ABB RELION REX640 Technical Manual page 906

Protection functions
LVRTPTUV Output signals
Table 855: LVRTPTUV Output signals
Name
OPERATE
START
4.5.8.8 LVRTPTUV Settings
Table 856: LVRTPTUV Group settings (Basic)
Parameter Values (Range)
Voltage start value 0.05...1.20
Table 857: LVRTPTUV Non group settings (Basic)
Parameter Values (Range)
Operation
1=on
5=off
Num of start pha-
4=Exactly 1 of 3
ses
5=Exactly 2 of 3
6=Exactly 3 of 3
Voltage selection
1=Highest Ph-to-E
2=Lowest Ph-to-E
3=Highest Ph-to-Ph
4=Lowest Ph-to-Ph
5=Positive Seq
Active coordinates 1...10
Voltage level 1 0.00...1.20
Voltage level 2 0.00...1.20
Voltage level 3 0.00...1.20
Voltage level 4 0.00...1.20
Voltage level 5 0.00...1.20
Voltage level 6 0.00...1.20
Voltage level 7 0.00...1.20
Voltage level 8 0.00...1.20
Table continues on the next page
906
Type
BOOLEAN
BOOLEAN
Unit Step
xUn 0.01
Unit Step
1
xUn 0.01
xUn 0.01
xUn 0.01
xUn 0.01
xUn 0.01
xUn 0.01
xUn 0.01
xUn 0.01
1MRS759142 F
Description
Operate
Start
Default Description
0.90 Voltage value be-
low which function
starts
Default Description
1=on Operation Off / On
4=Exactly 1 of 3 Number of faulty
phases
4=Lowest Ph-to-Ph Parameter to select
voltage for curve
monitoring
3 Coordinates used
for defining LVRT
curve
0.20 1st voltage coordi-
nate for defining
LVRT curve
0.80 2nd voltage coordi-
nate for defining
LVRT curve
0.90 3rd voltage coordi-
nate for defining
LVRT curve
0.90 4th voltage coordi-
nate for defining
LVRT curve
0.90 5th voltage coordi-
nate for defining
LVRT curve
0.90 6th voltage coordi-
nate for defining
LVRT curve
0.90 7th voltage coordi-
nate for defining
LVRT curve
0.90 8th voltage coordi-
nate for defining
LVRT curve
Technical Manual
REX640