Ormazabal cgm.3-rc User Manual

IG-183-EN version 06; 31/03/2020
6
Description and main characteristics General instructions
cgm.3 system: medium voltage SF
6
gas-insulated
cubicles up to 38 kV according to IEEE and CSA standards
1.1. Cubicle elements
Each cubicle is made up of a series of independent
compartments:
1
Gas tank
1.1
Side connection female bushings
2
Driving mechanism area
2.1
Name plate
2.2
Operating sequence plate
2.3
Actuating shafts (see mimic diagram of each model)
2.4
ekor.vpis/ekor.ivds voltage presence detection unit*
2.5
ekor.sas acoustic earthing prevention alarm unit*
3
Base
3.1
Cable compartment access cover
3.2
Medium voltage cable xing support
3.3
Gas relief compartment
3.4
Earth collector
3.5
Front cable connection bushings
Figure 1.1. Main components of cgm.3 cubicles
1. Gas tank: Sealed compartment which houses the
busbar and the switching and breaking elements,
where the insulating medium is SF
6
.
The gas tank has a membrane to allow gases to escape
in the event of an internal arc.
Do not rell the switchgear.
Figure 1.2. Gas tank

Ormazabal cgm.3-rc Specifications

General

Brand	Ormazabal
Model	cgm.3-rc
Category	Power distribution unit
Language	English