Question

A short 3-φ transmission line with an impedance of (5 + j 20) Ω per phase has sending end and receiving end voltages of 46·85 kV and 33 kV respectively for some receiving end load at a p.f.of 0·8 lagging. Determine :

(i) power output
(ii) sending end power factor [(i) 22·86 kW (ii) 0·657 lag]

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