ABB Relion 670 Series Technical Reference Manual page 596

Section 10
Multipurpose protection
Name Values (Range)
TD_OV2 0.05 - 999.00
Operation_UV1 Disabled
Enabled
PickupVolt_UV1 2.0 - 150.0
CurveType_UV1 Definite time
Inverse curve A
Inverse curve B
Prog. inv. curve
tDef_UV1 0.00 - 6000.00
tMin_UV1 0.00 - 6000.00
TD_UV1 0.05 - 999.00
EnBlkLowV_UV1 Disabled
Enabled
BlkLowVolt_UV1 0.0 - 5.0
Operation_UV2 Disabled
Enabled
PickupVolt_UV2 2.0 - 150.0
CurveType_UV2 Definite time
Inverse curve A
Inverse curve B
Prog. inv. curve
tDef_UV2 0.00 - 6000.00
tMin_UV2 0.00 - 6000.00
TD_UV2 0.05 - 999.00
EnBlkLowV_UV2 Disabled
Enabled
BlkLowVolt_UV2 0.0 - 5.0
590
Unit Step Default
- 0.01 0.30
- - Disabled
%VB 0.1 50.0
- - Definite time
s 0.01 1.00
s 0.01 0.05
- 0.01 0.30
- - Enabled
%VB 0.1 0.5
- - Disabled
%VB 0.1 50.0
- - Definite time
s 0.01 1.00
s 0.01 0.05
- 0.01 0.30
- - Enabled
%VB 0.1 0.5
1MRK505222-UUS C
Description
Time multiplier for the dependent time delay
for OV2
Disable/Enable operation of UV1
Operate undervoltage level for UV1 in % of
Vbase
Selection of time delay curve type for UV1
Operate time delay in sec for definite time use
of UV1
Minimum operate time for Inverse-Time
curves for UV1
Time multiplier for the dependent time delay
for UV1
Enable internal low voltage level blocking for
UV1
Internal low voltage blocking level for UV1 in
% of Vbase
Disable/Enable operation of UV2
Pickup undervoltage for UV2 in % of Vbase
Selection of time delay curve type for UV2
Operate time delay in sec for definite time use
of UV2
Minimum operate time for Inverse-Time
curves for UV2
Time multiplier for the dependent time delay
for UV2
Enable internal low voltage level blocking for
UV2
Internal low voltage blocking level for UV2 in
% of Vbase
Technical reference manual