Power Systems Objectives of power system is/are Cost of electrical energy per KWh is to be minimum nether 1 nor 2 both 1 and 2 Rated voltage and frequency has to be supplied to the consumers Cost of electrical energy per KWh is to be minimum nether 1 nor 2 both 1 and 2 Rated voltage and frequency has to be supplied to the consumers ANSWER DOWNLOAD EXAMIANS APP
Power Systems If sparsity of a 5 bus transmission line is 0.4. Find the number of transmission lines? 6 4 5 3 6 4 5 3 ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following power stations is mainly used to cover peak load on the system? nuclear plant coal based thermal power plant gas based thermal power plant pumped storage hydro power plant nuclear plant coal based thermal power plant gas based thermal power plant pumped storage hydro power plant ANSWER DOWNLOAD EXAMIANS APP
Power Systems If a generator of 250 MVA rating has an inertia constant of 6 MJ/MVA, its inertia constant on 100 MVA base is 15 MJ/MVA 6 MJ/MVA 10.5 MJ/MVA 2.5 MJ/MVA 15 MJ/MVA 6 MJ/MVA 10.5 MJ/MVA 2.5 MJ/MVA ANSWER DOWNLOAD EXAMIANS APP
Power Systems A cable has inductance of 0.22 mH per km and capacitance of 0.202 µF per km. The surge impedance of the cable is 28 Ω 40 Ω 52 Ω 33 Ω 28 Ω 40 Ω 52 Ω 33 Ω ANSWER DOWNLOAD EXAMIANS APP
Power Systems For a 500 Hz frequency excitation, a 100 km long power line will be modelled as any of the above long transmission line medium transmission line shunt capacitor any of the above long transmission line medium transmission line shunt capacitor ANSWER DOWNLOAD EXAMIANS APP
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