Power Systems Fault calculations using computer are usually done by either 1 or 2 None of these Y bus method Z bus method either 1 or 2 None of these Y bus method Z bus method ANSWER DOWNLOAD EXAMIANS APP
Power Systems The Y bus matrix of a 100 bus interconnected system is 90% sparse. Then find the number of non zero elements in the Y bus matrix? 1000 90 9000 10 1000 90 9000 10 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 incident current? 200 A 2500 A 100 A 250 A 200 A 2500 A 100 A 250 A ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following method is/are more reliable? Newton Raphson (NR) method Fast Decoupled Load Flow (FDLF) method All of these Gauss-Siedel (GS) method Newton Raphson (NR) method Fast Decoupled Load Flow (FDLF) method All of these Gauss-Siedel (GS) method ANSWER DOWNLOAD EXAMIANS APP
Power Systems At slack bus, which one of the following combinations of variables is not specified? P and Q P and V Q and V V and δ P and Q P and V Q and V V and δ 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? 290 kHz 29 kHz 2.9 kHz 29 MHz 290 kHz 29 kHz 2.9 kHz 29 MHz ANSWER DOWNLOAD EXAMIANS APP
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