ABB Relion 650 Series Applications Manual page 170

Section 10
Control
BH_LINE_A
ANSI04000513 V1 EN-US
Figure 86: Switchyard layout breaker-and-a-half
Three types of interlocking modules per diameter are defined. BH_LINE_A (3) and BH_LINE_B (3)
are the connections from a line to a busbar. BH_CONN (3) is the connection between the two lines
of the diameter in the breaker-and-a-half switchyard layout.
For a breaker-and-a-half arrangement, the modules BH_LINE_A, BH_CONN and BH_LINE_B must be
used.
10.3.8.2 Configuration setting
For application without 989 and 989G, just set the appropriate inputs to open state and disregard
the outputs. In the functional block diagram, 0 and 1 are designated 0=FALSE and 1=TRUE:
• 989_OP = 1
• 989_CL = 0
• 989G_OP = 1
• 989G_CL = 0
If, in this case, line voltage supervision is added, then rather than setting 989 to open state,
specify the state of the voltage supervision:
• 989_OP = VOLT_OFF
• 989_CL = VOLT_ON
164
189
189G
152
289G
689
389G
6189
152
989
189G
989G
BH_CONN
© Copyright 2013 ABB. All rights reserved
289
189G
152
289G
689
389G
6289
989
289G
989G
1MRK 505 287-UUS B
WA1 (A)
WA2 (B)
BH_LINE_B
en04000513_ansi.vsd
Busbar protection REB650
Application manual
M13570-7 v3
M13569-4 v3
M13569-6 v4