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Transformer Riddle No.46 – Magnetic Balance test

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  • #553
    MAHESH SWAMI

      During magnetic balance test in auto transformers, It is experienced that …
      During magnetic balance test in auto transformers, It is experienced that during U & W phases magnetic balance test the addition of voltage measured in other limbs is 5 to 25% more than the voltage applied. Why?
      Please share your experience…

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    • #2107
      Hamid

        For others information I try to explain the transformer magnetic balance voltage test then to reply your question. Magnetic Balance Voltage should be within

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