Name
Values (Range)
Unit
Step
Default
Description
Characterist2
Definite time
Inverse curve A
Inverse curve B
Inverse curve C
Prog. inv. curve
-
-
Definite time
Selection of time delay curve type for step
2
OpMode2
1 out of 3
2 out of 3
3 out of 3
-
-
1 out of 3
Number of phases required for op (1 of 3,
2 of 3, 3 of 3) from step 2
U2>
1.0 - 200.0
%UB
0.1
150.0
Voltage setting/start val (DT & IDMT) in %
of UBase, step 2
t2
0.000 - 60.000
s
0.001
5.000
Definitive time delay of step 2
t2Min
0.000 - 60.000
s
0.001
5.000
Minimum operate time for inverse curves
for step 2
k2
0.05 - 1.10
-
0.01
0.05
Time multiplier for the inverse time delay
for step 2
HystAbs2
0.0 - 50.0
%UB
0.1
0.5
Absolute hysteresis in % of UBase, step 2
Table 273:
OV2PTOV Group settings (advanced)
Name
Values (Range)
Unit
Step
Default
Description
tReset1
0.000 - 60.000
s
0.001
0.025
Reset time delay used in IEC Definite
Time curve step 1
ResetTypeCrv1
Instantaneous
Frozen timer
Linearly decreased
-
-
Instantaneous
Selection of used IDMT reset curve type
for step 1
tIReset1
0.000 - 60.000
s
0.001
0.025
Time delay in IDMT reset (s), step 1
ACrv1
0.005 - 200.000
-
0.001
1.000
Parameter A for customer programmable
curve for step 1
BCrv1
0.50 - 100.00
-
0.01
1.00
Parameter B for customer programmable
curve for step 1
CCrv1
0.0 - 1.0
-
0.1
0.0
Parameter C for customer programmable
curve for step 1
DCrv1
0.000 - 60.000
-
0.001
0.000
Parameter D for customer programmable
curve for step 1
PCrv1
0.000 - 3.000
-
0.001
1.000
Parameter P for customer programmable
curve for step 1
CrvSat1
0 - 100
%
1
0
Tuning param for prog. over voltage IDMT
curve, step 1
tReset2
0.000 - 60.000
s
0.001
0.025
Reset time delay used in IEC Definite
Time curve step 2
ResetTypeCrv2
Instantaneous
Frozen timer
Linearly decreased
-
-
Instantaneous
Selection of used IDMT reset curve type
for step 2
tIReset2
0.000 - 60.000
s
0.001
0.025
Time delay in IDMT reset (s), step 2
ACrv2
0.005 - 200.000
-
0.001
1.000
Parameter A for customer programmable
curve for step 2
BCrv2
0.50 - 100.00
-
0.01
1.00
Parameter B for customer programmable
curve for step 2
Table continues on next page
Section 9
1MRK502052-UEN B
Voltage protection
494
Technical manual
Summary of Contents for Relion REG670
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