Connection Diagrams - ABB RET620 Product Manual

Transformer Protection and Control
RET620
Product version: 2.0

23. Connection diagrams

L1
L2
L3
Positive
Current
Direction
P1
S1
S2
P2
Uab
HV
P1 S1
P2 S2
P1 S1
P2 S2
LV
P2
S2
S1
P1
Uab
L1
L2
L3
GUID-B8E8FE37-C9B8-45A0-953F-A3D0464FE251 V1 EN
Figure 14. Connection for the A configuration
54
A
N
n
a
da dn
X120
60 -
1
210V
2
N
60 -
3
210V
4
N
60 -
5
210V
6
N
7
1/5A
8
N
9
1/5A
10
N
11
1/5A
12
N
13 1/5A
14
N
X115
60 -
1
210V
2
N
60 -
3
210V
4
N
60 -
5
210V
6
N
7
1/5A
8
N
9
1/5A
10
N
11
1/5A
12
N
13 1/5A
14
N
X130
mA
1
2
3
4
5
RTD 1 GND
6
7
8 RTD 2 GND
X110
1
2
3
4
5
6
7
8
9
10
11
12
13
X13
Light sensor input 1
X14
Light sensor input 2
X15
Light sensor input 3
RET620
U1
U2
IRF
U3
2)
PO1
IL1
IL2
PO2
IL3
Io
SO1
SO2
U_SYN
PO3
U_AVR
Uo
TCS1
2)
IL1B
PO4
IL2B
IL3B TCS2
IoB
mA 1
SO1
RTD 1
SO2
RTD 2
SO3
BI 1
SO1
BI 2
SO2
BI 3
BI 4
SO3
BI 5
SO4
BI 6
BI 7
BI 8
1)
1)
1) Order selectable -Optional
2) The IED features an automatic short-circuit
1)
mechanism in the CT connector when plug-in
unit is detached
1MRS757846 A
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
X130
9
10
11
12
13
14
16
17
X110
14
16
15
17
19
18
20
22
21
23
24
ABB