Power Systems The per unit impedance of a circuit element is 0.30. If the base kV and base MVA are halved, then the new value of the per unit impedance of the circuit element will be 0.0060 0.0030 0.60 0.30 0.0060 0.0030 0.60 0.30 ANSWER DOWNLOAD EXAMIANS APP
Power Systems Transmission line parameters of the short transmission line are 1,Z,Y,1 Z,0,Y,1 1,0,Y,1 1,Z,0,1 1,Z,Y,1 Z,0,Y,1 1,0,Y,1 1,Z,0,1 ANSWER DOWNLOAD EXAMIANS APP
Power Systems The only place where slip ring induction motors used in thermal power plants is conveyors. lubrication oil pumps. none of above. coal handling plant. conveyors. lubrication oil pumps. none of above. coal handling plant. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following statements is/are true? In case of parallel transmission lines stability increases both 1 and 3 fault current reduces fault current increases stability increases both 1 and 3 fault current reduces fault current increases ANSWER DOWNLOAD EXAMIANS APP
Power Systems The advantage of hydro electric power station over thermal power station is the initial cost of hydro electric power station is low the operation cost of hydro electric power station is low hydro electric power station can supply the power throughout the year hydro electric station can be constructed at the place where the energy is required the initial cost of hydro electric power station is low the operation cost of hydro electric power station is low hydro electric power station can supply the power throughout the year hydro electric station can be constructed at the place where the energy is required ANSWER DOWNLOAD EXAMIANS APP
Power Systems If, for a given alternator in economic operation mode, the incremental cost is given by (0.012 P + 8) Rs/MWh, dPL/dP = 0.2 and plant λ = 25, then power generation is 750 MW 1250 MW 1000 MW 1500 MW 750 MW 1250 MW 1000 MW 1500 MW ANSWER DOWNLOAD EXAMIANS APP