Motor drives

Discussion in 'Homework Help' started by stud, Nov 20, 2008.

  1. stud

    Thread Starter New Member

    Nov 20, 2008
    1
    0
    Hi,
    1.How energy is saved if star delta starters are replaced by motor drives?
    2.In frequency drives , what is the frequency range?
    3.If frequency of power supply is changed , is there any change in the voltage?
    Can anyone help? Thanks
     
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