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C. A 220-kV, 150 MVA, 60-Hz, three-phase transmission line is 140 km long with the characteristic parameters of r-0.09 ?/km, x-0.88 ?/km, y-4.1*10-6 S/km. 10. Calculate the ABCD constants of this transmission line. 11. What is the sending end voltage if the line is supplying rated voltage and apparent power at 0.85 PF lagging? 12. What is the voltage regulation of the transmission line for the conditions in question 13. What is the efficiency of the transmission line for the conditions in question 1

Just need number 12

answer to number 11 (magnitude) is 272.305 kV

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Answer #1

Given Data v = 220 kV, 15 MVA The total npedonce s = (0.09 + j0.98) ??? The fota Shint admittomce af the ine is foe is reater tham 80km but es fom zookn 8i on lneAs per your requirement i answered only 12 question with refereence of your answer 11. Thank You

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