Power Systems A three phase, 33 kV oil circuit breaker is rated 1200 A, the symmetrical breaking capacity is 2000 MVA, 3 secs. Then the making capacity is 5500 MVA. 5100 MVA. 5200 MVA. 5000 MVA. 5500 MVA. 5100 MVA. 5200 MVA. 5000 MVA. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Efficiency of thermal power plant can be taken as generator efficiency. product of efficiencies of all stages. turbine efficiency. efficiency of thermal cycle. generator efficiency. product of efficiencies of all stages. turbine efficiency. efficiency of thermal cycle. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Find the surge impedance of a line when inductance is 160 mH and capacitance is 1µF? 160 Ω 200 Ω 800 Ω 400 Ω 160 Ω 200 Ω 800 Ω 400 Ω ANSWER DOWNLOAD EXAMIANS APP
Power Systems Objectives of power system is/are Rated voltage and frequency has to be supplied to the consumers both 1 and 2 Cost of electrical energy per KWh is to be minimum nether 1 nor 2 Rated voltage and frequency has to be supplied to the consumers both 1 and 2 Cost of electrical energy per KWh is to be minimum nether 1 nor 2 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 i which is connected between bus i and bus j with positive sign sum of admittances connected at bus j which is connected between bus i and bus j with negative sign sum of admittances connected at bus i which is connected between bus i and bus j with positive sign sum of admittances connected at bus j ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following statements are true? both 1 and 2 Bus impedance matrix is a full matrix Bus admittance matrix is a sparse matrix nether 1 nor 2 both 1 and 2 Bus impedance matrix is a full matrix Bus admittance matrix is a sparse matrix nether 1 nor 2 ANSWER DOWNLOAD EXAMIANS APP
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