Table of Contents
Advertisement
186
Apparatus control
$SSDUDWXV FRQWURO
$SSOLFDWLRQ
The apparatus control function is supervising the operation of a set of high-voltage ap-
paratuses within a bay. Apparatuses in the form of breakers, disconnectors, and earthing
switches. Figure 81 gives an overview from what places the apparatus control function
receive commands. Orders to operate an apparatus can come from the Control Centre
(CC), the station HMI, or the local back-up panel (via the I/O).
When operating from the local back-up panel, the apparatus control function can be by-
passed. The back-up panel is hard wired to the apparatuses for this purpose.
Station HMI
back-up panel
)LJXUH 2YHUYLHZ RI WKH DSSDUDWXV FRQWURO IXQFWLRQV
Features in the apparatus control function:
•
Supervision of valid operator place (one operator place at a time)
•
Each apparatus is prepared to be included in a sequence
cc
GW
REO 517
REO 517
Apparatus
Apparatus
Control
Control
I/O
I/O
&KDSWHU
&RQWURO
LON
breakers
disconnectors
earthing switches
en02000569.vsd
Advertisement
Table of Contents
