ABB RED650 Technical Manual page 174

Section 8
Current protection
Name
k3
IMin3
t3Min
I3Mult
DirMode4
Characterist4
I4>
t4
k4
IMin4
t4Min
I4Mult
Table 71: OC4PTOC Group settings (advanced)
Name
IMinOpPhSel
2ndHarmStab
I1>Min
Table continues on next page
168
Values (Range) Unit
0.05 - 999.00 -
1 - 10000 %IB
0.000 - 60.000 s
1.0 - 10.0 -
Off -
Non-directional
Forward
Reverse
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
5 - 2500 %IB
0.000 - 60.000 s
0.05 - 999.00 -
1 - 10000 %IB
0.000 - 60.000 s
1.0 - 10.0 -
Values (Range) Unit
1 - 100 %IB
5 - 100 %
5 - 2500 %IB
Step Default
0.01 0.05
1 33
0.001 0.000
0.1 2.0
- Non-directional
- ANSI Def. Time
1 175
0.001 2.000
0.01 0.05
1 17
0.001 0.000
0.1 2.0
Step Default
1 7
1 20
1 5
1MRK 505 394-UEN A
Description
Time multiplier for the inverse time delay
for step 3
Minimum operate current for step3 in %
of IBase
Minimum operate time for inverse curves
for step 3
Multiplier for current operate level for
step 3
Directional mode of step 4 (off, nodir,
forward, reverse)
Selection of time delay curve type for
step 4
Operating phase current level for step 4
in % of IBase
Def time delay or add time delay for
inverse char of step 4
Time multiplier for the inverse time delay
for step 4
Minimum operate current for step4 in %
of IBase
Minimum operate time for inverse curves
for step 4
Multiplier for current operate level for
step 4
Description
Minimum current for phase selection in
% of IBase
Operate level of 2nd harmonic curr in %
of fundamental curr
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
Line differential protection RED650 2.2 IEC
Technical manual