Comparison Between Overhead Power Lines And Underground Power Cable

comparison between overhead lines and Underground cables Youtube
comparison between overhead lines and Underground cables Youtube

Comparison Between Overhead Lines And Underground Cables Youtube Discover the pros and cons of overhead lines and underground cables for electric power transmission. this comprehensive comparison explores cost, maintenance, accidents, reliability, economy, installation, efficiency, and losses. understand the key factors influencing the choice between these methods and make informed decisions for your power engineering projects. Underground cable. 01. conductor. for the overhead (transmission and distribution) lines, the bare conductor is used. for underground (transmission and distribution) cable, the insulated conductor is used. 02. conductor. size. the size of the conductor is smaller as compared to the conductor of the overhead cables.

comparison between overhead power lines and Underground power
comparison between overhead power lines and Underground power

Comparison Between Overhead Power Lines And Underground Power The underground cable requires a very high degree of insulation, hence it can not be operated above 132 kv. whereas, the overhead transmission lines have capable of transmitting power at 765 kv or even higher. the underground cable system is free from lighting and thunderstorm as compared to the overhead transmission system. the voltage drop is. Overhead power lines. the initial installation cost for overhead power lines is generally lower than for underground lines. however, you should factor in ongoing maintenance costs, as overhead lines are more susceptible to damage and may require frequent repairs. consider your budget and long term financial goals. Size of conductor. the size of conductor used in overhead lines is comparatively smaller. the size of conductor used in underground cables is relatively larger. voltage rating. overhead lines have higher voltage rating, near about 765 kv. undergrounds cables have comparatively lower voltage rating. But it doesn’t mean that underground cables are not in use. for example, underground power lines are more popular in urban areas, where overhead lines are at risk of getting in the way and disrupting construction and traffic. also, underground power lines are used to connect different parts of the same city, especially if the city is spread.

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