Power Systems If, for a given alternator in economic operation mode, the incremental cost is given by (0.012 P + 8) Rs/MWh, dPL/dP = 0.2 and plant λ = 25, then power generation is 1500 MW 1250 MW 750 MW 1000 MW 1500 MW 1250 MW 750 MW 1000 MW ANSWER DOWNLOAD EXAMIANS APP
Power Systems A three phase, 33 kV oil circuit breaker is rated 1200 A, the symmetrical breaking capacity is 2000 MVA, 3 secs. Then the making capacity is 5200 MVA. 5000 MVA. 5500 MVA. 5100 MVA. 5200 MVA. 5000 MVA. 5500 MVA. 5100 MVA. ANSWER DOWNLOAD EXAMIANS APP
Power Systems A generator has a rating of 10 MVA, 5 kV has a reactance of 0.02 pu. Find the reactance at a new base values of 50 MVA, 10 kV? 0.02 0.05 0.025 0.25 0.02 0.05 0.025 0.25 ANSWER DOWNLOAD EXAMIANS APP
Power Systems A string type insulator has three units with self capacitance C and ground capacitance of 0.2 C having a string efficiency of 76% 82% 78% 80% 76% 82% 78% 80% ANSWER DOWNLOAD EXAMIANS APP
Power Systems In which of the following configuration power transferability is higher? triangular configuration None of these horizontal configuration same in both configuration triangular configuration None of these horizontal configuration same in both configuration ANSWER DOWNLOAD EXAMIANS APP
Power Systems A three phase, 33 kV oil circuit breaker is rated 1200 A, 2000 MVA, 3 secs. The symmetrical breaking current is 45 kA. 55 kA. 35 kA. 50 kA. 45 kA. 55 kA. 35 kA. 50 kA. ANSWER DOWNLOAD EXAMIANS APP
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