5.3.5
Setting parameters
Table 90:
STSGGIO (11REL) Group settings (basic)
Name
Values (Range)
Unit
Step
Default
Description
Operation
Disabled
Enabled
-
-
Disabled
Operation Off/On
IBase
1 - 99999
A
1
3000
Base setting for current in A
VBase
0.05 - 2000.00
kV
0.05
400
Base setting for voltage in kV
tStUpReset
0.000 - 60.000
s
0.001
7.000
Reset delay for startup signal
Enable CV
Disabled
Enabled
-
-
Enabled
Disable/Enable current variation operation
Pick Up ICV
1 - 100
%IB
1
20
Fixed threshold for ph to ph current variation
criterion
Operation37
Disabled
Enabled
-
-
Enabled
Disable/Enable low current criterion
PU_37
0 - 100
%IB
1
5
Pickup for low current in % of IBase
Enable 3I0
Disabled
Enabled
-
-
Enabled
Disable/Enable zero sequence current
criterion
PU 3I0
1 - 100
%IB
1
10
Pickup zero sequence current criterion in %
of IBase
OperationUV
Disabled
Enabled
-
-
Enabled
Disable/Enable under voltage criterion
V_Ph-N
1 - 100
%VB
1
60
Pickup phase voltage criterion in % of VBase
V_Ph-Ph
1 - 100
%VB
1
60
Pickup ph to ph voltage criterion in % of VBase
Table 91:
STSGGIO (11REL) Group settings (advanced)
Name
Values (Range)
Unit
Step
Default
Description
Time Delay CV
0.000 - 0.005
s
0.001
0.002
Time delay for phase to phase current variation
tUC
0.000 - 60.000
s
0.001
0.200
Time delay for low current criterion
t3I0
0.000 - 60.000
s
0.001
0.000
Time delay for zero sequence current criterion
tUV
0.000 - 60.000
s
0.001
0.000
Time delay for low voltage criterion
HysAbsUV
0.0 - 100.0
%VB
0.1
0.5
Hysteresis absolute value for low voltage
criterion in % of UBase
1MRK505222-UUS C
Section 5
Differential protection
171
Technical reference manual
Summary of Contents for Relion 670 series
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