14.2.8.1
Identification
GUID-03F1A3BB-4A1E-49E8-88C6-10B3876F64DA v4
Function description
IEC 61850
identification
IEC 60617
identification
ANSI/IEEE C37.2
device number
Interlocking for breaker-and-a-half
diameter
BH_CONN
-
3
Interlocking for breaker-and-a-half
diameter
BH_LINE_A
-
3
Interlocking for breaker-and-a-half
diameter
BH_LINE_B
-
3
14.2.8.2
Functionality
M13570-3 v6
The interlocking for breaker-and-a-half diameter (BH_CONN(3), BH_LINE_A(3), BH_LINE_B(3))
functions are used for lines connected to a breaker-and-a-half diameter according to figure
WA1 (A)
WA2 (B)
189
189G
289G
989G
689
989
289
189G
289G
389G
689
389G
6289
6189
189G
289G
989G
989
BH_LINE_A
BH_LINE_B
BH_CONN
en04000513_ansi.vsd
152
152
152
ANSI04000513 V1 EN-US
Figure 419: Switchyard layout breaker-and-a-half
M13570-7 v4
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.
Section 14
1MRK 502 066-UUS B
Control
786
Technical manual
Summary of Contents for Relion 670 series
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