ABB REC 561 User Manual page 397

1MRK 580 151-XEN
Page 6 - 112
4.2.1.2 Signals from bus
coupler
Interlocking
For bay n, these conditions are valid:
Q7OPTR (bay 1)
Q7OPTR (bay 2)
. . .
. . .
Q7OPTR (bay n-1)
VPQ7TR (bay 1)
VPQ7TR (bay 2)
. . .
. . .
VPQ7TR (bay n-1)
EXDU_BPB (bay 1)
EXDU_BPB (bay 2)
. . .
. . .
EXDU_BPB (bay n-1)
Fig. 11 Signals from bypass busbar in line bay n
If the busbar is divided by bus-section disconnectors into bus sections, the
busbar-busbar connection could exist via the bus-section disconnector and
bus-coupler within the other bus section.
Section 1
A1
B1
C
ABC_LINE ABC_BC
Fig. 12 Busbars divided by bus-section disconnectors (circuit break-
ers)
To derive the signals:
BC_AB_CL
Signal if a bus-coupler connection exists between busbar A and B.
BC_AC_OP
Signal if there is no bus-coupler connection between busbar A and C.
BC_AC_CL
Signal if a bus-coupler connection exists between busbar A and C.
BC_BC_OP
Signal if there is no bus-coupler connection between busbar B and C.
BC_BC_CL
Signal if a bus-coupler connection exists between busbar B and C.
ABB Network Partner AB
C_DC_OP
&
VP_C_DC
&
EXDU_BPB
&
Section 2
A1A2_DC(BS)
B1B2_DC(BS)
ABC_LINE ABC_BC
Version 1.0-00
(X80151-11)
A2
B2
C
(X80151-12)