Name
Values (Range)
Unit
Step
Default
Description
Characterist4
ANSI Ext. inv.
ANSI Very inv.
ANSI Norm. inv.
ANSI Mod. inv.
ANSI Def. Time
L.T.E. inv.
L.T.V. inv.
L.T. inv.
IEC Norm. inv.
IEC Very inv.
IEC inv.
IEC Ext. inv.
IEC S.T. inv.
IEC L.T. inv.
IEC Def. Time
Reserved
Programmable
RI type
RD type
-
-
ANSI Def. Time
Time delay characteristic for step 4
I2-4>
1 - 2500
%IB
1
17
Negative sequence current op level for
step 4 in % of IBase
t4
0.000 - 60.000
s
0.001
1.200
Time delay of step 4 when definite time
char. is selected
k4
0.05 - 999.00
-
0.01
0.05
Time multiplier for the step 4 selected time
characteristic
IMin4
1.00 - 10000.00
%IB
1.00
17
Minimum current for step 4
t4Min
0.000 - 60.000
s
0.001
0.000
Minimum operate time for inverse time
characteristic step 4
I4Mult
1.0 - 10.0
-
0.1
2.0
Multiplier for scaling the current setting
value for step 4
Table 182:
NS4PTOC Group settings (advanced)
Name
Values (Range)
Unit
Step
Default
Description
ResetTypeCrv1
Instantaneous
IEC Reset
ANSI reset
-
-
Instantaneous
Reset curve type for step1
(Instantaneous / IEC / ANSI)
tReset1
0.000 - 60.000
s
0.001
0.020
Reset time delay for step 1
tPCrv1
0.005 - 3.000
-
0.001
1.000
Param P for customized inverse trip time
curve for step 1
tACrv1
0.005 - 200.000
-
0.001
13.500
Param A for customized inverse trip time
curve for step 1
tBCrv1
0.00 - 20.00
-
0.01
0.00
Param B for customized inverse trip time
curve for step 1
tCCrv1
0.1 - 10.0
-
0.1
1.0
Param C for customized inverse trip time
curve for step 1
tPRCrv1
0.005 - 3.000
-
0.001
0.500
Param PR for customized inverse reset
time curve for step 1
tTRCrv1
0.005 - 100.000
-
0.001
13.500
Param TR for customized inverse reset
time curve for step
tCRCrv1
0.1 - 10.0
-
0.1
1.0
Param CR for customized inverse reset
time curve for step 1
Table continues on next page
1MRK502052-UEN B
Section 8
Current protection
379
Technical manual
Summary of Contents for Relion REG670
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