Configuration; Signals From All Feeders - ABB RELION 670 Series Applications Manual

1MRK 504 152-UEN B
QB1
QA1
IEC04000514 V1 EN-US
Figure 306: Switchyard layout ABC_BC
14.3.3.2

Configuration

The signals from the other bays connected to the bus-coupler module ABC_BC are described
below.
14.3.3.3

Signals from all feeders

To derive the signals:
Signal
BBTR_OP
VP_BBTR
EXDU_12
These signals from each line bay (ABC_LINE), each transformer bay (AB_TRAFO), and bus-
coupler bay (ABC_BC), except the own bus-coupler bay are needed:
Signal
QQB12OPTR
VPQB12TR
EXDU_12
For bus-coupler bay n, these conditions are valid:
Application manual
QB2 QB20 QB7
QC1
QC2
en04000514.vsd
No busbar transfer is in progress concerning this bus-coupler.
The switch status is valid for all apparatuses involved in the busbar transfer.
No transmission error from any bay connected to the WA1/WA2 busbars.
QB1 or QB2 or both are open.
The switch status of QB1 and QB2 are valid.
No transmission error from the bay that contains the above information.
WA1 (A)
WA2 (B)
WA7 (C)
Section 14
Control
M13553-138 v4
M13553-6 v4
545