Table 57:
GENPDIF Group settings (advanced)
Name
Values (Range)
Unit
Step
Default
Description
EndSection1
0.20 - 1.50
IB
0.01
1.25
End of section 1, multiple of generator
rated current
EndSection2
1.00 - 10.00
IB
0.01
3.00
End of section 2, multiple of generator
rated current
SlopeSection2
10.0 - 50.0
%
0.1
40.0
Slope in section 2 of operate-restrain
characteristic, in %
SlopeSection3
30.0 - 100.0
%
0.1
80.0
Slope in section 3 of operate-restrain
characteristic, in %
OpCrossBlock
Off
On
-
-
On
Operation On / Off for cross-block logic
between phases
NegSeqROA
30.0 - 120.0
Deg
0.1
60.0
Operate Angle of int/ext neg. seq. fault
discriminator, deg
HarmDistLimit
5.0 - 100.0
%
0.1
10.0
(Total) relative harmonic distorsion limit,
percent
TempIdMin
1.0 - 5.0
IdMin
0.1
2.0
Temp. Id pickup when input
raisePickUp=1, multiple of IdMin
AddTripDelay
0.000 - 60.000
s
0.001
0.100
Additional trip delay, when input
raisePickUp=1
OperDCBiasing
Off
On
-
-
Off
Operation DC biasing On / Off
OpenCTEnable
Off
On
-
-
Off
Open CT detection feature Off/On
tOCTAlarmDelay
0.100 - 10.000
s
0.001
1.000
Open CT: time to alarm if an open CT is
detected, in sec
tOCTResetDelay
0.100 - 10.000
s
0.001
0.250
Reset delay in s. After delay, diff. function
is activated
tOCTUnrstDelay
0.100 - 100.000
s
0.001
10.000
Unrestrained diff. protection blocked after
this delay, in s
Table 58:
GENPDIF Non group settings (basic)
Name
Values (Range)
Unit
Step
Default
Description
InvertCT2Curr
No
Yes
-
-
No
Invert CT 2 curr., yes (1) or no (0). Default
is no (0).
GlobalBaseSel
1 - 12
-
1
1
Selection of one of the Global Base Value
groups
1MRK502052-UEN B
Section 6
Differential protection
149
Technical manual
Summary of Contents for Relion REG670
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