ABB Relion Technical Manual page 213

Generator protection
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1MRK 502 048-UUS A
Name
Values (Range)
k1
0.05 - 999.00
IMin1
1 - 10000
t1Min
0.000 - 60.000
HarmRestrain1
Off
On
DirMode2
Off
Non-directional
Forward
Reverse
IN2>
1 - 2500
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
Table continues on next page
Technical manual
Unit
Step
Default
-
0.01
0.05
%IB
1
100
s
0.001
0.000
-
-
On
-
-
Non-directional
%IB
1
50
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
Current protection
Description
Time multiplier for the dependent time delay for
step 1
Minimum operate current for step1 in % of
IBase
Minimum operate time for inverse curves for
step 1
Enable block of step 1 from harmonic restrain
Directional mode of step 2 (off, non-directional,
forward, reverse)
Operate residual current level for step 2 in % of
IBase
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)
Section 8
207

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