ABB RELION REX640 - 4.7.3.8 UEXPDIS Settings; 4.7.3.9 UEXPDIS Monitored data

4.7.3.8 UEXPDIS Settings
Table 951: UEXPDIS Group settings (Basic)
Parameter Values (Range) Unit Step Default Description
Diameter 1...6000 %Zn 1 200 Diameter of the
Mho diagram
Offset -1000...1000 %Zn 1 -10 Offset of top of
the impedance cir-
cle from the R-axis
Displacement -1000...1000 %Zn 1 0 Displacement of
impedance circle
centre from the X-
axis
Operate delay time 60...200000 ms 10 5000 Operate delay time
Table 952: UEXPDIS Group settings (Advanced)
Parameter Values (Range) Unit Step Default Description
Restraint enable
0=Disable
1=Enable
0=Disable Enable restrain
area
Rst offset X -1000...1000 %Zn 1 0 Offset of direction-
al line from origin
along X-axis
Rst offset X angle -180.0...180.0 deg 0.1 -13.0 Angle between R-
axis and directional
line
Table 953: UEXPDIS Non group settings (Basic)
Parameter
Values (Range) Unit Step Default Description
Operation
1=on
5=off
1=on Operation Off / On
External Los Det
Ena
0=Disable
1=Enable
1=Enable Enable external ex-
citation loss detec-
tion
Voltage reversal
0=No
1=Yes
0=No Rotate voltage sig-
nals by 180 degrees
Impedance Meas
mode
1=1Phase-to-earth
2=1Phase-to-phase
3=3Phase-to-earth
4=3Phase-to-phase
5=Pos sequence
5=Pos sequence Select voltage and
currents for impe-
dance calculation
Phase Sel for Z Clc
1=A or AB
2=B or BC
3=C or CA
1=A or AB Voltage phase se-
lection
Table 954: UEXPDIS Non group settings (Advanced)
Parameter
Values (Range) Unit Step Default Description
Reset delay time 0...60000 ms 10 3000 Reset delay time
Protection functions 1MRS759142 F
1024 REX640
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