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With the development of the times, some things can only be displayed on the ground, sometimes affecting the beauty of the city, so we began to rely on the underground. In terms of transportation, we have subways and underground drainage channels. We have also checked that many of our cables are also placed underground. The welding machine and cable company has revealed the advantages of placing cables underground.

1. Can enhance the reliability of urban power grid

Exposed metal conductors in cities are easily corroded by acid-base gas and water vapor in the atmosphere, which makes overhead lines have many hidden dangers. Therefore, it is very necessary and important to use overhead lines to enter the ground in cities. Underground cables can bring power supply reliability and higher security to cities.

2. Can enhance the transmission capacity of urban lines

Usually, the overhead lines transmit power in one direction. Z is an overhead transmission line with two towers and only two to four circuits. The cable lines buried underground can reach 20 circuits. Moreover, the underground UHV cable generally has a more efficient copper conductor, which enables it to efficiently transmit power to Z end users, greatly reducing the loss of power transmission.

3. It can eliminate visual pollution and beautify the urban environment

The huge and cobweb covered urban overhead lines have damaged the city landscape to a great extent, damaged the rows of traditional and modern building facades, and caused serious visual pollution. When the overhead lines enter the ground, they can return the urban road space to a pure place, absolutely create a comfortable aesthetic feeling for people's vision, and make the city immerse itself in beauty. 4. It can improve the use value of urban land

Land is a kind of resource with high value content but relatively scarce. Especially in the central area of modern cities, because the space safety distance of overhead lines is higher than that of underground pipelines, and there are many restrictions on the use of adjacent land, the land use value is greatly reduced. Changing to underground cable lines can improve the land use value.