ABB REG670 Applications Manual page 536

Section 15
Control
530
S1S2OPTR (B1B2)
BC12OPTR (sect.1)
QB12OPTR (bay 1/sect.2)
. . .
. . .
QB12OPTR (bay n/sect.2)
S1S2OPTR (B1B2)
BC12OPTR (sect.2)
QB12OPTR (bay 1/sect.1)
. . .
. . .
QB12OPTR (bay n /sect.1)
VPS1S2TR (B1B2)
VPBC12TR (sect.1)
VPQB12TR (bay 1/sect.2)
. . .
. . .
VPQB12TR (bay n/sect.1)
VPBC12TR (sect.2)
VPQB12TR (bay 1/sect.1)
. . .
. . .
VPQB12TR (bay n/sect.1)
EXDU_BS (B1B2)
EXDU_BC (sect.1)
EXDU_12 (bay 1/sect.2)
. . .
. . .
EXDU_12 (bay n /sect.2)
EXDU_BC (sect.2)
EXDU_12(bay 1/sect.1)
. . .
. . .
EXDU_12 (bay n /sect.1)
IEC04000490 V1 EN
Figure 256: Signals from any bays for a bus-section circuit breaker between
sections A1 and A2
For a bus-section circuit breaker between B1 and B2 section busbars, these conditions
are valid:
Generator protection REG670 2.2 IEC and Injection equipment REX060, REX061, REX062
1MRK 502 071-UEN -
>1
& & BBTR_OP
>1
&
& VP_BBTR
& EXDU_12
en04000490.vsd
Application manual