ABB RELION RET670 - Signals in Double-Breaker Arrangement

en04000496_ansi.vsd
289OPTR (22089OTR)(bay 1/sect.B1)
S1DC_OP
VPS1_DC
EXDU_BB
289OPTR (22089OTR)(bay n/sect.B1)
. . .
. . .
. . .
VP289TR (V22089TR)(bay 1/sect.B1)
VP289TR (V22089TR)(bay n/sect.B1)
EXDU_BB (bay 1/sect.B1)
EXDU_BB (bay n/sect.B1)
. . .
. . .
. . .
. . .
. . .
. . .
AND
AND
AND
ANSI04000496 V1 EN-US
Figure 343: Signals from any bays in section B1 to a bus-section disconnector
For a bus-section disconnector, these conditions from the B2 busbar section are valid:
en04000497_ansi.vsd
289OPTR (22089OTR)(bay 1/sect.B2)
S2DC_OP
VPS2_DC
EXDU_BB
289OPTR (22089OTR)(bay n/sect.B2)
. . .
. . .
. . .
VP289TR(V22089TR) (bay 1/sect.B2)
VP289TR(V22089TR) (bay n/sect.B2)
VPDCTR (B2/B3)
EXDU_BB (bay n/sect.B2)
. . .
. . .
. . .
. . .
. . .
. . .
AND
DCOPTR (B2/B3)
EXDU_BB (bay 1/sect.B2)
EXDU_DC (B2/B3)
AND
AND
ANSI04000497 V1 EN-US
Figure 344: Signals from any bays in section B2 to a bus-section disconnector
15.3.6.3 Signals in double-breaker arrangement
M13542-80 v5
If the busbar is divided by bus-section disconnectors, the condition for the busbar
disconnector bay no other disconnector connected to the bus-section must be made by
a project-specific logic.
Section 15 1MRK 504 163-UUS A
Control
740 Transformer protection RET670 2.2 ANSI
Application manual