Siemens 7SR224 - Section 6: Connection Diagrams; Typical A.C. Connections: 7 SR224 DOC;DEF Recloser Control Relay

7SR224 Argus Installation
Section 6: Connection Diagrams
6.1 Typical A.C. Connections: 7SR224 DOC/DEF Recloser
Control Relay
S1
S2
P1
P2
L1
L2
L3
NOTES
1) CT circuits are shown connected to 1A tap – use alternative tap for 5A rated CTs.
2) CT and Earth connections are typical only.
3) Line side Voltage Config:-Van,Vbn,Vcn
4) Allocation of A,B,C phase references can be adjusted by user settings to suit actual
connections of L1, L2 & L3.
5) Bus side Voltage Config:- for optional Synchronising function.
Vbn shown, Van, Vbn, Vcn, Vab, Vbc, or Vca can be used.
I
L1
(I
A
)
1
2
5
6
9
10
13
14
A
21
22
23
24
25
26
27
28
1A
5A
1A
5A
1A
5A
1A
5A
15
16
11
12
3
4
7
8
B
C
V
4
(V
X
)
V
L3
(V
C
)
V
L2
(V
B
)
V
L1
(V
A
)
I
L2
(I
B
)
I
L3
(I
C
)
I
4
(I
G
/I
SEF
)
Figure 6.1-1 7SR224 Connections to OHL Circuit
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