Power Systems Buchholz relay is used for protection of alternator. transformer. bus bar. none of these. alternator. transformer. bus bar. none of these. ANSWER DOWNLOAD EXAMIANS APP
Power Systems The time taken by the turbine to fall to 0 rpm speed from 3000 rpm is called coasting time. stopping time. settling time. damping time. coasting time. stopping time. settling time. damping time. ANSWER DOWNLOAD EXAMIANS APP
Power Systems A transmission line has a reactance of 1 Pu is operating at Vs = Vr = 1 Pu. The generator is connected at source end which is delivering 0.5 Pu of active power and the transmission line is compensated with a series capacitance of 0.5 Pu. Find the load angle with series capacitance compensation ? 14.5° 35.5° 10.5° 29° 14.5° 35.5° 10.5° 29° ANSWER DOWNLOAD EXAMIANS APP
Power Systems The insulation of modern EHV is designed based on switching voltage. lightning voltage. corona. RI. switching voltage. lightning voltage. corona. RI. ANSWER DOWNLOAD EXAMIANS APP
Power Systems The skin effect shows that the distribution of AC current is uniform through the cross section of the conductor current density is lower at the surface of the condutor current density is more at the surface of the condutor current density is more at the centre of the condutor the distribution of AC current is uniform through the cross section of the conductor current density is lower at the surface of the condutor current density is more at the surface of the condutor current density is more at the centre of the condutor ANSWER DOWNLOAD EXAMIANS APP
Power Systems In order to have lower cost of power generaion The load factor and diversity factor should be high the load factor and diversity factor should be low the load factor should be high but diversity factor should be low the load factor should be low but diversity factor should be high The load factor and diversity factor should be high the load factor and diversity factor should be low the load factor should be high but diversity factor should be low the load factor should be low but diversity factor should be high ANSWER DOWNLOAD EXAMIANS APP