Recommended sequence of operations
33
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
3.
Pull the black handle out and turn 180º until the o
match up with the connecting pistons, as shown in
the figure.
Fig. 5.18
Detail of the inside of the cable test compartment
4.
Remove the three cable test connection pistons.
Fig. 5.19
Detail of the connection pistons
5.
Connect the cable test device:
Fig. 5.20
Detail of the cable test.
These driving mechanisms allow the opening
of the earthing switch after removing the
cable compartment cover, preventing the
closing of the circuit-breaker until the cover
is in place.
6.
Open the earthing switch (see sequence 5.3.3).
Do not remove the lever.
7.
Carry out the cable test.
8.
To return to the initial status of this section, perform
the sequence in reverse order.
Содержание cgmcosmos-2lv
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