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
Figure 365:
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.
1MRK505222-UUS C
Section 12
Control
713
Technical reference manual
Summary of Contents for Relion 670 series
Page 1: ...Relion 670 series Line differential protection RED670 ANSI Technical reference manual...
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