Power Systems A transmission line has impedance of (0.005 + j0.05) pu. Find the line at which maximum value of negative DC off set current is produced, if it is applied with Vm cosωt? 1.47 msec 4.68 msec 9.68 2.63 msec 1.47 msec 4.68 msec 9.68 2.63 msec ANSWER DOWNLOAD EXAMIANS APP
Power Systems Mho relay is used for the protection of no length criterion. long transmission lines. short length lines. medium length lines. no length criterion. long transmission lines. short length lines. medium length lines. ANSWER DOWNLOAD EXAMIANS APP
Power Systems A transmission line has (2 + j4)Ω impedance, 100 MVA and base voltage is 10 KV. Find the per unit impedance value of transmission line? (4 + j8 ) pu (2 + j4 ) pu (1 + j2 ) pu (0.5 + j1 ) pu (4 + j8 ) pu (2 + j4 ) pu (1 + j2 ) pu (0.5 + j1 ) pu ANSWER DOWNLOAD EXAMIANS APP
Power Systems Taking the density of water to be 1000 kg/m³, how much power would be developed by a hydro electric generator unit, assume 100% efficiency, with 1 m head and 1 m³/s discharge? 9.81 kW 19.60 kW 4.45 kW 2.90 kW 9.81 kW 19.60 kW 4.45 kW 2.90 kW ANSWER DOWNLOAD EXAMIANS APP
Power Systems Find the relation between sub transient (X"), transient (X') and synchronous reactance (X) ? X" > X' >X X" < X' > X X" < X' < X X" > X' < X X" > X' >X X" < X' > X X" < X' < X X" > X' < X ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following methods is/are used for reactive or voltage compensation All of these generation excitation control shunt capacitor series capacitor All of these generation excitation control shunt capacitor series capacitor ANSWER DOWNLOAD EXAMIANS APP
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