ABB Relion 650 Series Applications Manual page 164

Section 10
Control
The project-specific logic is the same as for the logic for the double-breaker configuration.
Signal
S1DC_OP
S2DC_OP
VPS1_DC
VPS2_DC
EXDU_BB
10.3.7 Interlocking for bus-coupler bay ABC_BC (3)
10.3.7.1 Application
The interlocking for bus-coupler bay (ABC_BC, 3) function is used for a bus-coupler bay connected
to a double busbar arrangement according to figure 80. The function can also be used for a single
busbar arrangement with transfer busbar or double busbar arrangement without transfer busbar.
189
152
ANSI04000514 V1 EN-US
Figure 80: Switchyard layout ABC_BC (3)
10.3.7.2 Configuration
The signals from the other bays connected to the bus-coupler module ABC_BC are described
below.
158
All disconnectors on bus-section 1 are open.
All disconnectors on bus-section 2 are open.
The switch status of disconnectors on bus-section 1 is valid.
The switch status of disconnectors on bus-section 2 is valid.
No transmission error from breaker and a half (BH) that contains the above
information.
2089
789
289
189G
289G
en04000514_ansi.vsd
The interlocking functionality in 650 series can not handle the transfer bus WA7(C).
© Copyright 2013 ABB. All rights reserved
WA1 (A)
WA2 (B)
WA7 (C)
1MRK 505 287-UUS B
IP14144-1 v2
M13555-3 v7
M13553-138 v3
Busbar protection REB650
Application manual