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

For the parallel operation of three phase transformers, which among th

1.	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
Answer» D. None of these

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

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