ABB REQ650 - Page 6

QA1
QB1
QB2
QB9
QC9
QC2
QC1
WA1
WA2
132 kV Bus
132kV/110V
132kV/
110V
132kV/
110V
REQ650-B11 – Double Busbar Single breaker 10AI (4I+1I+5U)
Single phase variant
STB RREC
79 0->1
SPT PTRC
94 1->0
SES RSYN
25 SYNC
ETP MMTR
Wh<->
EF4 PTOC
51N/67N
IN>
CV MMXN
Meter.
OC4S PTOC
51/67 3I>
SDE PSDE
67N IN<->
LFPTTR
26
BRC PTOC
46 Iub
SDD RFUF
60FL
S SCBR
Cond
SPT PIOC
50 I>>
CSP RBRF
50BF
C MMXU
Meter.
C MSQI
Meter.
CC RPLD
52PD
V MMXU
Meter.
OV2 PTOV
59 3U>
V MMXU
Meter.
V MSQI
Meter.
TCS SCBR
Cond
SPVN ZBAT
Cond
Other configured functions
DRP RDRE
Mont.
IEC61850
ANSI IEC
Function Enabled
in Settings
IEC10000323-2-en.vsd
TCS SCBR
Cond
TCS SCBR
Cond
V MMXU
Meter.
S SIMG
63
>
IEC61850
ANSI IEC
Function Disabled
in Settings
1000/5
IEC10000323 V2 EN
Figure 3. Typical application example of the REQ650 B11 used as backup protection in double busbar single
breaker arrangement when single-phase trip is required
Breaker protection REQ650
1MRK 505 283-BEN -
Product version: 1.2
6 ABB