Interlocking For Line Bay Abc_Line; Introduction - ABB Relion 670 Series Technical Reference Manual

1MRK 505 208-UEN B
11.3.10
11.3.10.1
Technical reference manual
Table 234: DB_BUS_B Output signals
Name Type
QA2CLREL BOOLEAN
QA2CLITL BOOLEAN
QB62REL BOOLEAN
QB62ITL BOOLEAN
QB2REL BOOLEAN
QB2ITL BOOLEAN
QC4REL BOOLEAN
QC4ITL BOOLEAN
QC5REL BOOLEAN
QC5ITL BOOLEAN
QB2OPTR BOOLEAN
QB2CLTR BOOLEAN
VPQB2TR BOOLEAN

Interlocking for line bay ABC_LINE

Introduction

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 212. 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
IEC04000478 V1 EN
Figure 212: Switchyard layout ABC_LINE
Description
Closing of QA2 is allowed
Closing of QA2 is forbidden
Switching of QB62 is allowed
Switching of QB62 is forbidden
Switching of QB2 is allowed
Switching of QB2 is forbidden
Switching of QC4 is allowed
Switching of QC4 is forbidden
Switching of QC5 is allowed
Switching of QC5 is forbidden
QB2 is in open position
QB2 is in closed position
Switch status of QB2 is valid (open or closed)
WA1 (A)
WA2 (B)
WA7 (C)
QB7
QC9
en04000478.vsd
Section 11
Control
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