Power Systems To prevent maloperation of deferentially connected relay while energizing a transformer, the relay restraining coil is biased with 7th harmonic current. 3rd harmonic current. 2nd harmonic current. 5th harmonic current. 7th harmonic current. 3rd harmonic current. 2nd harmonic current. 5th harmonic current. ANSWER DOWNLOAD EXAMIANS APP
Power Systems A loss less transmission line has a length of 600 km, find the phase shift of voltage signal? 45° 36° 42° 90° 45° 36° 42° 90° ANSWER DOWNLOAD EXAMIANS APP
Power Systems Telecommunication lines are transposed to reduce the voltage level All of these efficiency radio interference in communication lines voltage level All of these efficiency radio interference in communication lines ANSWER DOWNLOAD EXAMIANS APP
Power Systems A power generating station has a plant capacity of 200 MW and maximum power demand is 150 MW. If average power generation is 110 MW, then find the load factor and capacity factor respectively? 0.733 and 0.55 0.55 and 0.733 0.65 and 0.55 0.733 and 0.65 0.733 and 0.55 0.55 and 0.733 0.65 and 0.55 0.733 and 0.65 ANSWER DOWNLOAD EXAMIANS APP
Power Systems The value of off diagonal elements is which is connected between bus i and bus j with negative sign sum of admittances connected at bus i which is connected between bus i and bus j with positive sign sum of admittances connected at bus j which is connected between bus i and bus j with negative sign sum of admittances connected at bus i which is connected between bus i and bus j with positive sign sum of admittances connected at bus j ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following represents the sag(S) of a transmission line? S = wl²/16T S = wl²/8T S = wl²/4T S = wl²/2T S = wl²/16T S = wl²/8T S = wl²/4T S = wl²/2T ANSWER DOWNLOAD EXAMIANS APP