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 22.5 electrical degrees/s² 225 electrical degrees/s² 125 electrical degrees/s² 12.5 electrical degrees/s² 22.5 electrical degrees/s² 225 electrical degrees/s² 125 electrical degrees/s² 12.5 electrical degrees/s² ANSWER DOWNLOAD EXAMIANS APP
Power Systems With reference to hydrometer station, the graphical representation of the discharge as function of time is known as Hectograph. Hydro-graph. Monograph. Load duration curve. Hectograph. Hydro-graph. Monograph. Load duration curve. ANSWER DOWNLOAD EXAMIANS APP
Power Systems In load flow studies PV bus is treated as PQ bus when reactive power goes beyond limit any of the above voltage at the bus become high phase angle become high reactive power goes beyond limit any of the above voltage at the bus become high phase angle become high ANSWER DOWNLOAD EXAMIANS APP
Power Systems The ABCD constants of a 3-phase transmission line are A = D = 0.8∠1°, B = 170∠85° Ω , C = 0.002∠90.4° ℧. The sending end voltage is 400 kV. The receiving end voltage under no load condition is 400 kV 500 kV 350 kV 600 kV 400 kV 500 kV 350 kV 600 kV ANSWER DOWNLOAD EXAMIANS APP
Power Systems Sum of the elements of row i equal to shunt admittances connected to bus i. If this summation is zero, indicates there is no both 1 and 2 shunt admittance mutual coupling None of these both 1 and 2 shunt admittance mutual coupling None of these ANSWER DOWNLOAD EXAMIANS APP
Power Systems If the penalty factor of a plant is unity, its incremental transmission loss is -1 1 0 None of these -1 1 0 None of these ANSWER DOWNLOAD EXAMIANS APP
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