Power Systems A 100 MVA alternator operating at full load at 50 Hz. H = 4 MWsec/MVA, Td = 0.5 sec. One of the transmission line is tripped. So that output of generator is reduced to 70 MW. Find the frequency deviation during this time? 0.92 -0.56 -0.92 0.56 0.92 -0.56 -0.92 0.56 ANSWER DOWNLOAD EXAMIANS APP
Power Systems A generating station which has a high investment cost and low operating cost is usually operated as a Base load station. Minimum load station. None of above. Peak load station. Base load station. Minimum load station. None of above. Peak load station. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Operating time of pumped storage plant is high low very high can't say high low very high can't say ANSWER DOWNLOAD EXAMIANS APP
Power Systems The conductor carries more current on surface as compared to core. This is called as skin effect unsymmetrical fault All of these corona effect skin effect unsymmetrical fault All of these corona effect ANSWER DOWNLOAD EXAMIANS APP
Power Systems In Francis turbine runner, the number blades is usually of the order of 16 - 24. 6 - 8. 12 - 14. 3 - 6. 16 - 24. 6 - 8. 12 - 14. 3 - 6. ANSWER DOWNLOAD EXAMIANS APP
Power Systems A power generating station has a maximum demand of 1000 MW. The annual load factor is 75% and plant capacity factor is 60%. Calculate the reserve capacity? 500 MW 250 MW 750 MW 1250 MW 500 MW 250 MW 750 MW 1250 MW ANSWER DOWNLOAD EXAMIANS APP
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