Power Systems Which of the following power stations is mainly used to cover peak load on the system? nuclear plant coal based thermal power plant pumped storage hydro power plant gas based thermal power plant nuclear plant coal based thermal power plant pumped storage hydro power plant gas based thermal power plant ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following method is/are more reliable? Fast Decoupled Load Flow (FDLF) method Gauss-Siedel (GS) method All of these Newton Raphson (NR) method Fast Decoupled Load Flow (FDLF) method Gauss-Siedel (GS) method All of these Newton Raphson (NR) method ANSWER DOWNLOAD EXAMIANS APP
Power Systems The advantage of hydro electric power station over thermal power station is the initial cost of hydro electric power station is low hydro electric station can be constructed at the place where the energy is required the operation cost of hydro electric power station is low hydro electric power station can supply the power throughout the year the initial cost of hydro electric power station is low hydro electric station can be constructed at the place where the energy is required the operation cost of hydro electric power station is low hydro electric power station can supply the power throughout the year ANSWER DOWNLOAD EXAMIANS APP
Power Systems If the time of operation of a relay for unity TMS is 10 sec. the time of operation of 0.5 TMS will be _______________ secs. 5. 20. 3. 7. 5. 20. 3. 7. ANSWER DOWNLOAD EXAMIANS APP
Power Systems The Gauss Seidel load flow method has following disadvantages. Which of the following statement is wrong? Slow convergence Choice of slack bus affects the convergence Unreliable convergence A good initial guess for voltages is essential for convergence Slow convergence Choice of slack bus affects the convergence Unreliable convergence A good initial guess for voltages is essential for convergence ANSWER DOWNLOAD EXAMIANS APP
Power Systems Power system network has a total power of 5000 MW at 50 Hz supplying to the different consumers. Frequency is varying at 1.5% per change of 2% load. Assume R =0.004 Hz/MW. Find the steady state frequency deviation if a sudden loss of 200 MW occur due to tripping of one of the transmission line? 0.52 Hz 50 Hz 0.48 Hz -0.52 Hz 0.52 Hz 50 Hz 0.48 Hz -0.52 Hz ANSWER DOWNLOAD EXAMIANS APP
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