WHAT IS NORMAL VECTOR GROUP USED FOR DESIGNING OF TRANSFORMERS??

Answer Posted / sudeep dutta

it depends on wheaher the transformer ins step-up or step-
down....................



For step-up .........it should be Yd1 or Yd11 .........
For step-down it should be Dy1 or Dy11............
for grounding purpose it should be Yz1 or Dz11........

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