Configuration Setting; Interlocking For Bus-Section Disconnector A1A2_Dc - ABB Relion REC670 Applications Manual

Section 13
Control
QB12OPTR (bay 1/sect.2)
QB12OPTR (bay n/sect.2)
QB12OPTR (bay 1/sect.1)
QB12OPTR (bay n /sect.1)
VPQB12TR (bay 1/sect.2)
VPQB12TR (bay n/sect.1)
VPQB12TR (bay 1/sect.1)
VPQB12TR (bay n/sect.1)
EXDU_12(bay 1/sect.2)
EXDU_12 (bay n /sect.2)
EXDU_12 (bay 1/sect.1)
EXDU_12 (bay n /sect.1)
IEC04000491 V1 EN-US
Figure 126: Signals from any bays for a bus-section circuit breaker between sections B1
13.4.5.3

Configuration setting

If there is no other busbar via the busbar loops that are possible, then either the interlocking
for the QA1 open circuit breaker is not used or the state for BBTR is set to open. That is, no
busbar transfer is in progress in this bus-section:
• BBTR_OP = 1
• VP_BBTR = 1
13.4.6

Interlocking for bus-section disconnector A1A2_DC

282
S1S2OPTR (A1A2)
BC12OPTR (sect.1)
. . .
. . .
S1S2OPTR (A1A2)
BC12OPTR (sect.2)
. . .
. . .
VPS1S2TR (A1A2)
VPBC12TR (sect.1)
. . .
. . .
VPBC12TR (sect.2)
. . .
. . .
EXDU_BS (A1A2)
EXDU_BC (sect.1)
. . .
. . .
EXDU_BC (sect.2)
. . .
. . .
and B2
>1
& & BBTR_OP
>1
&
& VP_BBTR
& EXDU_12
en04000491.vsd
1MRK 511 358-UEN A
M15111-57 v3
IP14159-1 v2
Application manual