
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
Pickup2
1 - 200
%VB
1
150
Voltage pickup value (Definite-Time & Inverse-
Time curve) in % of VBase, 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
TD2
0.05 - 1.10
-
0.01
0.05
Time multiplier for the inverse time delay for
step 2
HystAbs2
0.0 - 100.0
%VB
0.1
0.5
Absolute hysteresis in % of VBase, step 2
Table 261:
OV2PTOV (59) 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 Inverse-Time 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 programmable over voltage
TOV 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 Time Delay reset curve for step 2
tIReset2
0.000 - 60.000
s
0.001
0.025
Time delay in Inverse-Time reset (s), step 2
Table continues on next page
Section 8
1MRK505222-UUS C
Voltage protection
516
Technical reference manual
Summary of Contents for Relion 670 series
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