Power Systems The positive, negative and zero sequence impedances of a transmission line are 0.5,0.5 and 1.1 pu respectively. The self (Zs) and mutual (Zm) impedances of the line will be given by Zs = 0.6 pu, Zm =0.5 pu Zs = 0.7 pu, Zm =0.2 pu Zs = 0.2 pu, Zm =0.7 pu Zs = 0.5 pu, Zm =0.6 pu Zs = 0.6 pu, Zm =0.5 pu Zs = 0.7 pu, Zm =0.2 pu Zs = 0.2 pu, Zm =0.7 pu Zs = 0.5 pu, Zm =0.6 pu ANSWER DOWNLOAD EXAMIANS APP
Power Systems The main objectives of electrical power transmission is/are both 1 and 2 Voltage regulation of the transmission line must be zero or minimum Transmission system must be more efficient with minimum line losses nether 1 nor 2 both 1 and 2 Voltage regulation of the transmission line must be zero or minimum Transmission system must be more efficient with minimum line losses nether 1 nor 2 ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following is/are the desirable properties of a insulator material? High relative permittivity High ratio of puncture strength to flash over. Both 1 and 2 Low ratio of puncture strength to flash over. High relative permittivity High ratio of puncture strength to flash over. Both 1 and 2 Low ratio of puncture strength to flash over. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following is a reaction turbines None of these. Francis turbine and Kaplan turbine. Kaplan and Pelton turbine. Pelton turbine and Francis turbine. None of these. Francis turbine and Kaplan turbine. Kaplan and Pelton turbine. Pelton turbine and Francis turbine. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following transmission line is most practically used in load flow analysis? Nominal T either 1 or 2 nether 1 nor 2 Nominal ∏ Nominal T either 1 or 2 nether 1 nor 2 Nominal ∏ ANSWER DOWNLOAD EXAMIANS APP
Power Systems In an interconnected power system, the most suitable power plant to meet the peak load condition is thermal plant pumped storage plant hydro power plant nuclear plant thermal plant pumped storage plant hydro power plant nuclear plant ANSWER DOWNLOAD EXAMIANS APP
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