Power Systems The charging reactance of 50 km transmission line is 1500 Ω. What is the charging reactance for 100 km length of line? 750 Ω 1000 Ω 3000 Ω 1500 Ω 750 Ω 1000 Ω 3000 Ω 1500 Ω ANSWER DOWNLOAD EXAMIANS APP
Power Systems A power station has a maximum demand of 15 MW. The plant capacity is 20 MW. Find the reserve capacity of the plant? 10 MW 5 MW 20 MW 15 MW 10 MW 5 MW 20 MW 15 MW ANSWER DOWNLOAD EXAMIANS APP
Power Systems Advantages of shunt compensation is/are All of these smooth voltage regulation is possible by controlling excitation single unit can be used as both capacitance and inductor by adjusting the excitation It requires less maintanance All of these smooth voltage regulation is possible by controlling excitation single unit can be used as both capacitance and inductor by adjusting the excitation It requires less maintanance ANSWER DOWNLOAD EXAMIANS APP
Power Systems An alternator having an induced emf of 1.6 pu is connected to an infinite bus of 1 pu. If the bus bar has reactance of 0.6 pu and alternator has reactance of 0.2 pu, what is the maximum power that can be transferred? 6 pu 2.67 pu 5 pu 2 pu 6 pu 2.67 pu 5 pu 2 pu ANSWER DOWNLOAD EXAMIANS APP
Power Systems Gas turbine power plants for maximum efficient may have All of above. Multistage compression. Reheating. Heat exchangers. All of above. Multistage compression. Reheating. Heat exchangers. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Mechanical energy is supplied to a DC generator at the rate of 4200 J / S. The generator delivers 32.2 Amp at 120 V. How much energy is cost per minute of operation 23060 J. 20160 J. 20060 J. 25060 J. 23060 J. 20160 J. 20060 J. 25060 J. ANSWER DOWNLOAD EXAMIANS APP