ABB RELION REX640 Technical Manual page 1002

Protection functions
Name Type
Release PP-loop Enum
Cross country fault BOOLEAN
Earth fault detected BOOLEAN
Earth-fault direction Enum
Operate of all zones INT32
Fault/load Dir Zn1 Enum
Dir resistance Zn1 FLOAT32
Dir reactance Zn1 FLOAT32
Flt loop 1st Ris Zn1 FLOAT32
Flt loop 1st Rea Zn1 FLOAT32
Flt loop 2nd Ris Zn1 FLOAT32
Flt loop 2nd Rea Zn1 FLOAT32
Flt PP-loop Ris Zn1 FLOAT32
Flt PP-loop Rea Zn1 FLOAT32
Table continues on the next page
1002
Values (Range) Unit
-2=BCG Fault
-1=ABG Fault
1=AG Fault
2=BG Fault
3=CG Fault
4=AB Fault
5=BC Fault
6=CA Fault
7=ABC Fault
-5=No fault
-4=ABCG Fault
-3=CAG Fault
-2=BCG Fault
-1=ABG Fault
1=AG Fault
2=BG Fault
3=CG Fault
4=AB Fault
5=BC Fault
6=CA Fault
7=ABC Fault
0=False
1=True
0=False
1=True
0=unknown
1=forward
2=backward
3=both
0...31
0=unknown
1=forward
2=backward
3=both
-3000.00...3000.00 ohm
-3000.00...3000.00 ohm
-3000.00...3000.00 ohm
-3000.00...3000.00 ohm
-3000.00...3000.00 ohm
-3000.00...3000.00 ohm
-3000.00...3000.00 ohm
-3000.00...3000.00 ohm
1MRS759142 F
Description
Release signals for
PP/3P loops. GFC
Indication of a cross-
country-fault (high imp.
earthed), GFC
Indication of a single
phase earth-fault, GFC
Earth-fault direction
(low impedance earth-
ed), GFC
Operate signal of all
zones
Direction of fault or
load zone 1
Direction resistance,
zone 1
Direction reactance,
zone 1
First PE-loop resist-
ance, zone 1
First PE-loop reactance,
zone 1
Second PE-loop resist-
ance, zone 1
Second PE-loop reac-
tance, zone 1
PP-loop resistance,
zone 1
PP-loop reactance, zone
1
REX640
Technical Manual