Power Systems Find the surge impedance of a line when inductance is 160 mH and capacitance is 1µF? 400 Ω 160 Ω 800 Ω 200 Ω 400 Ω 160 Ω 800 Ω 200 Ω ANSWER DOWNLOAD EXAMIANS APP
Power Systems Incremental cost of two generators Ic1 = 0.2 P1+60, Ic2 = 0.3 P2+40 and the ratings of the generator are 150 and 250 MW. Find the load sharing of each generator for a load of 200 MW? P1 = 100 MW, P2 = 100 MW P1 = 120 MW, P2 = 80 MW P1 = 60 MW, P2 = 140 MW P1 = 80 MW, P2 = 120 MW P1 = 100 MW, P2 = 100 MW P1 = 120 MW, P2 = 80 MW P1 = 60 MW, P2 = 140 MW P1 = 80 MW, P2 = 120 MW ANSWER DOWNLOAD EXAMIANS APP
Power Systems A pin type insulator has 100 kV puncture voltage. If 10 kV flash over voltage occurred in a transmission line, then find the safety factor of insulator? 0.1 0.001 1000 10 0.1 0.001 1000 10 ANSWER DOWNLOAD EXAMIANS APP
Power Systems Ferranti effect can be compensated by which of the following series capacitor shunt capacitor shunt reactor both 1 and 2 series capacitor shunt capacitor shunt reactor both 1 and 2 ANSWER DOWNLOAD EXAMIANS APP
Power Systems Peterson coil is used in case of transmission line for compensation of arcing grounds reduce ferranti effect increase the voltage level improve power factor compensation of arcing grounds reduce ferranti effect increase the voltage level improve power factor ANSWER DOWNLOAD EXAMIANS APP
Power Systems An alternator having an induced emf of 1.6 pu is connected to an infinite bus of 1 pu. If the bus bar has reactance of 0.6 pu and alternator has reactance of 0.2 pu, what is the maximum power that can be transferred? 2.67 pu 5 pu 6 pu 2 pu 2.67 pu 5 pu 6 pu 2 pu ANSWER DOWNLOAD EXAMIANS APP