A
three phase transmission line delivers a load of 5 MW at 0.8 power factor
lagging. Resistance of each conductor is 0.5 ohm / km. Receiving end voltage is
33 kV. If the line loss is not to exceed 10%, determine the length of the line,
7
km
27.9
km
56.8
km
13.9
km
27.9
km
Load current
I = 27.9km
Hence,
the correct option is (B).
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