setting the appropriate module inputs as follows. In the functional block diagram, 0 and 1
are designated 0=FALSE and 1=TRUE:
• 289_OP = 1
• 289_CL = 0
• 789_OP = 1
• 789_CL = 0
• 7189G_OP = 1
• 7189G_CL = 0
If there is no second busbar B and therefore no 289 and 2089 disconnectors, then the
interlocking for 289 and 2089 are not used. The states for 289, 2089, 2189G, BC_12,
BBTR are set to open by setting the appropriate module inputs as follows. In the functional
block diagram, 0 and 1 are designated 0=FALSE and 1=TRUE:
• 289_OP = 1
• 289_CL = 0
• 2089_OP = 1
• 2089_CL = 0
• 2189G_OP = 1
• 2189G_CL = 0
• BC_12_CL = 0
• VP_BC_12 = 1
• BBTR_OP = 1
• VP_BBTR = 1
15.4.4 Interlocking for transformer bay AB_TRAFO (3)
15.4.4.1 Application
The interlocking for transformer bay (AB_TRAFO, 3) function is used for a transformer
bay connected to a double busbar arrangement according to figure
334. The function is
used when there is no disconnector between circuit breaker and transformer. Otherwise,
the interlocking for line bay (ABC_LINE, 3) function can be used. This function can also
be used in single busbar arrangements.
Section 15 1MRK 506 369-UUS -
Control
712 Line distance protection REL670 2.2 ANSI
Application manual
To Next Page
Loading...
