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Recent content by mk44

  1. mk44

    Overexcited power transformer

    Thanks everyone for your information and suggestion.
  2. mk44

    Overexcited power transformer

    I am an Operations Planning Engineer working for a large utility. I wonder if someone could help me to solve a puzzle on high voltage high power transformer. I wonder if a large system transformer (1200 MVA) is excited to between 130 and 150 percent of rated voltage (500/230 kV) for 1 to 2 sec...

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