Hitachi Relion 670 Series Applications Manual page 255

1MRK506375-UEN Rev. N
QB12OPTR (bay 1/sect.2)
QB12OPTR (bay n/sect.2)
QB12OPTR (bay 1/sect.1)
QB12OPTR (bay n /sect.1)
VPQB12TR (bay 1/sect.2)
VPQB12TR (bay n/sect.1)
VPQB12TR (bay 1/sect.1)
VPQB12TR (bay n/sect.1)
EXDU_12 (bay 1/sect.2)
EXDU_12 (bay n /sect.2)
EXDU_12(bay 1/sect.1)
EXDU_12 (bay n /sect.1)
IEC04000490 V1 EN-US
Figure 106:
For a bus-section circuit breaker between B1 and B2 section busbars, these conditions are valid:
Railway application RER670
Application manual
S1S2OPTR (B1B2)
BC12OPTR (sect.1)
. . .
. . .
S1S2OPTR (B1B2)
BC12OPTR (sect.2)
. . .
. . .
VPS1S2TR (B1B2)
VPBC12TR (sect.1)
. . .
. . .
VPBC12TR (sect.2)
. . .
. . .
EXDU_BS (B1B2)
EXDU_BC (sect.1)
. . .
. . .
EXDU_BC (sect.2)
. . .
. . .
Signals from any bays for a bus-section circuit breaker between sections A1 and
A2
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>1
& & BBTR_OP
>1
&
& VP_BBTR
& EXDU_12
en04000490.vsd
Section 12
Control
249