engineering recuitment GATE IN Test Series 2023-24 Mock Test Electrical Machines Transformer Transformer Copper Losses
A single phase 150 kVA transformer has an efficiency of 96% at full load on 0.8 power factor. It is found that the same efficiency is achieved on half load 0.8 power factor lagging. The copper loss and iron loss in kW under full load operation respectively are
1
3, 2
2
2.67, 2.33
3
1, 4
4
3.33, 1.67