Description of "Varispeed" drive manufactured by Electric Construction Co using standard d-c motor supplied from a-c mains through mercury arc rectifier; speed can be varied over very wide range, as much as 1000 to 1, providing constant torque throughout this speed range; typical installation depicted shows 267-hp shunt wound d-c motor driving automatic drawbench.


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    Titel :

    Variable-speed power drive


    Weitere Titelangaben:

    Engineer


    Erschienen in:

    Engineer ; 182 , n 4739


    Erscheinungsdatum :

    1946


    Format / Umfang :

    2 pages


    Medientyp :

    Aufsatz (Zeitschrift)


    Format :

    Print


    Sprache :

    Englisch


    Schlagwörter :


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