BKR1
189
289
989
989G
389G
289G
WA1
WA2
132 kV Bus
132kV/110V
132kV/
110V
132kV/
110V
REQ650-B11A – 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<->
L PTTR
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
ANSI11000143_1_en.vsd
TCS SCBR
Cond
TCS SCBR
Cond
V MMXU
Meter.
S SIMG
63
>
DNP
ANSI
IEC
Function Disabled in Settings
IEC60870-5-103
ANSI
IEC
ANSI11000143 V1 EN
Figure 2. A typical breaker bay connecting a transmission line, with back-up protection functions
enabling single phase trip. The connection of the bay is only to a single busbar section
Breaker protection REQ650 ANSI
1MRK 505 269-BUS -
Product version: 1.1
Issued: April 2011
ABB
5