Numerical - Line length for given parameters of 3 phase xmission line

Q.  What is the line length if a load of 15000 kW at a power factor 0.8 lagging can be delivered by a 3 phase transmission line having conductors each of resistance 1 Ω per kilometre? The voltage at the receiving end is to be 132kV and the loss is about 5%.
- Published on 25 Nov 15

a. 40.13km
b. 37.18km
c. 42.38km
d. 35.87km

ANSWER: 37.18km

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