Power Distribution

  • CDL8 Series Indoor Cubicle-type Gas Insulated Switchgear (C-GIS)
  • CDL8 Series Indoor Cubicle-type Gas Insulated Switchgear (C-GIS)

CDL8 Series Indoor Cubicle-type Gas Insulated Switchgear (C-GIS)

CDL8 series indoor cubicle-type gas insulated switchgear, called as C-GIS, is a kind of product which accords to the international advanced technique. 

CDL8 series indoor cubicle-type gas insulated switchgear, called as C-GIS, is a kind of product which accords to the international advanced technique. Such as solid insulated, gas insulated, VCB and modular plug board, Combining the new He leak-check. The product has high reliability, maintenance-free and miniaturization etc.
 

Operation Conditions

■ Ambient temperature: 一Max. +65 °C 一Min. (indoor) -40°C

■ Site altitude: not more than 4500m

■ Ambient air: The ambient air is not to be significantly contaminated by corrosive, flammable gases or salt etc.

■ Earthquake intensity: less than 8 magnitude

Note: Site altitude more than 2000m are to be agreed by the manufacture and operator.

Technical Advantages

■ Adopting gas insulated for high voltage electrification components, independence to environment influences.

■ Structure compact, minimum space required.

■ Adopting interface insulated structure, realizing high voltage electrification components insertion and switchgear extension.

■ Adopting the effective interlocking between circuit breaker and the three position switch, preventing from mishandling.

■ HV components constitutes some standard modules, adopts plug-in connection, application convenient.

■ Adopting the solid insulation plug-in busbar connector, it is not need any gas operate. When connecting between cubicles.

■ Technology of the laser weld and He Leak-check is applied, high reliability.

■ Maintenance-free.

Technical Data

UnitCDC-12
Rated VolatgekV12
Rated FrequencyHz50
Rated Power Frequency Withstand Voltage (1min)kV42/48
Rated Lighting Impulse Withstand VoltagekV75/85
Rated Current of BusbarA2000, 2500, 3150
Rated Current of tee-offsA2000, 2500, 3150
Rated Short-time Withstand Current (4s)kA…25
Rated Peak Withstand Current…63
Gas-tight Enclosure Protection LevelIP67
Switchgear Protection LevelIP42
Insulating GasSF6
Rated Operating Pressure (at 20℃, gauge)Mpa0.02
Minimum Operating Pressure (at 20℃, gauge)Mpa0.00
Outline Dimensions (W*D*H)mm500/800*(1400-1600)*(210-2400)*
Note: Rated current more than 1250A, width=800mm.

Structure Sketch

Main Components

Special Structure

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