Power Systems A generating station has a maximum demand of 100 MW, a load factor of 60% and a plant capacity factor of 50%. The reserve capacity of the plant is 80 MW 15 MW 20 MW 10 MW 80 MW 15 MW 20 MW 10 MW 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? 28.28 kV 29.28 kV 30.28 kV 31.28 kV 28.28 kV 29.28 kV 30.28 kV 31.28 kV 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 = 142.5 MW and PG2 = 107.5 MW PG1 = 100 MW and PG2 = 150 MW PG1 = 125 MW and PG2 = 125 MW PG1 = 109.75 MW and PG2 = 140.25 MW PG1 = 142.5 MW and PG2 = 107.5 MW PG1 = 100 MW and PG2 = 150 MW ANSWER DOWNLOAD EXAMIANS APP
Power Systems Binary vapor cycle are used for improving the plant efficiency. All of these improving the condenser performance. increasing the turbine efficiency. improving the plant efficiency. All of these improving the condenser performance. increasing the turbine efficiency. ANSWER DOWNLOAD EXAMIANS APP
Power Systems In triangular configuration, inductance and capacitance values are ------ and ------ respectively less, less higher, higher less, higher higher, less less, less higher, higher less, higher higher, less ANSWER DOWNLOAD EXAMIANS APP
Power Systems If power P available from a hydroelectric plant is given by the formula P = 9.81QH, where Q is the flow rate through the turbine in l / s and H is the head in meters, then P will be unit of kWh. W. kJ / S. HP. kWh. W. kJ / S. HP. ANSWER DOWNLOAD EXAMIANS APP
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