ABB Relion 670 series - Page 723

For a bus-section circuit breaker between A1 and A2 section busbars, these conditions are
valid:
en04000490_ansi.vsd
S1S2OPTR (B1B2)
BC12OPTR (sect.1)
1289OPTR (bay 1/sect.2)
1289OPTR (bay n/sect.2)
S1S2OPTR (B1B2)
BC12OPTR (sect.2)
1289OPTR (bay 1/sect.1)
1289OPTR (bay n /sect.1)
BBTR_OP
VP_BBTR
EXDU_12
OR
AND
OR
AND
. . .
. . .
. . .
. . .
AND
AND
VPS1S2TR (B1B2)
VPBC12TR (sect.1)
VP1289TR (bay 1/sect.2)
VP1289TR (bay n/sect.1)
. . .
. . .
VPBC12TR (sect.2)
VP1289TR (bay 1/sect.1)
VP1289TR (bay n/sect.1)
. . .
. . .
AND
EXDU_12 (bay 1/sect.2)
EXDU_12 (bay n /sect.2)
EXDU_12(bay 1/sect.1)
EXDU_12 (bay n /sect.1)
EXDU_BS (B1B2)
EXDU_BC (sect.1)
EXDU_BC (sect.2)
. . .
. . .
. . .
. . .
ANSI04000490 V1 EN
Figure 338: 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:
1MRK 506 369-UUS - Section 15
Control
Line distance protection REL670 2.2 ANSI 717
Application manual