Power Systems Steady state stability of a power system is improved by single pole switching using double circuit line instead of single circuit line All of these decreasing generator inertia single pole switching using double circuit line instead of single circuit line All of these decreasing generator inertia ANSWER DOWNLOAD EXAMIANS APP
Power Systems A generator has reactances of sub transient (X")= 0.5 pu, transient (X') = 0.8 pu and synchronous reactance (X) = 5 pu. The voltages at these reactances are 1.2 V, 1.1 V and 1 V respectively. Find the corresponding sub transient fault current in pu? 0.2 pu 2.4 pu 1.375 pu 3.975 pu 0.2 pu 2.4 pu 1.375 pu 3.975 pu ANSWER DOWNLOAD EXAMIANS APP
Power Systems To protect the power transformer ( Y-Y with neutral grounded) against fault, which type of connection do the current transformers have? Y-Δ connection Y-Y connection Δ-Y connection Δ-Δ connection Y-Δ connection Y-Y connection Δ-Y connection Δ-Δ connection ANSWER DOWNLOAD EXAMIANS APP
Power Systems The fact that current density is higher at the surface when compared to centre is known as carona All of these proximity effect skin effect carona All of these proximity effect skin effect ANSWER DOWNLOAD EXAMIANS APP
Power Systems The overall efficiency of a steam power plant equal to regenerative cycle. binary vapor cycle. product of boiler efficiency, turbine efficiency and generator efficiency. the Rankine cycle. regenerative cycle. binary vapor cycle. product of boiler efficiency, turbine efficiency and generator efficiency. the Rankine cycle. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Under over excitation synchronous phase modifier works as shunt capacitor any of the above series capacitor shunt reactor shunt capacitor any of the above series capacitor shunt reactor ANSWER DOWNLOAD EXAMIANS APP
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