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Railways NTPC (Technical Ability) Electrical Machine Question Bank Electrical Machine

  • question_answer
    For the parallel operation of three phase transformers, which among the following connection is not applicable?

    A)                                                                               \[\Delta -\Delta\]  to\[YY\]           

    B)  \[YA\]to                                                                                    \[A-Y\]

    C)  \[YY\]to\[YY\]  

    D)  None of these

    Correct Answer: C

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