Power Systems A 200 MW capacity generator has a speed regulation of 4% for a frequency drop of 0.05 Hz. Find the power input supplied by the turbine for maintaining constant frequency? 5 MW 15 MW 10 MW 20 MW 5 MW 15 MW 10 MW 20 MW ANSWER DOWNLOAD EXAMIANS APP
Power Systems The voltage and current instantaneous values are given as 5 sin (ωt + 30°) pu and 2 sin (ωt - 15°) pu respectively. Find the per unit active power? 7 pu 5.353 pu 5 pu 3.535 pu 7 pu 5.353 pu 5 pu 3.535 pu ANSWER DOWNLOAD EXAMIANS APP
Power Systems In which power plant, the thermal efficiency is quite low Nuclear power plant. Hydro power plant. Diesel power plant. Steam power plant. Nuclear power plant. Hydro power plant. Diesel power plant. Steam power plant. ANSWER DOWNLOAD EXAMIANS APP
Power Systems A 3 - Φ, 33 kV oil circuit breaker is rated 1200 A, 2000 MVA, 3 s. The symmetrical breaking current is 104.8 kA. 35 kA. 3600 A. 1200 A. 104.8 kA. 35 kA. 3600 A. 1200 A. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following statements is/are true? Due to corona, interference increases All of these power loss increases charging current increases interference increases All of these power loss increases charging current increases ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following is/are the effects of corona power loss decreases interference decreases All of these charging current increases power loss decreases interference decreases All of these charging current increases ANSWER DOWNLOAD EXAMIANS APP
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