Power Systems The Gauss Seidel load flow method has following disadvantages. Which of the following statement is wrong? 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 Choice of slack bus affects the convergence Slow convergence ANSWER DOWNLOAD EXAMIANS APP
Power Systems The function of draft tube is reaction turbine is to convert kinetic energy of water. increase flow rate of water. reduce water hammer. all of above. convert kinetic energy of water. increase flow rate of water. reduce water hammer. all of above. ANSWER DOWNLOAD EXAMIANS APP
Power Systems The main objectives of power system is/are Flexible power has to be available. Reliable power has to be available All of these Cost of electrical energy per KWh is to be minimum Flexible power has to be available. Reliable power has to be available All of these Cost of electrical energy per KWh is to be minimum ANSWER DOWNLOAD EXAMIANS APP
Power Systems A transmission line has a surge impedance of 400 Ω is connected with the cable having surge impedance of 40 Ω, a surge magnitude of 100 kV is travelling from the transmission line towards the cable. Find the reflected voltage? -18.18 kV 18.18 kV -81.82 kV 81.82 kV -18.18 kV 18.18 kV -81.82 kV 81.82 kV ANSWER DOWNLOAD EXAMIANS APP
Power Systems Proximity effect is more in case of power cables None of these same in both cases over head lines power cables None of these same in both cases over head lines 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 1250 MW 750 MW 250 MW 500 MW 1250 MW 750 MW 250 MW ANSWER DOWNLOAD EXAMIANS APP