Power Systems Switchgear equipment include fuses. switches. relays and CB. all of these. fuses. switches. relays and CB. all of these. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Length of short transmission line is up to 80 km 150 km 40 km any of the above 80 km 150 km 40 km any of the above ANSWER DOWNLOAD EXAMIANS APP
Power Systems What type of back up protection is used for alternators? Impedance relay. Buchholz relay. IDMT relay. Mho relay. Impedance relay. Buchholz relay. IDMT relay. Mho relay. 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 ? 29° 10.5° 14.5° 35.5° 29° 10.5° 14.5° 35.5° ANSWER DOWNLOAD EXAMIANS APP
Power Systems A 25 MVA, 11 kV alternator is supplying full load at a point of 0.75 lagging. Determine the percentage increase in earning capacity when it is operated at improved power factor of 0.96 lagging. 28 %. 56 %. None of above 14 %. 28 %. 56 %. None of above 14 %. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Find the relation between sub transient (X"), transient (X') and synchronous reactance (X) ? X" > X' >X X" < X' > X X" > X' < X X" < X' < X X" > X' >X X" < X' > X X" > X' < X X" < X' < X ANSWER DOWNLOAD EXAMIANS APP