Configuration Setting - ABB Relion REC670 Applications Manual

Section 13
Control
These signals from each bus-section disconnector bay (A1A2_DC) are also needed. For
B1B2_DC, corresponding signals from busbar B are used. The same type of module (A1A2_DC)
is used for different busbars, that is, for both bus-section disconnector A1A2_DC and B1B2_DC.
Signal
DCCLTR
VPDCTR
EXDU_DC
If the busbar is divided by bus-section circuit breakers, the signals from the bus-section
coupler bay (A1A2_BS), rather than the bus-section disconnector bay (A1A2_DC), must be used.
For B1B2_BS, corresponding signals from busbar B are used. The same type of module
(A1A2_BS) is used for different busbars, that is, for both bus-section circuit breakers A1A2_BS
and B1B2_BS.
Signal
S1S2CLTR
VPS1S2TR
EXDU_BS
For a bus-coupler bay in section 1, these conditions are valid:
VPBC12TR (sect.2)
IEC04000485 V1 EN-US
Figure 120: Signals to a bus-coupler bay in section 1 from a bus-coupler bay in another
For a bus-coupler bay in section 2, the same conditions as above are valid by changing section
1 to section 2 and vice versa.
13.4.3.5

Configuration setting

If there is no bypass busbar and therefore no QB2 and QB7 disconnectors, then the
interlocking for QB2 and QB7 is not used. The states for QB2, QB7, QC71 are set to open by
setting the appropriate module inputs as follows. In the functional block diagram, 0 and 1 are
designated 0=FALSE and 1=TRUE:
• QB2_OP = 1
• QB2_CL = 0
• QB7_OP = 1
• QB7_CL = 0
276
The bus-section disconnector is closed.
The switch status of bus-section disconnector DC is valid.
No transmission error from the bay that contains the above information.
A bus-section coupler connection exists between bus sections 1 and 2.
The switch status of bus-section coupler BS is valid.
No transmission error from the bay containing the above information.
DCCLTR (A1A2)
DCCLTR (B1B2)
BC12CLTR (sect.2)
VPDCTR (A1A2)
VPDCTR (B1B2)
EXDU_DC (A1A2)
EXDU_DC (B1B2)
EXDU_BC (sect.2)
section
BC_12_CL
&
VP_BC_12
&
EXDU_BC
&
en04000485.vsd
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M13553-107 v4
Application manual