Question: Rework Problem 4.39 if the phase spacing between adjacent conductors is (a) increased by (10 %) to (7.7 mathrm{~m}) or (b) decreased by (10 %)

Rework Problem 4.39 if the phase spacing between adjacent conductors is

(a) increased by $10 \%$ to $7.7 \mathrm{~m}$ or

(b) decreased by $10 \%$ to $6.3 \mathrm{~m}$. Compare the results with those of Problem 4.39.

Problem 4.39

Calculate the capacitance-to-neutral in $\mathrm{F} / \mathrm{m}$ and the admittance-to-neutral in $\mathrm{S} / \mathrm{km}$ for the three-phase line in Problem 4.18. Also calculate the linecharging current in $\mathrm{kA} /$ phase if the line is $110 \mathrm{~km}$ in length and is operated at $230 \mathrm{kV}$. Neglect the effect of the earth plane.

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