By increasing diameter of conductors,transmission loss could be reduced.
a)What are the difficulties that arises if thick wires used as transmission lines?
b)Suggest another method to reduce transmission loss.
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Answer:
(a)
Explanation:
By increasing the diameter of the conductor breakdown voltage of the corona can be increased. The increase in the conductor diameter results in reduction of the electric field intensity which reduces the corona. Hence hollow conductors are employed for reducing the corona in EHV lines
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