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Potential Transformer of a 3-phase

  1. Aug 10, 2011 #1
    Ive got a problem related about potential transformers in 3 phase.

    Are they measured in line-line or line-neutral? My connection is wye-delta. Thanks!
  2. jcsd
  3. Aug 11, 2011 #2


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    Gold Member

    Line-line always, for both Delta and Wye, irrespective of Dy or Yd.
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