engineering recuitment BSPHCL Technician (Electrician) 2024 Mock Test Power Systems Circuit Breakers Ratings of Circuit Breakers
An 11 kV, 500 MVA circuit breaker suddenly closes on to a fault. Find rms value of the symmetrical breaking current.
1
32.24 kA
2
45.45 kA
3
26.24 kA
4
52.48 kA