engineering recuitment GATE EE 2023-24 Test Series Electrical Machines Transformer Efficiency of a Transformer
A 300 KVA transformer has 95% efficiency at full load 0.8 pf lag and 96% at half load upf.
What is maximum efficiency(in %) at upf load
1
95.1
2
96.2
3
96.4
4
98.1