engineering recuitment PGCIL Diploma Trainee Mock Test 2024 Electrical Machines Transformer Regulation of a Transformer
A single-phase transformer is supplying power to a load at terminal voltage of 11 kV. On disconnecting the load, the terminal voltage rises to 11550 V. The voltage regulation of the transformer for this load is:
1
55%
2
4.76%
3
2.5%
4
11.55%