Questions about DC Machines

satty lavanya

satty lavanya

@satty-lavanya-4IoUgk • Oct 27, 2024
can you please clear my doubt......
the use of field winding is to increase or decrease the spreed of the rheoastat ?
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  • zaveri

    zaveri

    @zaveri-5TD6Sk • Sep 26, 2013

    satty lavanya
    can you please clear my doubt......
    the use of field winding is to increase or decrease the spreed of the rheoastat ?
    so the rheostat rotates or moves !!! ??? WHoa ! now thats news to me !!!!!
  • satty lavanya

    satty lavanya

    @satty-lavanya-4IoUgk • Sep 26, 2013

    its not my intention ,i j
    zaveri
    so the rheostat rotates or moves !!! ??? WHoa ! now thats news to me !!!!!
    ust want to ask you is....the correct explanation for .the word field excitation....
    and one more...thing.dont just post the silly comments.
  • satty lavanya

    satty lavanya

    @satty-lavanya-4IoUgk • Sep 27, 2013

    hi friends. i have some small doubts plz.clear that.
    1.why in dc generators,field resistance should not be higher than critical resistance?
    2.what do you mean by the reactance voltage in the coil?
  • Ramani Aswath

    Ramani Aswath

    @ramani-VR4O43 • Sep 27, 2013

    #-Link-Snipped-#