Structural diagram of power cable - Jiapu Cable

Structural diagram of power cable


Power cable is a necessity in our lives, it plays the role of transmitting electricity and information transmission.

Power cables are classified according to insulation materials: oil-impregnated paper insulated power cables, plastic insulated power cables and rubber insulated power cables.

The basic structure of the power cable consists of a core (conductor), an insulating layer, a shielding layer and a protective layer.

Armoured Power Cable.jpg

(1) Core: The core is the conductive part of the power cable, which is used to transport electrical energy and is the main part of the power cable.

(2) Insulation layer: The insulation layer is electrically isolated from the core of the core and the core of different phases to ensure the transmission of electric energy, and is an indispensable component of the power cable structure.

Medium Voltage XLPE Insulated Power Cable.jpg

(3) Shielding layer: Power cables of 15KV and above generally have a conductor shielding layer and an insulating shielding layer.

(4) Protective layer: The protective layer protects the power cable from external impurities and moisture, and prevents external forces from directly damaging the power cable.

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