Q4. 125 marks The load on a 420 V, 50 Hz, Y-connected, balanced three-phase source consists of three equal Y-connected a
Posted: Fri Apr 29, 2022 8:39 am
Q4. 125 marks The load on a 420 V, 50 Hz, Y-connected, balanced three-phase source consists of three equal Y-connected a impedances of 100 -j 50 2 and three equal A-connected impedances of 200 + j 150 2. a) Draw the equivalent circuit diagram. (5) b) Compute the line current, total apparent, active, reactive powers and the power factor for total load. (10) c) Draw the phasor diagram showing all voltages and currents. (5)