Question 2 A 100 KVA, 440 V, three phase, 50 Hz, star-connected alternator has the following data: Frictional and wind l
Posted: Tue Apr 12, 2022 10:16 am
Question 2 A 100 KVA, 440 V, three phase, 50 Hz, star-connected alternator has the following data: Frictional and wind loss 340 W Open-circuit core loss 480 W Field winding resistance 180 at 75°C Line-line armature resistance 0.02 Ω The voltage applied to the field winding is 220 V. Calculate the efficiency of the alternator at power-factor of 0.8 at half full-load [8] Total (20)