ABB RELION REX640 Technical Manual page 576

Section 4
Protection functions
570
Vector group of the Winding 1 type
transformer
ZNyn1
ZNy1
Zy5
Zyn5
ZNyn5
ZNy5
Zy7
Zyn7
ZNyn7
ZNy7
Zy11
Zyn11
ZNyn11
ZNy11
Dz0
Dzn0
Dz2
Dzn2
Dz4
Dzn4
Dz6
Dzn6
Dz8
Dzn8
Dz10
Dzn10
Zd0
ZNd0
Zd2
ZNd2
Zd4
ZNd4
Zd6
ZNd6
Zd8
ZNd8
Zd10
ZNd10
Zz0
Table continues on next page
Winding 2 type
ZN yn
ZN y
Z y
Z yn
ZN yn
ZN y
Z y
Z yn
ZN yn
ZN y
Z y
Z yn
ZN yn
ZN y
D z
D zn
D z
D zn
D z
D zn
D z
D zn
D z
D zn
D z
D zn
Z d
ZN d
Z d
ZN d
Z d
ZN d
Z d
ZN d
Z d
ZN d
Z d
ZN d
Z z
1MRS759142 C
Phase shift Zero sequence
current elimination
1 HV side
1 (Automatic)
5 Not needed
5 (Automatic)
5 HV side
5 (Automatic)
7 Not needed
7 (Automatic)
7 HV side
7 (Automatic)
11 Not needed
11 (Automatic)
11 HV side
11 (Automatic)
0 Not needed
0 LV side
2 Not needed
2 (Automatic)
4 Not needed
4 (Automatic)
6 Not needed
6 LV side
8 Not needed
8 (Automatic)
10 Not needed
10 (Automatic)
0 Not needed
0 HV side
2 Not needed
2 (Automatic)
4 Not needed
4 (Automatic)
6 Not needed
6 HV side
8 Not needed
8 (Automatic)
10 Not needed
10 (Automatic)
0 Not needed
Technical Manual
REX640