engineering recuitment BHEL Engineer Trainee Mock Test 2025 Power Systems Transmission and Distribution
The corona loss of a 3-phase transmission line is 100 kW at 60 kV/phase and 25 kW at 50 kV/phase. The disruptive critical voltage is
1
40 kV
2
43.6 kV
3
49.6 kV
4
50 kV