ABB REL650 series Technical Manual page 225

Line distance protection
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1MRK 506 335-UUS A
Name
Values (Range)
t2
0.000 - 60.000
IMin2
1 - 10000
HarmRestrain2
Off
On
DirMode3
Off
Non-directional
Forward
Reverse
IN3>
1 - 2500
t3
0.000 - 60.000
IMin3
1 - 10000
HarmRestrain3
Off
On
DirMode4
Off
Non-directional
Forward
Reverse
Characterist4
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
RI type
RD type
IN4>
1 - 2500
t4
0.000 - 60.000
k4
0.05 - 999.00
IMin4
1 - 10000
t4Min
0.000 - 60.000
HarmRestrain4
Off
On
Technical manual
Unit
Step
Default
s
0.001
0.400
%IB
1
50
-
-
On
-
-
Non-directional
%IB
1
33
s
0.001
0.800
%IB
1
33
-
-
On
-
-
Non-directional
-
-
ANSI Def. Time
%IB
1
17
s
0.001
1.200
-
0.01
0.05
%IB
1
17
s
0.001
0.000
-
-
On
Current protection
Description
Independent (definite) time delay of step 2
Minimum operate current for step 2 in % of
IBase
Enable block of step 2 from harmonic restrain
Directional mode of step 3 (off, non-directional,
forward, reverse)
Operate residual current level for step 3 in % of
IBase
Independent (definite) time delay of step 3
Minimum operate current for step 3 in % of
IBase
Enable block of step 3 from harmonic restrain
Directional mode of step 4 (off, non-directional,
forward, reverse)
Time delay curve type for step 4
Operate residual current level for step 4 in % of
IBase
Independent (definite) time delay of step 4
Time multiplier for the dependent time delay for
step 4
Minimum operate current for step 4 in % of
IBase
Minimum operate time in inverse curves step 4
Enable block of step 4 from harmonic restrain
Section 7
219

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