ABB REG670 - Page 348

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
I4> 5 - 2500 %IB 1 175 Operating phase current level for step 4 in
% of IBase
t4 0.000 - 60.000 s 0.001 2.000 Independent (definite) time delay of step 4
k4 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
I4Mult 1.0 - 10.0 - 0.1 2.0 Multiplier for current operate level for step
4
Table 161: OC4PTOC Group settings (advanced)
Name
Values (Range) Unit Step Default Description
IMinOpPhSel 1 - 100 %IB 1 7 Minimum current for phase selection in %
of IBase
2ndHarmStab 5 - 100 %IB 1 20 Operate level of 2nd harmonic curr in % of
fundamental curr
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 Constant reset time for 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
tCCrv1 0.1 - 10.0 - 0.1 1.0 Parameter C for customer programmable
curve for step 1
tPRCrv1 0.005 - 3.000 - 0.001 0.500 Parameter PR for customer
programmable curve for step 1
Table continues on next page
Section 8 1MRK502052-UEN B
Current protection
342
Technical manual