Which three phase connection can be used in a transformer to introduce a phase difference of 30° between its output and corresponding input time voltages?

Which three phase connection can be used in a transformer to introduce

1.	Which three phase connection can be used in a transformer to introduce a phase difference of 30° between its output and corresponding input time voltages?
A.	Star - Star
B.	Star - Delta
C.	Delta - Delta
D.	Delta - Zigzag
Answer» D. Delta - Zigzag

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Which three phase connection can be used in a transformer to introduce a phase difference of 30° between its output and corresponding input time voltages?

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