ABB REQ650 Applications Manual page 226

Section 10
Control
220
• Shall back-up time delayed trip give Lock-out (normally yes)
• Shall Lock-out be generated when closing onto a fault (mostly)
• Shall Lock-out generated when the Auto-Recloser was OFF at the fault
• Shall Lock-out be generated if the Breaker did not have sufficient operating
power for an Auto-Reclosing sequence (normally not as no closing attempt has
been given)
In figure 91 and figure 92
designed with the Lock-out relay as an external relay alternatively with the Lock-out
created internally with the Manual closing going through the Synchro-check function.
Lock-out arranged with an external Lock-out relay.
BJ-TRIP
OR
INHIBIT
ZCVPSOF-TRIP
CCRBRF
TRBU
IEC10000264 V1 EN
Figure 91: Lock-out arranged with an external Lock-out relay
STBRREC
BU-TRIP
OR INHIBIT
ZCVPSOF-TRIP
UNSUCCL
CSPBRF
SOFTWARE
OR IO RESET
TRBU
MAN CLOSE
STBRREC CLOSE
SESRSYN
AUTO STOP
MAN ENOK
IEC10000265 V1 EN
Figure 92: Lock-out arranged with internal logic with manual closing going
through in IED
the logic shows how a closing Lock-out logic can be
STBRREC
UNSUCCL
OR
OR
RESET LOCK-OUT
OR
OR
1MRK 505 291-UEN A
SMBO
Lock-out
RXMD1
11
21
12
CLOSE COMMAND
MAIN ZAK CLOSE
IEC10000264-1-en.vsd
STPPTRC
SETLKOUT
CLLKOUT
RSTLOUT
AND
CLOSE COMMAND
Application manual
IEC10000265-1-en.vsd