Power Systems In a 4 bus,4×4 Y bus matrix the number of non zero elements are 12. Find the number of transmission lines? 8 2 5 4 8 2 5 4 ANSWER DOWNLOAD EXAMIANS APP
Power Systems A 200 MVA alternator operated at no load at frequency of 50 Hz, it has inertia constant of 5 MWsec/MVA and governing system has a time delay of 0.6 sec. If the load of 50 MW is suddenly applied then find the frequency deviation during this time? -0.85 Hz 0.76 Hz 0.85 Hz -0.76 Hz -0.85 Hz 0.76 Hz 0.85 Hz -0.76 Hz ANSWER DOWNLOAD EXAMIANS APP
Power Systems Skin effect depends on All of these conductivity frequency relative permeability All of these conductivity frequency relative permeability ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following relationships are not valid for short transmission lines A = D = 1 All of these Is = Ir B = C = Z A = D = 1 All of these Is = Ir B = C = Z ANSWER DOWNLOAD EXAMIANS APP
Power Systems Most commonly used material for insulator is mica glass All of these porcelain mica glass All of these porcelain ANSWER DOWNLOAD EXAMIANS APP
Power Systems A loss less transmission line having surge impedance loading (SIL) of 2280 MW is provided with a uniformly distributed series capacitive compensation of 30 %. Then SIL of compensated transmission line will be 2725 MW. 3257 MW. 2280 MW. 1835 MW. 2725 MW. 3257 MW. 2280 MW. 1835 MW. ANSWER DOWNLOAD EXAMIANS APP
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