UG degree

Underground cables – Underground cables Advantages of cables, Disadvantages of cables

Underground cables

By using underground cable, the power is transmitted from the generating station to the consumers. When electrical power is unable to transmit by overhead lines or in a thickly populated area, underground cables are used. An underground cable consists of one or more conductor covered with suitable insulation and surrounded by a protecting core. Normally the number of cores in underground cables are 1, 2, 3, 3 ½ and 4.

Advantages of cables

i. Underground cables are not subjected to lightning discharges, thunder, storms, birds and other severe weather conditions.

ii) As there is no tension on the conductor, it will not break due to mechanical reasons after being installed. Hence there are very few chances for a power failure. It reduces accidents.

iii. Less maintenance is required.

iv. There is no interference with tele communication circuits.

Disadvantages of cables

i. The installation cost is high.

ii. High voltage cables are difficult to manufacture due to the insulation problem.

iii. Joining of underground cables is difficult.

iv. Fault location is not easy.

Related posts

Educational Empowerment- why is Empowerment important in education- How does education empower individuals and society- what does it mean to empower students in learning- How do you teach empowerment

lucky

Constitution of India( இந்திய அரசியல் அமைப்பு)

lucky

DISORDER OF GIT

lucky

Leave a Comment