ABB Relion 670 Series Product Manual page 5

Busbar protection REB670
Customized
Product version: 1.2
The wide application flexibility makes this product an
excellent choice for both new installations and the
refurbishment of existing installations.
Optional apparatus control for up to 30 objects can provide a
facility to draw simplified single line diagram (SLD) of the
station on the local HMI. Note that in such case medium-size,
graphic display shall be ordered.
ZA
QA1 QA1 QA1
BI1 BI1 BI1
IEC11000238 V1 EN
Figure 3. Example of single bus station
QB1 QB7 QB1
QA1 QA1
BI1 BI1
IEC06000013 V1 EN
Figure 4. Example of single bus station with transfer bus
ABB
QB1
QA1 QA1
BI1 BI1
QB7 QB1 QB7 QB1
QA1
QA1
BI1
BI1
Application examples of REB670
Examples of typical station layouts, which can be protected
with REB670 are given below:
IEC11000237 V1 EN
Figure 2. Example of T-connection
ZB
QA1 QA1
BI1 BI1
IEC11000238-1-en.vsd
QB7 QB1 QB7
QA1
BI1
1MRK505273-BEN D
IEC11000237-1-en.vsd
ZA
ZB
QB1 QB7
QA1
BI1
xx06000013.vsd
5