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Basic requirements for high voltage cable termination kit

2023-01-06
Cable termination are components that connect cables to other electrical equipment. A cable joint is a component that connects two cables. Cable termination and cable joint are collectively referred to as cable accessories. Cable accessories should be as long as the cable body can run safely, and have the same service life as the cable. A good cable accessory should have the following properties:

1. Wire core is connected properly

The main connection resistance is small and stable, can withstand the impact of fault current, long-term operation of the contact resistance should not be greater than the length of the cable core body resistance 1.2 times.

Cable accessories should have certain mechanical strength, vibration resistance, corrosion resistance, in addition to small size, low cost, easy to install on site.

2. Good insulation performance

The insulation performance of cable accessories should not be lower than the cable body, the dielectric loss of the insulating materials should be low, the sudden change of electric field in the cable accessories should be improved in the structure, there are measures to change the electric field distribution.

There is a ground shielding layer outside each phase of the high-voltage cable core, and a radial electric field is formed between the conductive core and the shielding layer.

cable accessories 

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