Power Systems A generated station has a maximum demand of 30 MW, a load factor of 60% and a plant capacity factor of 50%. The reserve capacity of the plant is 5 MW 10 MW 6 MW 12 MW 5 MW 10 MW 6 MW 12 MW ANSWER DOWNLOAD EXAMIANS APP
Power Systems The inertia constant of 100 MVA, 50 Hz, 4 pole generator is 10 MJ/MVA. If the mechanical input to the machine is suddenly raised from 50 MW to 75 MW, the rotor acceleration will be equal to 22.5 electrical degrees/s² 12.5 electrical degrees/s² 125 electrical degrees/s² 225 electrical degrees/s² 22.5 electrical degrees/s² 12.5 electrical degrees/s² 125 electrical degrees/s² 225 electrical degrees/s² ANSWER DOWNLOAD EXAMIANS APP
Power Systems The main objectives of power system is/are Cost of electrical energy per KWh is to be minimum Reliable power has to be available All of these Flexible power has to be available. Cost of electrical energy per KWh is to be minimum Reliable power has to be available All of these Flexible power has to be available. ANSWER DOWNLOAD EXAMIANS APP
Power Systems The value of off diagonal elements is which is connected between bus i and bus j with negative sign sum of admittances connected at bus j which is connected between bus i and bus j with positive sign sum of admittances connected at bus i which is connected between bus i and bus j with negative sign sum of admittances connected at bus j which is connected between bus i and bus j with positive sign sum of admittances connected at bus i ANSWER DOWNLOAD EXAMIANS APP
Power Systems Advantages of shunt compensation is/are single unit can be used as both capacitance and inductor by adjusting the excitation All of these smooth voltage regulation is possible by controlling excitation It requires less maintanance single unit can be used as both capacitance and inductor by adjusting the excitation All of these smooth voltage regulation is possible by controlling excitation It requires less maintanance ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following methods is/are used for reactive or voltage compensation All of these shunt capacitor series capacitor generation excitation control All of these shunt capacitor series capacitor generation excitation control ANSWER DOWNLOAD EXAMIANS APP
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