what the reson to use phase shift( angle) like (dyn11,Dd5 or Dy0)are usedin p

what the reson to use phase shift( angle) like (dyn11,Dd5
or Dy0)are usedin power and transsmison line

Question Posted / eng waleed farhoud

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what the reson to use phase shift( angle) like (dyn11,Dd5 or Dy0)are usedin power and transsmison..

Answer / k.prakashchandra

Dd5 and Dy0 are not possible.When primary and secondary are
connected in different groups ,there will be inevitable
phase shifting. However Dd6 and Yy6 are possible.

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