Power Systems An alternator having an induced emf of 1.6 pu is connected to an infinite bus of 1 pu. If the bus bar has reactance of 0.6 pu and alternator has reactance of 0.2 pu, what is the maximum power that can be transferred? 2 pu 2.67 pu 5 pu 6 pu 2 pu 2.67 pu 5 pu 6 pu ANSWER DOWNLOAD EXAMIANS APP
Power Systems In a Gauss Seidel load flow method, the number of iterations may be reduced if the correction in voltage at each bus is multiplied by Blocking factor Gauss constant Lagrange multiplier Acceleration factor Blocking factor Gauss constant Lagrange multiplier Acceleration factor ANSWER DOWNLOAD EXAMIANS APP
Power Systems For transmission line which one of the following relation is true? AD - BC = 1 AD - BC = -1 AD - BC = 0 AD + BC = 0 AD - BC = 1 AD - BC = -1 AD - BC = 0 AD + BC = 0 ANSWER DOWNLOAD EXAMIANS APP
Power Systems A power generating station has a maximum demand of 1000 MW. The annual load factor is 75% and plant capacity factor is 60%. Calculate the reserve capacity? 250 MW 750 MW 1250 MW 500 MW 250 MW 750 MW 1250 MW 500 MW ANSWER DOWNLOAD EXAMIANS APP
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 12.5 electrical degrees/s² 22.5 electrical degrees/s² 225 electrical degrees/s² 125 electrical degrees/s² 12.5 electrical degrees/s² 22.5 electrical degrees/s² ANSWER DOWNLOAD EXAMIANS APP
Power Systems Making current is a------------ value? RMS any of the above peak value average RMS any of the above peak value average ANSWER DOWNLOAD EXAMIANS APP