What is the meaning of Dyn11 of Transformer.

Answer Posted / sumit dhar

Dyn11:
D- Delta Connection in HV side. Notice the "D" is written in
Capital letter which means HV connection.

y- Star Connection in LV side. Notice the "y" is written in
small letters which means LV side

n- This represents that the Star side of the transformer is
connected to the ground with the neutral wire. If n is not
there, it means the star side of the transformer is unprotected.

11- represents 11'o clock which is 30 degree angle

other representations are

0- phase displacement is 0 degrees
6- represents 6'o clock position which is 180 degrees.

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