Power Systems Asynchronous tie line is a None of these DC transmission line either 1 or 2 AC transmission line None of these DC transmission line either 1 or 2 AC transmission line ANSWER DOWNLOAD EXAMIANS APP
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 × 162 163 × 163 165 × 165 164 × 164 162 × 162 163 × 163 165 × 165 164 × 164 ANSWER DOWNLOAD EXAMIANS APP
Power Systems What is the approximate efficiency of a normal thermal power station? 30-40% 20-25% 45-55% 60-70% 30-40% 20-25% 45-55% 60-70% ANSWER DOWNLOAD EXAMIANS APP
Power Systems A 50 Hz, 17.32 kV generator is connected to a power system. The system reactance and capacitance per phase are 10 mH and 0.2 mF respectively. What is the maximum voltage across the contacts of the circuit breaker at an instant when it passes through zero? 31.28 kV 28.28 kV 30.28 kV 29.28 kV 31.28 kV 28.28 kV 30.28 kV 29.28 kV ANSWER DOWNLOAD EXAMIANS APP
Power Systems Range of accelerating factor is 1 to 10 10.8 to 11.2 1.6 to 1.8 50 to 100 1 to 10 10.8 to 11.2 1.6 to 1.8 50 to 100 ANSWER DOWNLOAD EXAMIANS APP
Power Systems The incremental fuel costs for two generating units G1 and G2 are given by Ic1 = 25 + 0.2 PG1 and Ic2 = 32 + 0.2 PG2, where PG1 and PG2 are real powers generated by the units. The economic allocation for a total load of 250 MW, neglecting transmission loss, is given by PG1 = 125 MW and PG2 = 125 MW PG1 = 109.75 MW and PG2 = 140.25 MW PG1 = 100 MW and PG2 = 150 MW PG1 = 142.5 MW and PG2 = 107.5 MW PG1 = 125 MW and PG2 = 125 MW PG1 = 109.75 MW and PG2 = 140.25 MW PG1 = 100 MW and PG2 = 150 MW PG1 = 142.5 MW and PG2 = 107.5 MW ANSWER DOWNLOAD EXAMIANS APP