ABB RELION REX640 Technical Manual page 1024

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