Power Systems In which of the following configuration power transferability is higher? horizontal configuration triangular configuration None of these same in both configuration horizontal configuration triangular configuration None of these same in both configuration ANSWER DOWNLOAD EXAMIANS APP
Power Systems For 800 MJ stored energy in the rotor at synchronous speed, what is the inertia constant H for a 50 Hz, four pole turbo generator rated 100 MVA, 11 kV? 4 MJ/MVA 2 MJ/MVA 6 MJ/MVA 8 MJ/MVA 4 MJ/MVA 2 MJ/MVA 6 MJ/MVA 8 MJ/MVA ANSWER DOWNLOAD EXAMIANS APP
Power Systems Power transmission lines are transposed to reduce proximity effect ferranti effect radio interference skin effect proximity effect ferranti effect radio interference skin effect ANSWER DOWNLOAD EXAMIANS APP
Power Systems The time taken by the turbine to fall to 0 rpm speed from 3000 rpm is called settling time. damping time. stopping time. coasting time. settling time. damping time. stopping time. coasting time. ANSWER DOWNLOAD EXAMIANS APP
Power Systems An isolated synchronous generator with transient reactance equal to 0.1 pu on a 100 MVA base is connected to the high voltage bus through a step up transformer of reactance 0.1 pu on a 100 MVA base. The fault level at the bus is 200 MVA 500 MVA 400 MVA 100 MVA 200 MVA 500 MVA 400 MVA 100 MVA ANSWER DOWNLOAD EXAMIANS APP
Power Systems Advantages of per unit system is/are It has units for all quantities No units for any quantity Need of transformation ratio All of these It has units for all quantities No units for any quantity Need of transformation ratio All of these ANSWER DOWNLOAD EXAMIANS APP