Why Is Aluminium Used As An Overhead Cable?

Views: 280 Author: Site Editor Publish Time: Origin: Site
Are you wondering why manufacturers use aluminium instead of copper, which is a better conductor of electricity? Well, the answer is pretty simple. First, aluminium is lighter than copper, which makes it an ideal option for a strung cable. Heavy cables would cause unfathomable strain on the utility poles, which are often wood-based. Logically, any stress on the utility poles will cause them to condescend, thereby lowering the overhead cable to an unsafe distance from the ground.

Secondly, aluminium is cheaper than copper. Generally speaking, an overhead wire is often used over extremely long distances. Consequently, it is more logical to use a cheap conductor that minimizes the cost of the cable. Nevertheless, it is necessary to recall that the construction of an overhead cable using aluminium demands a conductor with a bigger diameter.

The primary reason for using a more prominent diameter conductor is that aluminium has a lower specific conductivity rate than copper. Increasing the conductor’s diameter elevates the overall conductivity of the cable immensely. This is especially important because the utmost valuable purpose of the wire is to transmit current over considerable long distances. Do you intend to carry out any long-distance power or data transmission application? An overhead line cable will undoubtedly serve you better than any other cable type.

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