ABB REL670 2.2 IEC - Page 691

QB1OPTR (bay 1/sect.A2)
BB_DC_OP
VP_BB_DC
EXDU_BB
en04000507.vsd
QB1OPTR (bay n/sect.A2)
. . .
. . .
. . .
VPQB1TR (bay 1/sect.A2)
VPQB1TR (bay n/sect.A2)
VPDCTR (A1/A2)
EXDU_BB (bay n/sect.A2)
. . .
. . .
. . .
. . .
. . .
. . .
&
&
&
DCOPTR (A1/A2)
EXDU_BB (bay 1/sect.A2)
EXDU_DC (A1/A2)
IEC04000507 V1 EN-US
Figure 353: Signals from any bays in section A2 to a busbar earthing switch in
the same section
For a busbar earthing switch, these conditions from the B1 busbar section are valid:
QB2OPTR(QB220OTR)(bay 1/sect.B1)
BB_DC_OP
VP_BB_DC
EXDU_BB
en04000508.vsd
QB2OPTR (QB220OTR)(bay n/sect.B1)
. . .
. . .
. . .
VPQB2TR(VQB220TR) (bay 1/sect.B1)
VPQB2TR(VQB220TR) (bay n/sect.B1)
VPDCTR (B1/B2)
EXDU_BB (bay n/sect.B1)
. . .
. . .
. . .
. . .
. . .
. . .
&
&
&
DCOPTR (B1/B2)
EXDU_BB (bay 1/sect.B1)
EXDU_DC (B1/B2)
IEC04000508 V1 EN-US
Figure 354: Signals from any bays in section B1 to a busbar earthing switch in
the same section
For a busbar earthing switch, these conditions from the B2 busbar section are valid:
1MRK 506 369-UEN B Section 15
Control
Line distance protection REL670 2.2 IEC 685
Application manual