8.3.3.1
Application
M13555-3 v8
The interlocking for bus-coupler bay (ABC_BC) function is used for a bus-coupler
bay connected to a double busbar arrangement according to figure
. The function
can also be used for a single busbar arrangement with transfer busbar or double
busbar arrangement without transfer busbar.
QB1
QB2
QC1
QA1
WA1 (A)
WA2 (B)
WA7 (C)
QB7
QB20
QC2
en04000514.vsd
IEC04000514 V1 EN-US
Figure 51:
Switchyard layout ABC_BC
8.3.3.2
Configuration
M13553-138 v4
The signals from the other bays connected to the bus-coupler module ABC_BC are
described below.
8.3.3.3
Signals from all feeders
M13553-6 v4
To derive the signals:
Signal
BBTR_OP
No busbar transfer is in progress concerning this bus-coupler.
VP_BBTR
The switch status is valid for all apparatuses involved in the busbar transfer.
EXDU_12
No transmission error from any bay connected to the WA1/WA2 busbars.
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
QB1 or QB2 or both are open.
VPQB12TR
The switch status of QB1 and QB2 are valid.
EXDU_12
No transmission error from the bay that contains the above information.
Section 8
1MRK 511 423-UEN A
Control
134
Bay control REC650 2.2 IEC
Application manual
