ABB RED650 Technical Manual page 173

1MRK 505 394-UEN A
Name Values (Range)
Characterist2
I2>
t2
k2
IMin2
t2Min
I2Mult
DirMode3
Characterist3
I3>
t3
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Line differential protection RED650 2.2 IEC
Technical manual
Unit
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
5 - 2500 %IB
0.000 - 60.000 s
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 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
5 - 2500 %IB
0.000 - 60.000 s
Step Default
- ANSI Def. Time
1 500
0.001 0.400
0.01 0.05
1 50
0.001 0.000
0.1 2.0
- Non-directional
- ANSI Def. Time
1 250
0.001 0.800
Section 8
Current protection
Description
Selection of time delay curve type for
step 2
Operating phase current level for step 2
in % of IBase
Def time delay or add time delay for
inverse char of step 2
Time multiplier for the inverse time delay
for step 2
Minimum operate current for step2 in %
of IBase
Minimum operate time for inverse curves
for step 2
Multiplier for current operate level for
step 2
Directional mode of step 3 (off, nodir,
forward, reverse)
Selection of time delay curve type for
step 3
Operating phase current level for step 3
in % of IBase
Def time delay or add time delay for
inverse char of step 3
167