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6 F 2 S 0 8 5 7
Table 2.2.5.5 Setting for Phase Angle Matching (for β-method)
(a) Settings for typical connections of 2-windings transformer
Settings for phase angle correction Remarks
Transformer connections
described in IEC60076-1
Primary , Secondary
(d1) (d2)
Yy0
1 , 1
Dd0
0 , 0
Yd1
1 , 0
Dy1
0 , 11
Dd2
0 , 10
or 2 , 0
Based on primary winding.
Based on secondary winding.
Dd4
0 , 8
or 4 , 0
Based on primary winding.
Based on secondary winding.
Yd5
5 , 0
Dy5
0 , 7
Yy6
1 , 7
or 7 , 1
Based on primary winding.
Based on secondary winding.
Dd6
0 , 6
or 6 , 0
Yd7
7 , 0
Dy7
0 , 5
Dd8
0 , 4
or 8 , 0
Based on primary winding.
Based on secondary winding.
Dd10
0 , 2
or 10 , 0
Based on primary winding.
Based on secondary winding.
Yd11
11 , 0
Dy11
0 , 1
Note: A 2-windings transformer covers a 3-windings transformer with a stabilizing-winding circuit
for which 2-windings transformer protection relay can be applied.