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 0.8 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 0.6 lag and 0.6 lead 0.8 lag and 0.8 lead 0.8 lag and 0.6 lead ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following is/are advantages of N-R method? Applicable for large power system network Number of iterations are less both 1 and 2 Time taken for each iteration is less Applicable for large power system network Number of iterations are less both 1 and 2 Time taken for each iteration is less ANSWER DOWNLOAD EXAMIANS APP
Power Systems To prevent maloperation of deferentially connected relay while energizing a transformer, the relay restraining coil is biased with 3rd harmonic current. 5th harmonic current. 7th harmonic current. 2nd harmonic current. 3rd harmonic current. 5th harmonic current. 7th harmonic current. 2nd harmonic current. ANSWER DOWNLOAD EXAMIANS APP
Power Systems In thermal plant most of the energy is wasted in condenser turbines ESP boiler condenser turbines ESP boiler ANSWER DOWNLOAD EXAMIANS APP
Power Systems Maximum efficiency of modern coal fired steam raising thermal power plants is restricted to about 035 (a low value), mainly because of high energy loss in boiler. low alternative efficiency. high energy loss from turbine exhaust to condenser. low steam turbine mechanical efficiency. high energy loss in boiler. low alternative efficiency. high energy loss from turbine exhaust to condenser. low steam turbine mechanical efficiency. ANSWER DOWNLOAD EXAMIANS APP
Power Systems A generating station has a maximum demand of 50 MW a load factor of 60 %, a plant capacity factor of 45 % and if the plant while running as per schedule were fully loaded. The daily energy produced will be 710 MW. 720 MW. 740 MW. 730 MW. 710 MW. 720 MW. 740 MW. 730 MW. ANSWER DOWNLOAD EXAMIANS APP
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