ABB RED650, Technical Manual

Page: 174 / 926

Name Values (Range) Unit Step Default Description
k3 0.05 - 999.00 - 0.01 0.05 Time multiplier for the inverse time delay
for step 3
IMin3 1 - 10000 %IB 1 33 Minimum operate current for step3 in %
of IBase
t3Min 0.000 - 60.000 s 0.001 0.000 Minimum operate time for inverse curves
for step 3
I3Mult 1.0 - 10.0 - 0.1 2.0 Multiplier for current operate level for
step 3
DirMode4 Off
Non-directional
Forward
Reverse
- - Non-directional Directional mode of step 4 (off, nodir,
forward, reverse)
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 Def time delay or add time delay for
inverse char 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 71: 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 % 1 20 Operate level of 2nd harmonic curr in %
of fundamental curr
I1>Min 5 - 2500 %IB 1 5 Minimum used operating phase current
level for step 1 in % of IBase, if I1> is
less than I1>Min then I1> is set to
I1>Min
Table continues on next page
Section 8
1MRK 505 394-UEN A
Current protection
168 Line differential protection RED650 2.2 IEC
Technical manual