ABB Relion 670 series - Page 737

289OPTR(22089OTR) (bay 1/sect.B2)
BB_DC_OP
VP_BB_DC
EXDU_BB
en04000509_ansi.vsd
289OPTR(22089OTR) (bay n/sect.B2)
. . .
. . .
. . .
VP289TR(V22089TR) (bay 1/sect.B2)
VP289TR(V22089TR) (bay n/sect.B2)
VPDCTR (B1/B2)
EXDU_BB (bay n/sect.B2)
. . .
. . .
. . .
. . .
. . .
. . .
AND
DCOPTR (B1/B2)
EXDU_BB (bay 1/sect.B2)
EXDU_DC (B1/B2)
AND
AND
ANSI04000509 V1 EN
Figure 357: Signals from any bays in section B2 to a busbar grounding switch in the
same section
For a busbar grounding switch on bypass busbar C, these conditions are valid:
789OPTR (bay 1)
BB_DC_OP
VP_BB_DC
EXDU_BB
en04000510_ansi.vsd
AND
AND
AND
789OPTR (bay n)
. . .
. . .
. . .
VP789TR (bay 1)
VP789TR (bay n)
EXDU_BB (bay 1)
EXDU_BB (bay n)
. . .
. . .
. . .
. . .
. . .
. . .
ANSI04000510 V1 EN
Figure 358: Signals from bypass busbar to busbar grounding switch
1MRK 506 369-UUS - Section 15
Control
Line distance protection REL670 2.2 ANSI 731
Application manual