ABB SPAD 330 C - HV Delta Connected Matching

7
Table 2. Matching of the power transformer
vector group, when the HV side of the power
transformer is delta connected.
000000 0 Dd6 Dd0 Yy0 Yy0
1 0 0 0 0 0 1 Dy7 Dy1 Yd1 Yy0
0 1 0 0 0 0 2 Dy11 Dy5 Yd5 Yy0
110000 3 Dd0 Dd6 Yy6 Yy0
0 0 1 0 0 0 4 Dy1 Dy7 Yd7 Yy0
1 0 1 0 0 0 5 Dy5 Dy11 Yd11 Yy0
0 1 1 0 0 0 6 Dyn5 Dyn11 Yy0 Yd1
1 1 1 0 0 0 7 Dd6 Dd0 Yd1 Yd1
0 0 0 1 0 0 8 Dd10 Dd4 Yd5 Yd1
1 0 0 1 0 0 9 Dyn11 Dyn5 Yy6 Yd1
0 1 0 1 0 0 10 Dd0 Dd6 Yd7 Yd1
1 1 0 1 0 0 11 Dd4 Dd10 Yd11 Yd1
0 0 1 1 0 0 12 Dyn1 Dyn7 Yy0 Yd5
1 0 1 1 0 0 13 Dd2 Dd8 Yd1 Yd5
0 1 1 1 0 0 14 Dd6 Dd0 Yd5 Yd5
1 1 1 1 0 0 15 Dyn7 Dyn1 Yy6 Yd5
0 0 0 0 1 0 16 Dd8 Dd2 Yd7 Yd5
1 0 0 0 1 0 17 Dd0 Dd6 Yd11 Yd5
010010 18 Dd0 Dd6 Yy0 Yy6
1 1 0 0 1 0 19 Dy1 Dy7 Yd1 Yy6
0 0 1 0 1 0 20 Dy5 Dy11 Yd5 Yy6
101010 21 Dd6 Dd0 Yy6 Yy6
0 1 1 0 1 0 22 Dy7 Dy1 Yd7 Yy6
1 1 1 0 1 0 23 Dy11 Dy5 Yd11 Yy6
0 0 0 1 1 0 24 Dyn11 Dyn5 Yy0 Yd7
1 0 0 1 1 0 25 Dd0 Dd6 Yd1 Yd7
0 1 0 1 1 0 26 Dd4 Dd10 Yd5 Yd7
1 1 0 1 1 0 27 Dyn5 Dyn11 Yy6 Yd7
0 0 1 1 1 0 28 Dd6 Dd0 Yd7 Yd7
1 0 1 1 1 0 29 Dd10 Dd4 Yd11 Yd7
0 1 1 1 1 0 30 Dyn7 Dyn1 Yy0 Yd11
1 1 1 1 1 0 31 Dd8 Dd2 Yd1 Yd11
0 0 0 0 0 1 32 Dd0 Dd6 Yd5 Yd11
1 0 0 0 0 1 33 Dyn1 Dyn7 Yy6 Yd11
0 1 0 0 0 1 34 Dd2 Dd8 Yd7 Yd11
1 1 0 0 0 1 35 Dd6 Dd0 Yd11 Yd11
1 2 3 4 5 6 I II
(2
(3
Check-
sum (
1
Power transformer
vector group
Switchgroup SG1
Relay connection
group
HV side
LV side
B
1) When comparing the checksum displayed by the relay with the checksum of switches 1…6
the weighting factors of switch 7 and 8 must be added to the latter checksum.
2) I refers to the basic coupling I of the current transformers, i.e. inside OR outside earthings,
c.f. application example 4 of the description “Biased differential relay SPAD 330 C,
34 SPAD 4 EN 1”
3) II refers to the basic coupling II of the current transformers, i.e. inside AND outside earthings,
c.f. application example 5 of the description “Biased differential relay SPAD 330 C,
34 SPAD 4 EN 1”