Drives use d-c motors with speed and direction of rotation determined by generators supplying power; acceleration and deceleration are smooth; there are fewer contact conductors to movable trolley; relatively slow landing speed for all loads is provided on first lowering point; there is less control maintenance; brake lining wear and brake wheel heating are reduced to minimum values; there is less wiring at time of installation; etc.


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    Title :

    Adjustable-voltage hoist drives for cranes


    Additional title:

    Elec Eng


    Contributors:
    Rifkin, S. (author)

    Published in:

    Publication date :

    1956


    Size :

    2 pages


    Type of media :

    Article (Journal)


    Type of material :

    Print


    Language :

    English


    Keywords :


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