ABB Relion 670 series - Page 825

line bay (ABC_LINE, 3) function can be used. This function can also be used in single busbar
arrangements.
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 429: Switchyard layout AB_TRAFO (3)
1MRK 502 066-UUS B Section 14
Control
819
Technical manual