engineering recuitment HPCL Engineer Mock Test 2024 Power Systems PU System and Symmetrical Components Per Unit System
The per unit impedance of a line, to a 20 MVA, 33 kV base is 0.9. The per unit impedance to the base of 20 MVA, 11 kV will be:
1
0.9
2
2.7
3
0.3
4
8.1