ABB Relion 650 Series Applications Manual page 167

1MRK 505 287-UUS B
BBTR_OP (sect.1)
DCOPTR (A1A2)
DCOPTR (B1B2)
BBTR_OP (sect.2)
VP_BBTR (sect.1)
VPDCTR (A1A2)
VPDCTR (B1B2)
VP_BBTR (sect.2)
EXDU_12 (sect.1)
EXDU_DC (A1A2)
EXDU_DC (B1B2)
EXDU_12 (sect.2)
ANSI04000483 V1 EN-US
Figure 83: Signals to a bus-coupler bay in section 1 from any bays in each section
For a bus-coupler bay in section 2, the same conditions as above are valid by changing section 1 to
section 2 and vice versa.
10.3.7.4 Signals from bus-coupler
If the busbar is divided by bus-section disconnectors into bus-sections, the signals BC_12 from the
busbar coupler of the other busbar section must be transmitted to the own busbar coupler if both
disconnectors are closed.
(WA1)A1
(WA2)B1
(WA7)C
ANSI04000484 V1 EN-US
Figure 84: Busbars divided by bus-section disconnectors (circuit breakers)
To derive the signals:
Signal
BC_12_CL
VP_BC_12
EXDU_BC
Busbar protection REB650
Application manual
AND
OR
AND
AND
Section 1
A1A2_DC(BS)
B1B2_DC(BS)
ABC_BC
The interlocking functionality in 650 series can not handle the transfer bus (WA7)C.
Another bus-coupler connection exists between busbar WA1 and WA2.
The switch status of BC_12 is valid.
No transmission error from any bus-coupler bay (BC).
© Copyright 2013 ABB. All rights reserved
BBTR_OP
VP_BBTR
EXDU_12
en04000483_ansi.vsd
Section 2
A2
B2
C
ABC_BC
en04000484_ansi.vsd
Section 10
Control
M13553-58 v4
161