Power Systems If the load is short circuited, then reflection coefficient of voltage is 0 -2 -1 1 0 -2 -1 1 ANSWER DOWNLOAD EXAMIANS APP
Power Systems Per unit of any quantity is defined as base value of quantity /actual value of quantity in different units actual value of quantity /base value of quantity in same units actual value of quantity /base value of quantity in different units base value of quantity /actual value of quantity in same units base value of quantity /actual value of quantity in different units actual value of quantity /base value of quantity in same units actual value of quantity /base value of quantity in different units base value of quantity /actual value of quantity in same units ANSWER DOWNLOAD EXAMIANS APP
Power Systems To reduce the radio interference which line is/are transposed? Power line Both power and telecommunication lines either 1 or 2 None of these Power line Both power and telecommunication lines either 1 or 2 None of these ANSWER DOWNLOAD EXAMIANS APP
Power Systems A power station supplies the peak load of 50 MW, 40 MW and 70 MW to three localities. The annual load factor is 0.50 p.u. and the diversity factor of the load at the station is 1.55 the maximum demand on the station and average load respectively will be 52 MW. 53 MW. 51.61 MW. 57.5 MW. 52 MW. 53 MW. 51.61 MW. 57.5 MW. ANSWER DOWNLOAD EXAMIANS APP
Power Systems A generator has reactances of sub transient (X")= 0.5 pu, transient (X') = 0.8 pu and synchronous reactance (X) = 5 pu. The voltages at these reactances are 1.2 V, 1.1 V and 1 V respectively. Find the corresponding sub transient fault current in pu? 1.375 pu 3.975 pu 2.4 pu 0.2 pu 1.375 pu 3.975 pu 2.4 pu 0.2 pu ANSWER DOWNLOAD EXAMIANS APP
Power Systems A power station plant load factor is defined as the ratio of minimum load to average load minimum load to peak load average load to the peak load the energy generated to that of maximum energy that could have been generated minimum load to average load minimum load to peak load average load to the peak load the energy generated to that of maximum energy that could have been generated ANSWER DOWNLOAD EXAMIANS APP
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