Ormazabal cgmcosmos-2lv, Общее руководство по инструкции

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Safety elements
41
General instructions
cgmcosmos
system
Medium voltage switchgear and control gear, fully insulated in SF
6
gas up to 24 kV with external cable test device
IG-257-EN version 01; 03/02/2016
Operations sequence of locking interlocks :
1.
Move the position indicator (yellow for the earthing
switch actuation shaft or grey for the switch-
disconnector actuation shaft) until it completely
covers access to the lever in the actuation shaft. Until
the position indicator is situated on the instructed
position the interlock is disabled.
2. Insert the interlock key and turn it in the direction
indicated on the mimic diagram of the cubicle until it
reaches the stop piece.
Fig. 6.7
Detail of the interlocking sequence
It is now that the position indicator is locked until the
sequence to remove the interlock is carried out.
3. Remove the key from the corresponding interlock.
Sequence to remove the interlock
1. Insert the key in the corresponding interlock and turn
it in the direction indicated on the mimic diagram of
the cubicle until it reaches the stop piece.
Now the corresponding position indicator is unlocked.
2. Move the position indicator (yellow for the earthing
switch actuation shaft or grey for the switch-
disconnector actuation shaft) until it
completely
uncovers the access to the lever in the actuation
shaft.
Fig. 6.8
Detail of the sequence to remove the interlock