What are the special requirements for the metal materials of high-voltage cable conductors?

The structure of high-voltage cables can generally be divided into four structural components: conductor, insulating layer, shielding, and protective layer, or called structural elements and components. The conductor is the main component of the high-voltage cable, which realizes the transmission and distribution of electricity. TXGA provides high-voltage cables of various specifications in stock, which are stable and durable, customized by the original factory, and quick-released in stock. Enter TXGA [Product Center] to place orders online for convenient purchase.

The metal materials used for high-voltage cable conductors should meet the following requirements:

(1) Excellent conductivity, which means that the resistivity of the material should be low or the conductivity of the conductor should be high, which determines the voltage drop and wire loss generated when the current is transmitted in the wire.

(2) Good thermal conductivity. The wire generates heat due to work, and the heat should be efficiently dissipated to ensure the allowable temperature of the conductor.

(3) It has good ductility and is conducive to making very thin single wires through various processing (mainly cold processing); and stranding.

(4) It has sufficient mechanical strength and elongation at break to meet manufacturing and use.

(5) There is a certain degree of corrosion resistance. It will not be severely corroded in the general environment. Therefore, the main wire materials for wire and cable are copper and aluminum.

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