1. Space constraints: In some cases, due to limited space, it may not be practical or feasible to use overhead lines. Power cables can be installed underground or in cable tunnels, effectively utilizing space.
2. Aesthetics: Compared to overhead lines, cables are usually more concealed and do not affect urban or natural landscapes.
3. Communication interference: Cables can effectively avoid interference with communication lines. When power lines and communication lines are installed on the same pole, power cables can provide better electromagnetic shielding effects, thereby reducing interference with communication lines.
4.Safety factor: The cable is buried underground, which can reduce damage caused by weather, human factors, etc., thereby providing a more reliable and safer power supply.
5. Resource conservation: Compared to the erection of overhead lines, the installation of cables does not require a large number of poles and towers, thus saving a significant amount of materials and resources.
6.Environmental factors: In densely populated areas and rivers, the use of cables can reduce the impact on the surrounding environment and ecology.
7.Maintenance costs: Although the initial investment in cables may be higher, in the long run, due to their lower maintenance costs and higher reliability, using cables may be more economical.
8. Extensibility: With the development and expansion of cities, the scalability of cables is good, and new power demands can be flexibly met by adding cable branches.
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