ABB REL650 Technical Manual page 161

1MRK 506 382-UEN A
Line distance protection REL650 2.2 IEC
Technical manual
OperMode
startL1
startL2
startL3
More
startIN
IEC16000023 V1 EN-US
Figure 76: Phase preference 1
prefL1
prefL2
prefL3
OR
stIN40ms
stIN
IEC16000024 V1 EN-US
Figure 77: Phase preference 2
Table 62 shows the preferred phase for each detected cross-country fault type and
operating mode (OperMode).
Table 62: Preferred phase for each cross-country fault type and operating mode
Operating mode start in L1 & L2
1231c L1
1321c L2
123a L1
132a L1
213a L2
231a L2
312a L1
321a L2
Preference
Scheme
Sheme
INL1 OUTL1
INL2 OUTL2
INL3 OUTL3
than
one
AND
true
40 ms
t
OR
OR
OR
AND
OR
start in L2 & L3
L2
L3
L2
L3
L2
L2
L3
L3
Section 6
Impedance protection
prefL1
prefL2
prefL3
stIN
stIN40ms
IEC16000023-1-en.vsdx
zrelL1
AND
zrelL2
AND
zrelL3
AND
IEC16000024-1-en.vsdx
start in L3 & L1
L3
L1
L1
L1
L1
L3
L3
L3
155