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Vector Group Selection for Step-up Transformer 11/33kV
Vector Group Selection for Step-up transformer 11/33kV to match phase shift for each side of the lines

I have been assigned to implement a step-up transformer 11/33kV together with 33kV double circuit between 11kV bus from Power transformer 132/11kV YNd11 (solidly ground at 132kV side) and 33kV bus which is having Distribution transformer 33/11kV Dyn11 (star-point is connected to NER). Much appreciated if someone can point me out what is the correct vector group selection for the step-up transformer 11/33kV.

For additional information, our 11kV system is having +30 degree phase shift.