Power Systems At slack bus, which one of the following combinations of variables is not specified? P and Q V and δ Q and V P and V P and Q V and δ Q and V P and V ANSWER DOWNLOAD EXAMIANS APP
Power Systems Communications lines are treated as any of the above medium transmission lines long transmission lines short transmission lines any of the above medium transmission lines long transmission lines short transmission lines ANSWER DOWNLOAD EXAMIANS APP
Power Systems Offset mho relay is used for the protection of equipment when either 1 or 2 None of these loss of excitation of the generator failure of prime mover of the generator either 1 or 2 None of these loss of excitation of the generator failure of prime mover of the generator ANSWER DOWNLOAD EXAMIANS APP
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) 2Zs/(Zs + Zl) (Zs - Zl)/(Zs + Zl) 2Zl/(Zs + Zl) (Zl - Zs)/(Zs + Zl) 2Zs/(Zs + Zl) (Zs - Zl)/(Zs + Zl) 2Zl/(Zs + Zl) (Zl - Zs)/(Zs + Zl) ANSWER DOWNLOAD EXAMIANS APP
Power Systems A transmission line has a surge impedance of 400 Ω is connected with the cable having surge impedance of 40 Ω, a surge magnitude of 100 kV is travelling from the transmission line towards the cable. Find the transmitted voltage? 30.6 Kv 100 kV 18.18 kV 36. 36 kV 30.6 Kv 100 kV 18.18 kV 36. 36 kV ANSWER DOWNLOAD EXAMIANS APP
Power Systems A generator has a rating of 10 MVA, 5 kV has a reactance of 0.02 pu. Find the reactance at a new base values of 50 MVA, 10 kV? 0.25 0.02 0.05 0.025 0.25 0.02 0.05 0.025 ANSWER DOWNLOAD EXAMIANS APP
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