A 3-phase overhead transmission line has the following constants : Resistance/phase = 10 Ω Inductive reactance/phase = 35 Ω Capacitive admittance/phase = 3 x 10-4 siemen If the line supplied a balanced load of 40,000 kVA at 110 kV and 0.8 p.f. lagging, calculate: (1) sending end power factor (ii) percentage regulation (iii) transmission efficiency Use Nominal Method
