all of the above-mentioned items have been fabricated and delivered to Companhia Brasileira de Trens Urbanos for its suburban Rio de Janeiro lines.


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    Titel :

    3000 V DC railway electrification equipment supplied to Companhia Brasileira de Trens Urbanos, Brazil


    Weitere Titelangaben:

    Eisenbahnelektrifizierungsausruestung fuer 3000 V Gleichstrom an die Companhia Brasileira de Trens Urbanos, Brazil, ausgeliefert


    Beteiligte:
    Kato, F. (Autor:in) / Ogawa, H. (Autor:in) / Aoki, T. (Autor:in)

    Erschienen in:

    Erscheinungsdatum :

    1986


    Format / Umfang :

    5 Seiten


    Medientyp :

    Aufsatz (Zeitschrift)


    Format :

    Print


    Sprache :

    Englisch




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    Central railway of Brazil electrification

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    Central railway of Brazil electrification

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    Central railway of Brazil electrification

    Engineering Index Backfile | 1938