DieselShip's Online Content Library

Q6.  A 440 V/110 V single phase transformer is rated at 40 kV A full load output. The iron loss is 3 kW and it operates at maximum efficiency when delivering 80% full load,

Calculate EACH of the following:

(a) The full load copper loss;

(b) The full load efficiency at O .9 power factor;

(c) The efficiency at 80% full load and unity power factor.