ABB RED650 Technical Manual page 236

Section 9
Voltage protection
Name
Characterist2
OpMode2
U2<
t2
t2Min
k2
IntBlkSel2
IntBlkStVal2
tBlkUV2
HystAbs2
Table 118: UV2PTUV Group settings (advanced)
Name
tReset1
ResetTypeCrv1
tIReset1
ACrv1
BCrv1
CCrv1
DCrv1
PCrv1
CrvSat1
tReset2
ResetTypeCrv2
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Values (Range) Unit
Definite time -
Inverse curve A
Inverse curve B
Prog. inv. curve
1 out of 3 -
2 out of 3
3 out of 3
1.0 - 100.0 %UB
0.000 - 60.000 s
0.000 - 60.000 s
0.05 - 1.10 -
Off -
Block of trip
Block all
1 - 50 %UB
0.000 - 60.000 s
0.0 - 50.0 %UB
Values (Range) Unit
0.000 - 60.000 s
Instantaneous -
Frozen timer
Linearly decreased
0.000 - 60.000 s
0.005 - 200.000 -
0.50 - 100.00 -
0.0 - 1.0 -
0.000 - 60.000 -
0.000 - 3.000 -
0 - 100 %
0.000 - 60.000 s
Instantaneous -
Frozen timer
Linearly decreased
Step Default
- Definite time
- 1 out of 3
0.1 50.0
0.001 5.000
0.001 5.000
0.01 0.05
- Off
1 20
0.001 0.000
0.1 0.5
Step Default
0.001 0.025
- Instantaneous
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
0.001 0.025
- Instantaneous
1MRK 505 394-UEN A
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 setting/start val (DT & IDMT) in
% of UBase, 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
Internal (low level) blocking mode, step 2
Voltage setting for internal blocking in %
of UBase, step 2
Time delay of internal (low level)
blocking for step 2
Absolute hysteresis in % of UBase, 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 IDMT 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 prog. under voltage
IDMT curve, step 1
Reset time delay used in IEC Definite
Time curve step 2
Selection of used IDMT reset curve type
for step 2
Line differential protection RED650 2.2 IEC
Technical manual