Power Systems The inertia constant of 100 MVA, 50 Hz, 4 pole generator is 10 MJ/MVA. If the mechanical input to the machine is suddenly raised from 50 MW to 75 MW, the rotor acceleration will be equal to 225 electrical degrees/s² 125 electrical degrees/s² 22.5 electrical degrees/s² 12.5 electrical degrees/s² 225 electrical degrees/s² 125 electrical degrees/s² 22.5 electrical degrees/s² 12.5 electrical degrees/s² ANSWER DOWNLOAD EXAMIANS APP
Power Systems In which of the following configuration power transferability is higher? horizontal configuration same in both configuration triangular configuration None of these horizontal configuration same in both configuration triangular configuration None of these ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of following generating plants has the minimum operating cost Diesel plant. Steam plant. Nuclear plant. Hydroelectric plant. Diesel plant. Steam plant. Nuclear plant. Hydroelectric plant. ANSWER DOWNLOAD EXAMIANS APP
Power Systems India’s largest thermal power station is located at Neyveli. Kota. Chandrapur. Sarni. Neyveli. Kota. Chandrapur. Sarni. 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. 1200 A. 3600 A. 104.8 kA. 35 kA. 1200 A. 3600 A. ANSWER DOWNLOAD EXAMIANS APP
Power Systems A transmission line has (2 + j4)Ω impedance, 100 MVA and base voltage is 10 KV. Find the per unit impedance value of transmission line? (0.5 + j1 ) pu (2 + j4 ) pu (1 + j2 ) pu (4 + j8 ) pu (0.5 + j1 ) pu (2 + j4 ) pu (1 + j2 ) pu (4 + j8 ) pu ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS