12.3.6.1 Identification
Function description IEC 61850
identification
IEC 60617
identification
ANSI/IEEE C37.2
device number
Interlocking for bus-coupler bay ABC_BC - 3
12.3.6.2 Functionality
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 187. 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)
QB7QB20
QC2
en04000514.vsd
IEC04000514 V1 EN
Figure 187: Switchyard layout ABC_BC
The interlocking functionality in 650 series can not handle the transfer
bus (WA7)C.
Section 12 1MRK 502 048-UEN A
Control
366
Technical manual
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