ABB REB670 Applications Manual page 347

Busbar protection 2.1 ansi, relion 670 series
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1MRK 505 337-UUS -
Application manual
Section 1
(WA1)A1
(WA2)B1
(WA7)C
ABC_LINE
ANSI04000479 V1 EN
Figure 130:
Busbars divided by bus-section disconnectors (circuit breakers)
To derive the signals:
Signal
BC_12_CL
A bus-coupler connection exists between busbar WA1 and WA2.
BC_17_OP
No bus-coupler connection between busbar WA1 and WA7.
BC_17_CL
A bus-coupler connection exists between busbar WA1and WA7.
BC_27_OP
No bus-coupler connection between busbar WA2 and WA7.
BC_27_CL
A bus-coupler connection exists between busbar WA2 and WA7.
VP_BC_12
The switch status of BC_12 is valid.
VP_BC_17
The switch status of BC_17 is valid.
VP_BC_27
The switch status of BC_27 is valid.
EXDU_BC
No transmission error from any bus-coupler bay (BC).
These signals from each bus-coupler bay (ABC_BC) are needed:
Signal
BC12CLTR
A bus-coupler connection through the own bus-coupler exists between busbar WA1
and WA2.
BC17OPTR
No bus-coupler connection through the own bus-coupler between busbar WA1 and
WA7.
BC17CLTR
A bus-coupler connection through the own bus-coupler exists between busbar WA1
and WA7.
BC27OPTR
No bus-coupler connection through the own bus-coupler between busbar WA2 and
WA7.
BC27CLTR
A bus-coupler connection through the own bus-coupler exists between busbar WA2
and WA7.
VPBC12TR
The switch status of BC_12 is valid.
VPBC17TR
The switch status of BC_17 is valid.
VPBC27TR
The switch status of BC_27 is valid.
EXDU_BC
No transmission error from the bay that contains the above information.
A1A2_DC(BS)
B1B2_DC(BS)
ABC_BC
ABC_LINE
Section 12
Control
Section 2
A2
B2
C
ABC_BC
en04000479_ansi.vsd
341

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