Q2- A 25 KVA, 2500/250 V, 50 Hz, single phase transformer gave the following reading: O.C.Test: 250V,4A, 150 W (H.V. side open) S.C. Test: 90 V, 10 A, 350 W (L.V. side shorted) Determine: i) The efficiency at half load, 0.8 lagging p.f. ii) The voltage regulation on full load, 0.8 lagging p.f. iii) , The shunt branch parameters ( Rc, Xm)

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Current Division Method

The generalized current divider formula is given by the following relation below,