General Instructions
Description and main characteristics
6
cpg.1
GIS-type medium-voltage switchgear with full insulation in gas, up to 38 kV,
in accordance with IEEE Standards
IG-197-US version 02; 11/11/2019
1.3 Main components
Each cubicle is made up of a series of independent
compartments:
Figure 1.1.
Main elements of
cpg.1
cubicles
Gas tanks
These are the compartments which house the switching and
breaking switchgear, where the insulating medium is SF
6
gas.
There are 2 separate compartments:
•
1 for the busbar disconnector
•
1 for the circuit breaker and the grounding
disconnector
These are sealed compartments, made of stainless steel and
sealed for life. They are designed and tested to withstand an
internal arc of up to 31.5 kA - 1 s.
Depending on the function for which the cubicle was
designed, it may contain the following components:
•
Busbar disconnector
•
Grounding disconnector
•
Internal busbar and connections
•
Vacuum circuit breaker
•
Switch - disconnector
•
Fuse holders
Figure 1.2.
Gas tanks of circuit breaker and busbar disconnector for
cpg.1-v1
cubicle
There are sets of bushings in the top and bottom of the
compartments for connection of the busbar and the power
cables respectively.
1. Gas tanks
2. Busbar compartment
3. Cable compartment
4. Gas pressure relief duct (optional)
5. Control compartment
6. Driving mechanism area
Summary of Contents for velatia cpg.1
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