Name
Values (Range)
Unit
Step
Default
Description
Characterist4
ANSI Ext. inv.
ANSI Very inv.
ANSI Norm. 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
Selection of time delay curve type for step 4
Pickup4
1 - 2500
%IB
1
175
Phase current operate level for step4 in % of
IBase
t4
0.000 - 60.000
s
0.001
2.000
Definitive time delay of step 4
TD4
0.05 - 999.00
-
0.01
0.05
Time multiplier for the inverse time delay for
step 4
IMin4
1 - 10000
%IB
1
17
Minimum operate current for step4 in % of
IBase
t4Min
0.000 - 60.000
s
0.001
0.000
Minimum operate time for inverse curves for
step 4
MultPU4
1.0 - 10.0
-
0.1
2.0
Multiplier for current operate level for step 4
Table 192:
OC4PTOC (51_67) Group settings (advanced)
Name
Values (Range)
Unit
Step
Default
Description
PUMinOpPhSel
1 - 100
%IB
1
7
Minimum current for phase selection in % of
IBase
2ndHarmStab
5 - 100
%IB
1
20
Pickup of second harm restraint in % of
Fundamental
ResetTypeCrv1
Instantaneous
IEC Reset
ANSI reset
-
-
Instantaneous
Selection of reset curve type for step 1
tReset1
0.000 - 60.000
s
0.001
0.020
Reset time delay used in IEC Definite Time
curve step 1
tPCrv1
0.005 - 3.000
-
0.001
1.000
Parameter P for customer programmable
curve for step 1
tACrv1
0.005 - 200.000
-
0.001
13.500
Parameter A for customer programmable
curve for step 1
tBCrv1
0.00 - 20.00
-
0.01
0.00
Parameter B for customer programmable
curve for step 1
Table continues on next page
1MRK505222-UUS C
Section 7
Current protection
393
Technical reference manual
Содержание Relion 670 series
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