ABB Relion 670 Series Applications Manual page 340

Section 12
Control
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-US
Figure 165: Signals from any bays for a bus-section circuit breaker between sections B1 and B2
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 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
12.4.6 Interlocking for bus-section disconnector A1A2_DC (3)
334
. . .
AND
. . .
. . .
AND
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
© 2017 - 2021 Hitachi Power Grids. All rights reserved
OR
BBTR_OP
AND
OR
AND VP_BBTR
AND EXDU_12
en04000491_ansi.vsd
1MRK 505 370-UUS Rev. K
M15111-57 v3
IP14159-1 v2
Busbar protection REB670
Application manual