Power Systems Which of the following represents the transmission or reflection coefficient of voltage Tv? (Zl = Surge impedance of load, Zs = Surge impedance of line) (Zs - Zl)/(Zs + Zl) (Zl - Zs)/(Zs + Zl) 2Zl/(Zs + Zl) 2Zs/(Zs + Zl) (Zs - Zl)/(Zs + Zl) (Zl - Zs)/(Zs + Zl) 2Zl/(Zs + Zl) 2Zs/(Zs + Zl) ANSWER DOWNLOAD EXAMIANS APP
Power Systems A penstock is used as a condition between the turbine and discharge drain. the heat ex-changer and the turbine in nuclear power plant. none of above. the dam and the turbine in a hydro station. the turbine and discharge drain. the heat ex-changer and the turbine in nuclear power plant. none of above. the dam and the turbine in a hydro station. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Phase shift occurs due to which of the following components? capacitance both 1 and 2 conductance inductance capacitance both 1 and 2 conductance inductance ANSWER DOWNLOAD EXAMIANS APP
Power Systems At slack bus, which one of the following combinations of variables is not specified? V and δ Q and V P and V P and Q V and δ Q and V P and V P and Q ANSWER DOWNLOAD EXAMIANS APP
Power Systems The Y bus matrix of 100 bus interconnected system is 90% sparse. Hence the number of transmission lines in the system must be 900 450 500 250 900 450 500 250 ANSWER DOWNLOAD EXAMIANS APP
Power Systems For 800 MJ stored energy in the rotor at synchronous speed, what is the inertia constant H for a 50 Hz, four pole turbo generator rated 100 MVA, 11 kV? 4 MJ/MVA 2 MJ/MVA 6 MJ/MVA 8 MJ/MVA 4 MJ/MVA 2 MJ/MVA 6 MJ/MVA 8 MJ/MVA ANSWER DOWNLOAD EXAMIANS APP