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? 5 pu 2 pu 2.67 pu 6 pu 5 pu 2 pu 2.67 pu 6 pu ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following is/are the advantages of synchronous phase modifier over the shunt compensation? smooth voltage regulation is possible by controlling excitation single unit can be used as both capacitance and inductor by adjusting the excitation initial cost is low both 1 and 2 smooth voltage regulation is possible by controlling excitation single unit can be used as both capacitance and inductor by adjusting the excitation initial cost is low both 1 and 2 ANSWER DOWNLOAD EXAMIANS APP
Power Systems A power generating station has a maximum demand of 1000 MW. The annual load factor is 75% and plant capacity factor is 60%. Calculate the reserve capacity? 250 MW 500 MW 1250 MW 750 MW 250 MW 500 MW 1250 MW 750 MW ANSWER DOWNLOAD EXAMIANS APP
Power Systems Length of short transmission line is up to 40 km 150 km any of the above 80 km 40 km 150 km any of the above 80 km ANSWER DOWNLOAD EXAMIANS APP
Power Systems The radiation shield for a nuclear power reactor for biological safety is provided by having the reactor encased thick metal wall. encased by thick concrete wall. isolated from outside word with strong magnetic field. immersed in water pool. encased thick metal wall. encased by thick concrete wall. isolated from outside word with strong magnetic field. immersed in water pool. ANSWER DOWNLOAD EXAMIANS APP
Power Systems A thermal power plant is being supplied with coal having much more ash content than that for which it was designed. Which of its following units needs major modifications Cooling tower. Condenser. Pulversing unit. Ash handling unit. Cooling tower. Condenser. Pulversing unit. Ash handling unit. ANSWER DOWNLOAD EXAMIANS APP
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