EMI noise filter

Discussion in 'General Electronics Chat' started by Tera-Scale, Mar 19, 2011.

  1. Tera-Scale

    Thread Starter Active Member

    Jan 1, 2011
    164
    5
    What exactly is the purpose of an EMI noise filter inside a ups as I have just obtained a damaged one and i am taking it apart to analyze it. The filter is at the mains input supply. Thanks for any explanations. i am not sure if the filter is there to block interference coming in from the mains, or else from the ups itself when it is operating.

    Brandon
     
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