ABB REB670 Series - One-and-half circuit breaker

Please note that Table 18 is given for the preconfigured versions of REB670 which do not
contain any VT inputs.
A principle overall drawing of how to use REB670 for this type of station is given in Figure 58.
en06000148.vsd
Double
breaker
REB 670
CTRLZA
CTRLZB
TRIP
CONNZA
CONNZB
Bxxx
I3PB1
BLKTR
TRZONE
TRBAY
BOM
CTRLZA
CTRLZB
TRIP
CONNZA
CONNZB
Bxxx
I3PB1
BLKTR
TRZONE
TRBAY
CT Input
TRM
QA1 Internal BFP
Backup Trip Command
BI1
1500/1
QA1
QA2
BI2
1500/1
Zone B
Other
Equipment
Other
Equipment
CT Input
Zone A
A/D
A/D
QA2 Internal BFP
Backup Trip Command
BBP &
BFP
TRIP
QA1
BBP &
BFP
TRIP
QA2
OR
BFP
Remote
Feeder
End
Inter-
Trip
F
e
e
d
e
r
Parameter ZoneSel must
be set to "FixedToZB"
Parameter ZoneSel must
be set to "FixedToZA"
IEC06000148 V1 EN-US
Figure 58: Feeder bay in double bus – double breaker station
6.1.4.7 One-and-half circuit breaker
M6646-3 v5
A fewer number of circuit breakers are needed for the same flexibility as for double circuit
breaker busbar arrangement, as shown in Figure
59.
1MRK 505 370-UEN D Section 6
Differential protection
Busbar protection REB670 117
Application manual