ABB Relion 650 Series Applications Manual page 178

Section 10
Control
189
152
252
389
ANSI04000515 V1 EN-US
Figure 92: Switchyard layout AB_TRAFO (3)
The signals from other bays connected to the module AB_TRAFO are described below.
10.3.11.2 Signals from bus-coupler
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.
(WA1)A1
(WA2)B1
(WA7)C
AB_TRAFO
ANSI04000487 V1 EN-US
Figure 93: Busbars divided by bus-section disconnectors (circuit breakers)
172
WA1 (A)
WA2 (B)
289
189G
AB_TRAFO
289G
389G
252 and 489G are not
used in this interlocking
489G
489
en04000515_ansi.vsd
Section 1
A1A2_DC(BS)
B1B2_DC(BS)
ABC_BC
© Copyright 2013 ABB. All rights reserved
Section 2
AB_TRAFO ABC_BC
en04000487_ansi.vsd
1MRK 505 287-UUS B
A2
B2
C
Busbar protection REB650
Application manual
M13566-4 v3
M13566-6 v3