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? 9000 1000 10 90 9000 1000 10 90 ANSWER DOWNLOAD EXAMIANS APP
Power Systems What is the approximate efficiency of a normal thermal power station? 45-55% 30-40% 60-70% 20-25% 45-55% 30-40% 60-70% 20-25% ANSWER DOWNLOAD EXAMIANS APP
Power Systems When is the ferranti effect on long overhead lines experienced? The line is heavily loaded The line is lightly loaded The power factor is unity The line is fully loaded The line is heavily loaded The line is lightly loaded The power factor is unity The line is fully loaded ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following statement is/are true regarding infinite line? It has infinite voltage It has infinite length both 2 and 3 It maintains the constant voltage It has infinite voltage It has infinite length both 2 and 3 It maintains the constant voltage ANSWER DOWNLOAD EXAMIANS APP
Power Systems Pump storage schemes are used to improve the load factor. the diversity factor. the power factor. the plant capacity factor as well as the load factor of the power system. the load factor. the diversity factor. the power factor. the plant capacity factor as well as the load factor of the power system. ANSWER DOWNLOAD EXAMIANS APP
Power Systems A 1-phase transmission line has an impedance (3+4j) Ω . Find the power factor of the load for achieving maximum and zero voltage regulation? 0.6 lag and 0.6 lead 0.8 lag and 0.8 lead 0.8 lag and 0.6 lead 0.6 lag and 0.8 lead 0.6 lag and 0.6 lead 0.8 lag and 0.8 lead 0.8 lag and 0.6 lead 0.6 lag and 0.8 lead ANSWER DOWNLOAD EXAMIANS APP
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