Which of the following is INCORRECT in the case of bundled conductors?a)Increased voltage gradientb)Reduced surge impedancec)Reduced reactanced)Reduced corona lossCorrect answer is option 'A'. Can you explain this answer?

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Which of the following is INCORRECT in the case of bundled conductors?

a)
Increased voltage gradient
b)
Reduced surge impedance
c)
Reduced reactance
d)
Reduced corona loss

Correct answer is option 'A'. Can you explain this answer?

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Most Upvoted Answer

Which of the following is INCORRECT in the case of bundled conductors?...

Bundled conductor are those conductors which form from two or more stranded conductors, bundled together to get more current carrying capacity.
By using bundle conductors instead of the single conductor in the transmission line increases the GMR of the conductors.
So, inductance reduces according to the following equation.

Hence, the inductance per phase of the conductor decreases
So, capacitance increases according to the following equation

So, by using bundle conductors GMR is increased, so inductance L decrease and capacitance C increases.
Advantages of Bundled Conductors:

Bundling of conductors leads to a reduction in line inductance.
Bundling of conductors leads to increases in capacitance.
An important advantage of bundled conductors is its ability to reduce corona discharge.
Reduction in the formation of corona discharge leads to less power loss and hence improved transmission efficiency of the line.
Reduction in communication line interference.
The voltage gradient gets reduced.
The surge impedance of the line is reduced.

Answered by Bayshore Academy · View profile

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Which of the following is INCORRECT in the case of bundled conductors?a)Increased voltage gradientb)Reduced surge impedancec)Reduced reactanced)Reduced corona lossCorrect answer is option 'A'. Can you explain this answer?

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