Identification; Functionality - ABB RET650 Technical Manual

1MRK 504 135-UEN A
12.2.4.1
12.2.4.2
Technical manual

Identification

Function description
Interlocking for bus-coupler bay

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 133. 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
IEC04000514 V1 EN
Figure 133: Switchyard layout ABC_BC
The interlocking functionality in 650 series can not handle the transfer
bus (WA7)C.
IEC 61850
identification
ABC_BC
WA1 (A)
WA2 (B)
WA7 (C)
QB20 QB7
QC2
en04000514.vsd
Section 12
Control
IEC 60617 ANSI/IEEE C37.2
identification device number
- 3
283