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AC Choke question

Discussion in 'General Electronics Discussion' started by Y2KEDDIE, Sep 23, 2012.

  1. Y2KEDDIE

    Y2KEDDIE

    251
    15
    Sep 23, 2012
    My variable frequency drive has an AC choke in each leg of the 3 phase mains.I uderstand the chokes are for keeping interferance from entering or exiting (backfeeding) the mains.

    Do the chokes provide any other benifits? (Regulation, etc?)

    Thanks
     
  2. rob_croxford

    rob_croxford

    262
    0
    Aug 3, 2010
    Not really. A choke is basically an inductor used as a low pass filter for alternating current. They are used to remove any high frequency noise from the AC input to the motor drive. Choke is just the name given to its operation, in reality it is an inductor.
     
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