5. A 3-phase overhead transmission line has the following constants : Resistance/phase Inductive reactance/phase = 35 2 Capacitive admittance/phase = 3 x 10 siemen = 10 2 If the line supplied a balanced load of 40,000 kVA at 110 kV and 0-8 p.f. lagging, calculate: (i) sending end power factor (iii) transmission efficiency (ii) percentage regulation |() 0-798 lag (ii) 10% (iii) 96-38%

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5. A 3-phase overhead transmission line has the following constants:
Resistance/phase
Inductive reactance/phase
10 2
= 35 2
3 x 10* siemen
Capacitive admittance/phase
If the line supplied a balanced load of 40,000 kVA at 110 kV and 0-8 p.f. lagging, calculate :
(i) sending end power factor
(iii) transmission efficiency
(ii) percentage regulation
[) 0-798 lag (ii) 10% (iii) 96-38%]|
Transcribed Image Text:5. A 3-phase overhead transmission line has the following constants: Resistance/phase Inductive reactance/phase 10 2 = 35 2 3 x 10* siemen Capacitive admittance/phase If the line supplied a balanced load of 40,000 kVA at 110 kV and 0-8 p.f. lagging, calculate : (i) sending end power factor (iii) transmission efficiency (ii) percentage regulation [) 0-798 lag (ii) 10% (iii) 96-38%]|
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