Power Systems The advantage of hydro electric power station over thermal power station is hydro electric station can be constructed at the place where the energy is required the initial cost of hydro electric power station is low hydro electric power station can supply the power throughout the year the operation cost of hydro electric power station is low hydro electric station can be constructed at the place where the energy is required the initial cost of hydro electric power station is low hydro electric power station can supply the power throughout the year the operation cost of hydro electric power station is low ANSWER DOWNLOAD EXAMIANS APP
Power Systems The pu parameters for a 500 MVA machine on its own base are: Inertia, H = 20 pu; reactance X = 2 pu. The pu values of inertia and reactance on 100 MVA common base, respectively, are 100, 0.4 100, 10 4, 0.4 4, 10 100, 0.4 100, 10 4, 0.4 4, 10 ANSWER DOWNLOAD EXAMIANS APP
Power Systems In a biased differential relay the bias is defined as the ratio of operating coil current and restraining coil current. fault current and operating coil current. fault current and restraining coil current. number of turns of restraining and operating coil. operating coil current and restraining coil current. fault current and operating coil current. fault current and restraining coil current. number of turns of restraining and operating coil. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Normally Z bus matrix is a null matrix full matrix unit matrix sparse matrix null matrix full matrix unit matrix sparse matrix ANSWER DOWNLOAD EXAMIANS APP
Power Systems Apart from the skin effect the non uniformity of the current distribution is also caused by bundled conductors proximity effect ferranti effect All of these bundled conductors proximity effect ferranti effect All of these ANSWER DOWNLOAD EXAMIANS APP
Power Systems Surge impedance loading can be increased by increasing of voltage level increasing of inductance value increasing of capacitance value both 1 and 2 increasing of voltage level increasing of inductance value increasing of capacitance value both 1 and 2 ANSWER DOWNLOAD EXAMIANS APP