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1MRK 505 370-UEN D
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 162: Signals from any bays for a bus-section circuit breaker between sections B1
12.4.5.3
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
12.4.6
Interlocking for bus-section disconnector A1A2_DC
Busbar protection REB670
Application manual
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
Section 12
Control
M15111-57 v3
IP14159-1 v2
315
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