Interlocking For Bus-Coupler Bay Abc_Bc (3) - ABB REL650 Applications Manual

1MRK 506 334-UUS A
11.5.7
11.5.7.1
Application manual
Section 1
(WA1)A1
(WA2)B1
BH_LINE BH_LINE
ANSI04000503 V1 EN
Figure 175: Busbars divided by bus-section disconnectors (circuit breakers)
The project-specific logic is the same as for the logic for the double-breaker configuration.
Signal
S1DC_OP All disconnectors on bus-section 1 are open.
S2DC_OP All disconnectors on bus-section 2 are open.
VPS1_DC The switch status of disconnectors on bus-section 1 is valid.
VPS2_DC The switch status of disconnectors on bus-section 2 is valid.
EXDU_BB No transmission error from breaker and a half (BH) that contains the above
information.

Interlocking for bus-coupler bay ABC_BC (3)

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 176. The function can also
be used for a single busbar arrangement with transfer busbar or double busbar
arrangement without transfer busbar.
Section 2
A1A2_DC(BS)
B1B2_DC(BS)
BH_LINE BH_LINE
en04000503_ansi.vsd
Section 11
Control
A2
B2
367