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Question

Which one of the following statements is NOT correct for the use of bundled conductors in transmission lines ?

A.

Control of voltage gradient

B.

Reduction in corona loss

C.

Reduction in radio interference

D.

Increase in interference with communication lines

Answer ( Option D)

Increase in interference with communication lines

Solution

Advantage of bundled conductor -

●Self distance (GMR) increased without changein mutual inductance.

●Voltages gradient reduces so corona loss reduces.

●It reduces the interferences with near by communication line.

●Surge impedance decreases

●Power system stability increases. 

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