Siemens Argus 7SR21 Technical Manual page 579
Overcurrent relay
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3.2
Voltage Transformer Supervision. (60VTS)
I
L1
(I
)
A
I
L2
(I
)
B
I
L3
(I
)
C
I
4
(I
)
G
I
5
(I
)
SEF
V
L1
(V
)
A
V
L2
(V
)
B
V
L3
(V
)
C
V
4
(V
)
X
Voltage Inputs:
Current Inputs:
Disable:
Map Pickup LED:
© 2013 Siemens Protection Devices Limited
37
50
49
(x2)
BF
37
50
49
(x2)
BF
37
50
49
(x2)
BF
46
46
60
NPS
BC
CTS
(x2)
50
37
BF
50
37
BF
NOTE: The use of some
functions are mutually exclusive
27
59
(x4)
27
47
59
(x2)
(x4)
27
59
(x4)
27
59
Optional
79
25
Figure 3.2-1
Voltage Transformer Supervision
V
(V
), V
(V
), V
L1
A
L2
B
I
(I
), I
(I
), I
L1
A
L2
B
L3
27, 47, 59N
60VTS - Self Reset
7SR210 & 7SR220 Commissioning & Maintenance Guide
7SR22
60
67/
67/
50
CTS-
51V
50
51
AFD
I
(x4)
(x4)
67/
67/
60
50
51V
50
51
CTS-
AFD
I
(x4)
(x4)
67/
67/
60
50
51V
50
51
CTS-
AFD
(x4)
(x4)
I
67/
67/
60
50N
51N
51c
VTS
(x4)
(x4)
67/
67/
50G
51G
(x4)
(x4)
67/
67/
64
50S
51S
H
(x4)
(x4)
81
(x6)
59N
74
(x2)
TCS
(V
)
L3
C
(I
),
C
81
51c
HBL
2
81
51c
HBL
2
81
51c
HBL
2
81
HBL
2N
37G
(x2)
37S
(x2)
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