Power Systems Surge impedance loading (SIL) is represented by both 1 and 2 Vl²*√(C/L) Vph²/Zs Vl²/Zs both 1 and 2 Vl²*√(C/L) Vph²/Zs Vl²/Zs ANSWER DOWNLOAD EXAMIANS APP
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 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 ANSWER DOWNLOAD EXAMIANS APP
Power Systems When series reactor is used in generating stations, the fault current magnitude is reduced increased remains unaffected any of the above reduced increased remains unaffected any of the above ANSWER DOWNLOAD EXAMIANS APP
Power Systems What type of back up protection is used for alternators? Impedance relay. Mho relay. Buchholz relay. IDMT relay. Impedance relay. Mho relay. Buchholz relay. IDMT relay. ANSWER DOWNLOAD EXAMIANS APP
Power Systems The insulation of the modern EHV lines is designed based on the switch voltage. the lighting voltage. corona. R × I. the switch voltage. the lighting voltage. corona. R × I. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Inductance of transmission line will decrease when both GMD and GMR increase both GMD and GMR decrease GMD decrease and GMR increase GMD increase and GMR decrease both GMD and GMR increase both GMD and GMR decrease GMD decrease and GMR increase GMD increase and GMR decrease ANSWER DOWNLOAD EXAMIANS APP