ABB RELION REX640 - Page 987

Parameter Values (Range) Unit Step Default Description
drerimpedance,
PSL
Angle load area
GFC
5.0...45.0 deg 0.1 25.0 Load discrimina-
tion angle, PSL
Gnd Op current
GFC
0.00...10.00 xIn 0.01 0.10 Basic start value for
residual curr., EF-
detection function
Gnd Op A Ref GFC 0.01...10.00 xIn 0.01 0.10 Transformer neu-
tral curr. start val.,
EF-detection func-
tion
Gnd Str voltage
GFC
0.02...1.00 xUn 0.01 0.15 Residual voltage
start value, EF-de-
tection function
Gnd Op A XC GFC 0.10...10.00 xIn 0.01 0.20 Residual current
start value, XC-fault
detection function
PP voltage XC GFC 0.10...1.00 xUn 0.01 0.80 PP-voltage start
value, XC-fault de-
tection function
Directional mode
Zn1
2=Forward
3=Reverse
1=Non-directional
2=Forward Directional mode,
zone 1
Op Mod PP loops
Zn1
0=False
1=True
0=False Enable PP/3P-loop
measurement, zone
1
PP Op delay Mod
Zn1
0=False
1=True
1=True Enable operate tim-
er for PP/3P-loops,
zone 1
R1 zone 1 0.00...3000.00 ohm 0.01 40.00 Positive sequence
resistive reach,
zone 1
X1 zone 1 0.00...3000.00 ohm 0.01 40.00 Positive sequence
reactive reach, zone
1
X1 reverse zone 1 0.00...3000.00 ohm 0.01 40.00 Pos. seq. reactive
reach in rev. dir.,
non-dir. zone 1
Z1 zone 1 0.01...3000.00 ohm 0.01 56.57 Positive sequence
reach, zone 1
Z1 angle zone 1 15.0...90.0 deg 0.1 45.0 Positive sequence
line angle, zone 1
Z1 reverse zone 1 0.00...3000.00 ohm 0.01 56.57 Positive sequence
reach in rev. dir.,
non-dir. zone 1
Min Ris PP Rch Zn1 0.00...100.00 ohm 0.01 30.00 Minimum resistive
reach of PP/3P-
loops, zone 1
Max Ris PP Rch Zn1 0.00...100.00 ohm 0.01 30.00 Maximum resistive
reach of PP/3P-
loops, zone 1
PP operate delay
Zn1
20...60000 ms 1 20 Time delay to oper-
ate of PP/3P-loops,
zone 1
Op Mod Gnd loops
Zn1
0=False
1=True
0=False Enable PE-loop
measurement, zone
1
Gnd Op Dl mode
Zn1
0=False
1=True
1=True Enable operate tim-
er for PE-loops,
zone 1
Load Comp zone 1
0=False
1=True
1=True Enable load com-
pensation for PE-
loops, zone 1
Table continues on the next page
1MRS759142 F Protection functions
REX640
Technical Manual
987