10.4.7.2 Functionality
The interlocking for 1 1/2 breaker diameter (BH_CONN, BH_LINE_A,
BH_LINE_B) functions are used for lines connected to a 1 1/2 breaker diameter
according to figure
139.
WA1 (A)
WA2 (B)
QB1
QC1
QA1
QC2
QC9
QB6
QB9
QB2
QC1
QA1
QC2
QC3
QB6
QC3
QB62
QB61
QA1
QC1
QC2
QC9
QB9
BH_LINE_A
BH_LINE_B
BH_CONN
en04000513.vsd
IEC04000513 V1 EN
Figure 139: Switchyard layout 1 1/2 breaker
Three types of interlocking modules per diameter are defined. BH_LINE_A and
BH_LINE_B are the connections from a line to a busbar. BH_CONN is the
connection between the two lines of the diameter in the 1 1/2 breaker switchyard
layout.
1MRK 511 287-UEN A Section 10
Control
281
Technical manual