Power Systems The corona loss on a particular system at 60 Hz is 1 kW/km per phase. What is the corona loss at 50 Hz in kW/km per phase? 0.93 0.882 1.13 1 0.93 0.882 1.13 1 ANSWER DOWNLOAD EXAMIANS APP
Power Systems A string insulator has 4 units. The voltage across bottom most unit is 10 kV and its efficiency is 90%. Find the total operating phase voltage? 32 kV 36 kV 45 kV 40 kV 32 kV 36 kV 45 kV 40 kV ANSWER DOWNLOAD EXAMIANS APP
Power Systems The receiving end voltage for a long line under no load condition is more than the sending end voltage equal to the sending end voltage any of the above less than the sending end voltage more than the sending end voltage equal to the sending end voltage any of the above less than the sending end voltage ANSWER DOWNLOAD EXAMIANS APP
Power Systems Transmission lines are transposed to reduce interference with neighbouring communication lines proximity effect ferranti effect skin effect interference with neighbouring communication lines proximity effect ferranti effect skin effect 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 = 60 MW, P2 = 140 MW P1 = 120 MW, P2 = 80 MW P1 = 80 MW, P2 = 120 MW P1 = 100 MW, P2 = 100 MW P1 = 60 MW, P2 = 140 MW P1 = 120 MW, P2 = 80 MW P1 = 80 MW, P2 = 120 MW ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following effects are associated with transmission line corona effect ferranti effect skin effect All of these corona effect ferranti effect skin effect All of these ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS