Determine primary voltage is taken from low voltage side

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The following data were obtained or a 30-kva, 60 hz, 2400-240V transformer tested at 60hz.

Voltage (V), Current(A), Power(W)

O.C. Test 240V, 3.0 A, 230 W

S.C. Test 70V, 18.8 A, 1050 W

a). determine the primary voltage when 12.5 A at 240 V is taken from the low voltage side supplying a load of 0.8 p.f. lagging.

b). Compute the efficiency and regulation in part (a)

Reference no: EM13257937

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