Interlocking For Bus-Section Disconnector A1A2_Dc (3) - ABB RET670 Applications Manual

1MRK504116-UUS C
3.12.3.6
Application manual
S1S2OPTR (A1A2)
BC12OPTR (sect.1)
1289OPTR (bay 1/sect.2)
. . .
. . .
1289OPTR (bay n/sect.2)
S1S2OPTR (A1A2)
BC12OPTR (sect.2)
1289OPTR (bay 1/sect.1)
. . .
. . .
1289OPTR (bay n /sect.1)
VPS1S2TR (A1A2)
VPBC12TR (sect.1)
VP1289TR (bay 1/sect.2)
. . .
. . .
VP1289TR (bay n/sect.1)
VPBC12TR (sect.2)
VP1289TR (bay 1/sect.1)
. . .
. . .
VP1289TR (bay n/sect.1)
EXDU_BS (A1A2)
EXDU_BC (sect.1)
EXDU_12(bay 1/sect.2)
. . .
. . .
EXDU_12 (bay n /sect.2)
EXDU_BC (sect.2)
EXDU_12 (bay 1/sect.1)
. . .
. . .
EXDU_12 (bay n /sect.1)
ANSI04000491 V1 EN
Figure 252: Signals from any bays for a bus-section circuit breaker between
sections B1 and B2
Configuration setting
If there is no other busbar via the busbar loops that are possible, then either the
interlocking for the 152 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

Interlocking for bus-section disconnector A1A2_DC (3)

OR
AND BBTR_OP
AND
OR
AND
AND VP_BBTR
AND EXDU_12
en04000491_ansi.vsd
Section 3
IED application
633