ABB RELION 611 Series Applications Manual page 36

Section 3
REB611 standardized configuration
30
L1
L2
L3
G
3~
GUID-000FA2D5-6D6C-4A66-9772-7741A0BA3E91 V1 EN
Figure 13: Connection diagram for configuration A when used as rotating
machine phase differential protection
X120
1
2
3
4
Ru Ru
Ru Rs Rs Rs
5
6
7
1/5A
8
N
9
1/5A
10
N
11
1/5A
12
N
13
1/5A
14
N
1MRS757455 E
REB611
BI 1
BI 2
IRF
BI 3
PO1
BI 4
1)
IL1
PO2
IL2
IL3
SO1
Io
SO2
PO3
TCS1
PO4
TCS2
1) The IED features an automatic short-circuit
mechanism in the CT connector when plug-in
unit is detached
Application Manual
X100
+
1
U
aux
2
-
3
4
5
6
7
8
9
10
11
12
13
14
16
17
15
19
18
20
22
21
23
24
REB611