Settings - Siemens SIPROTEC 4 Manual

Overcurrent time protection
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[7SJ80_knickpkt-kennlinie, 1, en_US]
Figure 2-85

Settings

2.12.6
Addresses which have an appended "A" can only be changed with DIGSI, under "Additional Settings".
The table indicates region-specific default settings. Column C (configuration) indicates the corresponding
secondary nominal current of the current transformer.
Addr.
Parameter
3101
Sens. Gnd Fault
3102
CT Err. I1
3102
CT Err. I1
3103
CT Err. F1
3104
CT Err. I2
3104
CT Err. I2
3105
CT Err. F2
3106
VPH MIN
3107
VPH MAX
3109
64-1 VGND
SIPROTEC 4, 7SJ80, Manual
E50417-G1140-C343-A8, Edition 12.2017
Tripping Time Characteristic Curves of the Inverse-Time Ground-Fault Protection with Loga-
rithmic-Inverse Knee-Point Characteristic Curve, Example EPTR
C
Setting Options
OFF
ON
ON with GF log
Alarm Only
1A
0.001 .. 1.600 A
5A
0.005 .. 8.000 A
1A
0.05 .. 35.00 A
5A
0.25 .. 175.00 A
0.0 .. 5.0 °
1A
0.001 .. 1.600 A
5A
0.005 .. 8.000 A
1A
0.05 .. 35.00 A
5A
0.25 .. 175.00 A
0.0 .. 5.0 °
10 .. 100 V
10 .. 100 V
1.8 .. 200.0 V; ∞
2.12 Ground Fault Protection 64, 67N(s), 50N(s), 51N(s)
Default Setting
Comments
OFF
(Sensitive) Ground Fault
0.050 A
Current I1 for CT Angle
Error
0.250 A
1.00 A
Current I1 for CT Angle
Error
5.00 A
0.0 °
CT Angle Error at I1
1.000 A
Current I2 for CT Angle
Error
5.000 A
10.00 A
Current I2 for CT Angle
Error
50.00 A
0.0 °
CT Angle Error at I2
40 V
L-Gnd Voltage of Faulted
Phase Vph Min
75 V
L-Gnd Voltage of Unfaulted
Phase Vph Max
40.0 V
64-1 Ground Displacement
Voltage
Functions
193

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