7SR210 & 7SR220 Installation Guide
Unrestricted ©2018 Siemens Protection Devices Limited
Page 29 of 36
Section 7: Connection Diagrams
7.1
Typical Connection: 7SR22 Directional OC/EF and REF
I
L1
(I
A
)
1
2
5
6
9
10
13
14
A
17
18
19
20
21
22
23
24
25
26
27
28
1A
5A
1A
5A
1A
5A
1A
5A
15
16
11
12
1A
5A
3
4
7
8
B
C
S1
S2
P2
L1
L2 L3
S1
S2
P1
V
4
(V
X
)
V
L3
(V
C
)
V
L2
(V
B
)
V
L1
(V
A
)
NOTES
1) CT circuits are shown connected to 1 A tap – use alternative tap for 5 A rated CTs.
2) CT and Earth connections are typical only.
3) Application shows use of I
5
as an REF input with external stabilising and voltage limiting resistor.
4) Phase Voltage Config:-V
an
V
bn
V
cn
P2
P1
S1
S2
S1
S2
I
L2
(I
B
)
I
L3
(I
C
)
I
4
(I
G
)
I
5
(I
SEF
)
Figure 7.1-1 7SR22 Applied to Transformer Incomer
Summary of Contents for Argus 7SR21
Page 1: ...Energy Management 7SR21 7SR22 Argus Overcurrent Relay Reyrolle Protection Devices ...
Page 2: ......
Page 4: ...Contents 7SR11 and 7SR12 Page 2 of 2 2018 Siemens Protection Devices Limited ...
Page 185: ...7SR210 Settings Guide Unrestricted 2018 Siemens Protection Devices Limited Page 61 of 61 ...
Page 277: ...7SR220 Settings Guide Unrestricted Page 72 of 107 2013 Siemens Protection Devices Limited ...
Page 382: ...7SR220 Technical Manual Chapter 4 Page 2 of 96 2017 Siemens Protection Devices Limited ...
Page 386: ...7SR220 Technical Manual Chapter 4 Page 6 of 96 2017 Siemens Protection Devices Limited ...
Page 398: ...7SR220 Technical Manual Chapter 4 Page 18 of 96 2017 Siemens Protection Devices Limited ...
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