ABB REB670 - Interlocking for Line Bay ABC_LINE (3); Application; Signals from Bypass Busbar

when they are set to 0=FALSE.
12.4.2 Interlocking for line bay ABC_LINE
(3)
IP14139-1 v2
12.4.2.1 Application
M13561-3 v8
The interlocking for line bay (ABC_LINE, 3) function is used for a line connected to a
double busbar arrangement with a transfer busbar according to figure
141. The
function can also be used for a double busbar arrangement without transfer busbar or a
single busbar arrangement with/without transfer busbar.
189
289
189G
289G
989
989G
WA1 (A)
WA2 (B)
WA7 (C)
789
en04000478_ansi.vsd
152
ANSI04000478 V1 EN-US
Figure 141: Switchyard layout ABC_LINE (3)
M13560-4 v5
The signals from other bays connected to the module ABC_LINE (3) are described
below.
12.4.2.2 Signals from bypass busbar
M13560-6 v5
To derive the signals:
Signal
BB7_D_OP All line disconnectors on bypass WA7 except in the own bay are open.
VP_BB7_D The switch status of disconnectors on bypass busbar WA7 are valid.
EXDU_BPB No transmission error from any bay containing disconnectors on bypass busbar
WA7
1MRK 505 370-UUS A Section 12
Control
Busbar protection REB670 2.2 ANSI 363
Application manual