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The working principle of low voltage cable

Release time:

2024-06-02

Low-voltage cable is an important equipment for transmission and power supply. It provides power support for modern life and industrial production by transmitting electrical energy from power plants or substations to various electrical equipment and end users. This article will introduce the working principle of low-voltage cable and its role in the power system.

Low-voltage cable is an important electrical equipment used to transmit electrical energy. Its working principle is mainly based on the conductivity of electrical conductors and the insulation of insulating materials. In low-voltage cables, electrical conductors are responsible for the transmission of current and are generally made of highly conductive materials such as copper or aluminum. The electrical conductors are encased in an insulating material, such as polyvinyl chloride (PVC) or cross-linked polyethylene (XLPE), to prevent current leakage or short circuits.
The working process of the low-voltage cable can be simply described as when the electric energy is transmitted from the power station to the distribution transformer on the utility pole, the high-voltage electric energy is converted into a low-voltage current through the transformer. The low-voltage cable connects the distribution transformer and the electrical equipment of the end user, and safely transmits the electric energy to each electrical equipment. In the power system, low-voltage cables play an important role in connecting all links to ensure the reliable transmission and supply of electrical energy.
In addition to the functions of transmission and power supply, low-voltage cables are also affected by factors such as environment, temperature and electromagnetic interference. Therefore, care must be taken during selection, installation and maintenance to ensure the safe and stable operation of the power system.
In general, as an indispensable part of the power system, the working principle of low-voltage cables is simple and important, which provides the necessary support and guarantee for the power demand of modern society.

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