ABB RET670 Applications Manual page 574

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Section 3
IED application
Name
Values (Range)
Operation_UC1
Disabled
Enabled
EnBlkLowI_UC1
Disabled
Enabled
BlkLowCurr_UC1
0 - 150
PickupCurr_UC1
2.0 - 150.0
tDef_UC1
0.00 - 6000.00
tResetDef_UC1
0.00 - 6000.00
HarmRestr_UC1
Disabled
Enabled
Operation_UC2
Disabled
Enabled
EnBlkLowI_UC2
Disabled
Enabled
BlkLowCurr_UC2
0 - 150
PickupCurr_UC2
2.0 - 150.0
tDef_UC2
0.00 - 6000.00
HarmRestr_UC2
Disabled
Enabled
Operation_OV1
Disabled
Enabled
PickupVolt_OV1
2.0 - 200.0
CurveType_OV1
Definite time
Inverse curve A
Inverse curve B
Inverse curve C
Prog. inv. curve
tDef_OV1
0.00 - 6000.00
tMin_OV1
0.00 - 6000.00
TD_OV1
0.05 - 999.00
Operation_OV2
Disabled
Enabled
PickupVolt_OV2
2.0 - 200.0
CurveType_OV2
Definite time
Inverse curve A
Inverse curve B
Inverse curve C
Prog. inv. curve
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568
Unit
Step
Default
-
-
Disabled
-
-
Disabled
%IB
1
20
%IB
1.0
70.0
s
0.01
0.50
s
0.01
0.00
-
-
Disabled
-
-
Disabled
-
-
Disabled
%IB
1
20
%IB
1.0
70.0
s
0.01
0.50
-
-
Disabled
-
-
Disabled
%VB
0.1
150.0
-
-
Definite time
s
0.01
1.00
s
0.01
0.05
-
0.01
0.30
-
-
Disabled
%VB
0.1
150.0
-
-
Definite time
1MRK504116-UUS C
Description
Disable/Enable operation of UC1
Enable internal low current level blocking for
UC1
Internal low current blocking level for UC1 in
% of Ibase
Operate undercurrent level for UC1 in % of
Ibase
Independent (definitive) time delay of UC1
Reset time delay used in IEC Definite Time
curve UC1
Enable block of UC1 by 2nd harmonic restrain
Disable/Enable operation of UC2
Enable internal low current level blocking for
UC2
Internal low current blocking level for UC2 in
% of Ibase
Operate undercurrent level for UC2 in % of
Ibase
Independent (definitive) time delay of UC2
Enable block of UC2 by 2nd harmonic restrain
Disable/Enable operation of OV1
Operate voltage level for OV1 in % of Vbase
Selection of time delay curve type for OV1
Operate time delay in sec for definite time use
of OV1
Minimum operate time for Inverse-Time
curves for OV1
Time multiplier for the dependent time delay
for OV1
Disable/Enable operation of OV2
Pickup voltage for OV2 in % of Vbase
Selection of time delay curve type for OV2
Application manual

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