Power Systems A network containing 100 buses in which 10 are the voltage control buses, 5 are fixed shunt capacitor buses, 20 are the reactive power support buses, 6 are the generator buses. Find the size of the Jacobian matrix? 162 × 162 164 × 164 163 × 163 165 × 165 162 × 162 164 × 164 163 × 163 165 × 165 ANSWER DOWNLOAD EXAMIANS APP
Power Systems A transmission line has an impedance of (2+j6) Ω has voltage regulation of 10% at a load power factor of 0.8 lag. Find the voltage regulation for a load of 0.6 lead -10% 6.92% 10% -6.92% -10% 6.92% 10% -6.92% ANSWER DOWNLOAD EXAMIANS APP
Power Systems In Rankine cycle, the work output from a turbine is given by change of entropy between inlet and outlet. change of enthalpy between inlet and outlet. change in internal energy between inlet and outlet. change in temperature between inlet and outlet. change of entropy between inlet and outlet. change of enthalpy between inlet and outlet. change in internal energy between inlet and outlet. change in temperature between inlet and outlet. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of following is a medium and low head turbines Francis and Kaplan turbines. Kaplan and Francis turbines. None of above. Pelton and Kaplan turbines. Francis and Kaplan turbines. Kaplan and Francis turbines. None of above. Pelton and Kaplan turbines. ANSWER DOWNLOAD EXAMIANS APP
Power Systems As the frequency of the system is increased, the charging MVAR decreases increases None of these remains unaffected decreases increases None of these remains unaffected ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following will take least time in starting from cold condition to full load operation Hydro electric power plant. Nuclear power plant. Gas turbine plant. Thermal power plant. Hydro electric power plant. Nuclear power plant. Gas turbine plant. Thermal power plant. ANSWER DOWNLOAD EXAMIANS APP