![background image](http://html1.mh-extra.com/html/abb/relion-670-series/relion-670-series_applications-manual_3052129582.webp)
S1S2OPTR (A1A2)
BC12OPTR (sect.1)
QB12OPTR (bay 1/sect.2)
QB12OPTR (bay n/sect.2)
S1S2OPTR (A1A2)
BC12OPTR (sect.2)
QB12OPTR (bay 1/sect.1)
QB12OPTR (bay n /sect.1)
BBTR_OP
VP_BBTR
EXDU_12
en04000491.vsd
>1
&
>1
&
. . .
. . .
. . .
. . .
&
&
VPS1S2TR (A1A2)
VPBC12TR (sect.1)
VPQB12TR (bay 1/sect.2)
VPQB12TR (bay n/sect.1)
. . .
. . .
VPBC12TR (sect.2)
VPQB12TR (bay 1/sect.1)
VPQB12TR (bay n/sect.1)
. . .
. . .
&
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 (A1A2)
EXDU_BC (sect.1)
EXDU_BC (sect.2)
. . .
. . .
. . .
. . .
IEC04000491 V1 EN-US
Figure 346: Signals from any bays for a bus-section circuit breaker between sections B1
and B2
14.4.5.3
Configuration setting
M15111-57 v3
If there is no other busbar via the busbar loops that are possible, then either the interlocking
for the QA1 open circuit breaker is not used or the state for BBTR is set to open. That is, no
busbar transfer is in progress in this bus-section:
•
BBTR_OP = 1
•
VP_BBTR = 1
14.4.6
Interlocking for bus-section disconnector A1A2_DC
IP14159-1 v2
Section 14
1MRK 505 343-UEN B
Control
576
Application manual
Summary of Contents for Relion 670 series
Page 1: ...RELION 670 SERIES Line differential protection RED670 Version 2 1 IEC Application manual...
Page 2: ......
Page 40: ...34...
Page 64: ...58...
Page 150: ...144...
Page 406: ...400...
Page 472: ...466...
Page 494: ...488...
Page 512: ...506...
Page 524: ...518...
Page 604: ...598...
Page 686: ...680...
Page 718: ...712...
Page 722: ...716...
Page 758: ...752...
Page 759: ...753...