ABB REL670 2.2 IEC - Page 686

QB1OPTR (bay 1/sect.A1)
S1DC_OP
VPS1_DC
EXDU_BB
en04000499.vsd
&
&
&
QB1OPTR (bay n/sect.A1)
. . .
. . .
. . .
VPQB1TR (bay 1/sect.A1)
VPQB1TR (bay n/sect.A1)
EXDU_DB (bay 1/sect.A1)
EXDU_DB (bay n/sect.A1)
. . .
. . .
. . .
. . .
. . .
. . .
IEC04000499 V1 EN-US
Figure 345: Signals from double-breaker bays in section A1 to a bus-section
disconnector
For a bus-section disconnector, these conditions from the A2 busbar section are
valid:
QB1OPTR (bay 1/sect.A2)
S2DC_OP
VPS2_DC
EXDU_BB
en04000500.vsd
&
&
&
QB1OPTR (bay n/sect.A2)
. . .
. . .
. . .
VPQB1TR (bay 1/sect.A2)
VPQB1TR (bay n/sect.A2)
EXDU_DB (bay 1/sect.A2)
EXDU_DB (bay n/sect.A2)
. . .
. . .
. . .
. . .
. . .
. . .
IEC04000500 V1 EN-US
Figure 346: Signals from double-breaker bays in section A2 to a bus-section
disconnector
For a bus-section disconnector, these conditions from the B1 busbar section are
valid:
Section 15 1MRK 506 369-UEN B
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680 Line distance protection REL670 2.2 IEC
Application manual