Description
Heat Shrink Tubings
Heat Shrink Termination uses speciality polymers, extruded into tubings and moulded into various shapes for providing a range-taking, long-lasting, easy-to-install technique for Jointing and Terminating MV solid dielectric and paper insulated cables.
The formulation uses polyolefins mixed with various chemicals to make it suitable for use over cables. The following process is followed:
Moulded Shapes
Generally, the moulded shapes are designed to insulate and provide environmental seals, anti-tracking surfaces and creepage extensions. These are normally injection moulded and expanded using SPMs and special mandrels/fixtures.
Conductor Connection
The conductors used for cables are generally aluminium or copper. For joining / terminating these conductors the following technologies are used for underground cables:
- Crimping
- Thermal Welding
- Mechanical Connectors
- Insulation Piercing Device (LV)
PCA Cable Joints are designed to accommodate crimp and mechanical connectors.
Designs
Standard kit designs are based on cables conforming to IEC / IS standards. PCA excels in designs of customised cable accessories as per the application and needs of its customers.
Key variables necessitating customisation :
- Cable dielectric
- Cable construction and dimensions
- Electric stress system fault levels
- Earthing parameters Application
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