ABB Relion 650 Series Applications Manual page 153

1MRK 505 287-UUS B
ANSI04000516 V1 EN-US
Figure 64: Switchyard layout A1A2_BS (3)
The signals from other bays connected to the module A1A2_BS are described below.
10.3.5.2 Signals from all feeders
If the busbar is divided by bus-section circuit breakers into bus-sections and both circuit breakers
are closed, the opening of the circuit breaker must be blocked if a bus-coupler connection exists
between busbars on one bus-section side and if on the other bus-section side a busbar transfer is
in progress:
(WA1)A1
(WA2)B1
(WA7)C
ABC_LINE
ANSI04000489 V1 EN-US
Figure 65: Busbars divided by bus-section circuit breakers
To derive the signals:
Signal
BBTR_OP
VP_BBTR
EXDU_12
Busbar protection REB650
Application manual
WA1 (A1)
189
189G
152
389G
A1A2_BS
Section 1
A1A2_BS
B1B2_BS
ABC_BC
AB_TRAFO
The interlocking functionality in 650 series can not handle the transfer bus (WA7)C.
No busbar transfer is in progress concerning this bus-section.
The switch status of BBTR is valid.
No transmission error from any bay connected to busbar 1(A) and 2(B).
© Copyright 2013 ABB. All rights reserved
WA2 (A2)
289 289G
489G
en04000516_ansi.vsd
Section 2
ABC_BC
ABC_LINE AB_TRAFO
en04000489_ansi.vsd
A2
B2
C
Section 10
Control
M15111-4 v2
M15111-6 v3
147