ABB Relion REC670 - Application; Signals from Bypass Busbar

13.4.2.1 Application
M13561-3 v8
The interlocking for line bay (ABC_LINE) function is used for a line connected to a double
busbar arrangement with a transfer busbar according to figure
111. The function can also be
used for a double busbar arrangement without transfer busbar or a single busbar
arrangement with/without transfer busbar.
QB1 QB2
QC1
QA1
QC2
QB9
QC9
WA1 (A)
WA2 (B)
WA7 (C)
QB7
en04000478.vsd
IEC04000478 V1 EN-US
Figure 111: Switchyard layout ABC_LINE
M13560-4 v5
The signals from other bays connected to the module ABC_LINE are described below.
13.4.2.2 Signals from bypass busbar
M13560-6 v5
To derive the signals:
Signal
BB7_D_OP All line disconnectors on bypass WA7 except in the own bay are open.
VP_BB7_D The switch status of disconnectors on bypass busbar WA7 are valid.
EXDU_BPB No transmission error from any bay containing disconnectors on bypass
busbar WA7
These signals from each line bay (ABC_LINE) except that of the own bay are needed:
Signal
QB7OPTR Q7 is open
VPQB7TR The switch status for QB7 is valid.
EXDU_BPB No transmission error from the bay that contains the above information.
For bay n, these conditions are valid:
Section 13 1MRK 511 358-UEN A
Control
268
Application manual