189
289
189G
289G
WA1 (A)
WA2 (B)
389G
489G
489389
252 and 489G are not
used in this interlocking
AB_TRAFO
en04000515_ansi.vsd
252
152
ANSI04000515 V1 EN-US
Figure 333: Switchyard layout AB_TRAFO (3)
M13566-4 v4
The signals from other bays connected to the module AB_TRAFO are described
below.
15.3.4.2 Signals from bus-coupler
M13566-6 v4
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.
1MRK 504 163-UUS A Section 15
Control
Transformer protection RET670 2.2 ANSI 731
Application manual
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