engineering recuitment HAL Management & Design Trainee Mock Test 2023 Power Systems PU System and Symmetrical Components Per Unit System
The reactance of a generator designated ‘x’ is given as 0.25 pu based on the generator’s name plate rating of 18 kV, 500 MVA. If the base for calculations is changed to 20 kV, 100 MVA, the generator reactance X on new base will be - (in pu)
1
1.025 pu
2
0.05 pu
3
0.0405 pu
4
0.25 pu