Power Systems Four identical alternators each are rated for 20 MVA, 11 KV having a subtransient reactance of 16% are working in parallel. The short circuit level at the busbar is 125 MVA 100 MVA 500 MVA 400 MVA 125 MVA 100 MVA 500 MVA 400 MVA ANSWER DOWNLOAD EXAMIANS APP
Power Systems Peak load power plants is/are both 1 and 2 nuclear plants pumped storage plant diesel plant both 1 and 2 nuclear plants pumped storage plant diesel plant ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following materials is/are used as moderators? heavy water All of these beryllium graphite heavy water All of these beryllium graphite ANSWER DOWNLOAD EXAMIANS APP
Power Systems The Gauss Seidel load flow method has following disadvantages. Which of the following statement is wrong? Choice of slack bus affects the convergence Slow convergence A good initial guess for voltages is essential for convergence Unreliable convergence Choice of slack bus affects the convergence Slow convergence A good initial guess for voltages is essential for convergence Unreliable convergence ANSWER DOWNLOAD EXAMIANS APP
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 1000 MW 1250 MW 750 MW 1500 MW 1000 MW 1250 MW 750 MW ANSWER DOWNLOAD EXAMIANS APP
Power Systems Offset mho relay is used for the protection of equipment when either 1 or 2 failure of prime mover of the generator None of these loss of excitation of the generator either 1 or 2 failure of prime mover of the generator None of these loss of excitation of the generator ANSWER DOWNLOAD EXAMIANS APP
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