ABB RELION REX640 - Page 994

Parameter Values (Range) Unit Step Default Description
5=off
Phase voltage Meas
1=Accurate
2=Ph-to-ph without
Uo
1=Accurate Phase voltage
measurement prin-
ciple
Select active zones
1=Zone 1
2=Zones 1-2
3=Zones 1-3
4=Zones 1-4
5=All 5 zones
1=Zone 1 Active zones selec-
tion
System grounding
GFC
1=High impedance
2=Low impedance
3=From input
2=Low impedance Network neutral
earthing method
Ph Prf mode Lo Z
GFC
1=All loops
2=PE only
3=PP only
4=BLK leading PE
5=BLK lagging PE
1=All loops Loop selection
mode for low impe-
dance earthed net-
work
Ph Prf mode Hi Z
GFC
1=No filter
2=No preference
3=Cyc A-B-C-A
4=Cyc A-C-B-A
5=Acyc A-B-C
6=Acyc A-C-B
7=Acyc B-A-C
8=Acyc B-C-A
9=Acyc C-A-B
10=Acyc C-B-A
1=No filter Phase preference
mode for high im-
pedance earthed
network
Impedance mode
Zn
1=Rectangular
2=Polar
1=Rectangular Impedance charac-
teristic, underimpe-
dance, PSL
Impedance Chr Gnd
Zn
1=Quadrilateral
2=Mho (circular)
3=Mho Dir line
4=Offset Dir line
5=Bullet (combi)
1=Quadrilateral Impedance charac-
teristic for PE-
loops, zones
Impedance Chr PP
Zn
1=Quadrilateral
2=Mho (circular)
3=Mho Dir line
4=Offset Dir line
5=Bullet (combi)
1=Quadrilateral Impedance charac-
teristic for PP/3P-
loops, zones
Pol quantity zone
5=Cross pol
7=Pos. seq. volt.
1=Self pol
7=Pos. seq. volt. Mho polarization
method for zones
Max phase angle
zone
0...60 deg 1 15 Angle from R-axis
to right hand side
directional line
Min phase angle
zone
90...150 deg 1 115 Angle from R-axis
to left hand side di-
rectional line
Protection functions 1MRS759142 F
994 REX640
Technical Manual