Installation
16
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
4.5.1 Floor fastening on a profile
If the floor of the installation is not sufficiently even, it is
advisable to install the medium voltage cubicle assembly
on an auxiliary profile, to make it easier to connect them.
This profile, which can be supplied to order, must be
anchored to the floor using expansion screws.
a M10 x 25 bolt
b 66 x 65 x 4 mm profile
c Anchoring support
Fig. 4.6
Location of cubicles on profile
4.5.2 Anchoring to the floor
If the floor of the installation is even enough, it is advisable
to install the medium voltage cubicle assembly directly
anchored to the floor.
The sequence for anchoring the cubicles to the floor is as
follows:
1.
All the cubicle's functions must be in the earthing
position
[8]
.
2.
In the
feeder functions:
2.1
Remove the cable test compartment cover, using
the central handle on the cover to pull it up and
forward:
Fig. 4.7
Removing the cable test compartment access cover
2.2
Remove the cable compartment cover, using the
central handle on the cover to pull it up and forward:
Fig. 4.8
Removing the cable compartment cover
3.
In the
circuit-breaker functions:
3.1
Remove the cable compartment cover, using the
central handle on the cover to pull it up and forward.
4.
Anchor the first cubicle to the floor of the installation,
using screws at the points prepared on the base. This
will prevent vibrations or movements due to short-
circuits, possible flooding of the installation, etc.
[4]
[8] See section 5.
Sequence of Operations
Summary of Contents for cgmcosmos-2lv
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