ABB Relion REC670 - 13.5 Voltage control

QB1OPTR (bay 1/sect.A1)
BB_DC_OP
VP_BB_DC
EXDU_BB
en04000506.vsd
QB1OPTR (bay n/sect.A1)
. . .
. . .
. . .
VPQB1TR (bay 1/sect.A1)
VPQB1TR (bay n/sect.A1)
VPDCTR (A1/A2)
EXDU_BB (bay n/sect.A1)
. . .
. . .
. . .
. . .
. . .
. . .
&
&
&
DCOPTR (A1/A2)
EXDU_BB (bay 1/sect.A1)
EXDU_DC (A1/A2)
IEC04000506 V1 EN-US
Figure 141: Signals from any bays in section A1 to a busbar earthing switch in the same
section
For a busbar earthing switch, these conditions from the A2 busbar section are valid:
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 142: 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:
1MRK 511 358-UEN A Section 13
Control
291
Application manual