engineering recuitment UPCL AE (E&M) 2021 Mock Test Electrical Machines Transformer Regulation of a Transformer
A 200 / 440 V, 1 kVA transformer has impedance of Z = (R + j0.4) pu. The voltage regulation of transformer at full load 0.8 p.f lagging is 32%. Then the voltage regulation at half load 0.8 p.f leading is ____%
1
- 8%
2
- 16%
3
- 24%
4
0%