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 4, 0.4 100, 0.4 100, 10 4, 10 4, 0.4 100, 0.4 100, 10 4, 10 ANSWER DOWNLOAD EXAMIANS APP
Power Systems The commercial sources of energy are wood, animal wastes and agricultural wastes. solar, wind, biomass. fossile fuels and radioactive substances. none of above. wood, animal wastes and agricultural wastes. solar, wind, biomass. fossile fuels and radioactive substances. none of above. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following method is used for changing power factor from leading to lagging shunt reactor series capacitor shunt capacitor any of the above shunt reactor series capacitor shunt capacitor any of the above ANSWER DOWNLOAD EXAMIANS APP
Power Systems The term self GMD is used to calculate both 1 and 2 inductance resistance capacitance both 1 and 2 inductance resistance capacitance ANSWER DOWNLOAD EXAMIANS APP
Power Systems Find the number of insulator discs required in string insulator, if operating voltage is 220 kV and maximum voltage of each disc is 11 kV? 10 21 13 20 10 21 13 20 ANSWER DOWNLOAD EXAMIANS APP
Power Systems Mho relays are used for the protection of which of the following lines? medium transmission lines only None of these short transmission lines only long transmission lines only medium transmission lines only None of these short transmission lines only long transmission lines only ANSWER DOWNLOAD EXAMIANS APP