ABB Relion 670 Series Technical Reference Manual page 522

Section 8
Voltage protection
Name Values (Range)
Characterist2 Definite time
Inverse curve A
Inverse curve B
Inverse curve C
Prog. inv. curve
OpMode2 1 out of 3
2 out of 3
3 out of 3
Pickup2 1 - 200
t2 0.000 - 60.000
t2Min 0.000 - 60.000
TD2 0.05 - 1.10
HystAbs2 0.0 - 100.0
Table 261: OV2PTOV (59) Group settings (advanced)
Name Values (Range)
tReset1 0.000 - 60.000
ResetTypeCrv1 Instantaneous
Frozen timer
Linearly decreased
tIReset1 0.000 - 60.000
ACrv1 0.005 - 200.000
BCrv1 0.50 - 100.00
CCrv1 0.0 - 1.0
DCrv1 0.000 - 60.000
PCrv1 0.000 - 3.000
CrvSat1 0 - 100
tReset2 0.000 - 60.000
ResetTypeCrv2 Instantaneous
Frozen timer
Linearly decreased
tIReset2 0.000 - 60.000
Table continues on next page
516
Unit Step Default
- - Definite time
- - 1 out of 3
%VB 1 150
s 0.001 5.000
s 0.001 5.000
- 0.01 0.05
%VB 0.1 0.5
Unit Step Default
s 0.001 0.025
- - Instantaneous
s 0.001 0.025
- 0.001 1.000
- 0.01 1.00
- 0.1 0.0
- 0.001 0.000
- 0.001 1.000
% 1 0
s 0.001 0.025
- - Instantaneous
s 0.001 0.025
1MRK505222-UUS C
Description
Selection of time delay curve type for step 2
Number of phases required for op (1 of 3, 2 of
3, 3 of 3) from step 2
Voltage pickup value (Definite-Time & Inverse-
Time curve) in % of VBase, step 2
Definitive time delay of step 2
Minimum operate time for inverse curves for
step 2
Time multiplier for the inverse time delay for
step 2
Absolute hysteresis in % of VBase, step 2
Description
Reset time delay used in IEC Definite Time
curve step 1
Selection of used IDMT reset curve type for
step 1
Time delay in Inverse-Time reset (s), step 1
Parameter A for customer programmable
curve for step 1
Parameter B for customer programmable
curve for step 1
Parameter C for customer programmable
curve for step 1
Parameter D for customer programmable
curve for step 1
Parameter P for customer programmable
curve for step 1
Tuning param for programmable over voltage
TOV curve, step 1
Reset time delay used in IEC Definite Time
curve step 2
Selection of Time Delay reset curve for step 2
Time delay in Inverse-Time reset (s), step 2
Technical reference manual