Power Systems Which of the following method is/are more reliable? Newton Raphson (NR) method Gauss-Siedel (GS) method Fast Decoupled Load Flow (FDLF) method All of these Newton Raphson (NR) method Gauss-Siedel (GS) method Fast Decoupled Load Flow (FDLF) method All of these ANSWER DOWNLOAD EXAMIANS APP
Power Systems As the frequency of the system is increased, the charging MVAR increases remains unaffected None of these decreases increases remains unaffected None of these decreases ANSWER DOWNLOAD EXAMIANS APP
Power Systems At slack bus, which one of the following combinations of variables is not specified? P and V P and Q V and δ Q and V P and V P and Q V and δ Q and V ANSWER DOWNLOAD EXAMIANS APP
Power Systems a 50 Hz, 3-phase synchronous generator has inductance per phase of 15 mH. The capacitance of the generator and circuit breaker is 0.002 µF. What is its natural frequency? 29 MHz 290 kHz 29 kHz 2.9 kHz 29 MHz 290 kHz 29 kHz 2.9 kHz ANSWER DOWNLOAD EXAMIANS APP
Power Systems A diesel power station has fuel consumption of 0.28 Kg per kWh. The calorific value of fuel is being 10000 KCal / kg. Determine the overall efficiency 40 %. 30.7 %. 40.85 %. 30.26 %. 40 %. 30.7 %. 40.85 %. 30.26 %. ANSWER DOWNLOAD EXAMIANS APP
Power Systems The positive, negative and zero sequence per unit impedance of two generators connected in parallel are X1 = 0.12 pu, X2 = 0.096 pu and X0 = 0.036 pu. For LG fault at generator terminals (with 1 pu voltage) the positive sequence current will be 9.936 pu 7.936 pu 8.936 pu 10.936 pu 9.936 pu 7.936 pu 8.936 pu 10.936 pu ANSWER DOWNLOAD EXAMIANS APP