Power Systems At slack bus, which one of the following combinations of variables is not specified? Q and V V and δ P and V P and Q Q and V V and δ P and V P and Q 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 reflected voltage? -18.18 kV -81.82 kV 81.82 kV 18.18 kV -18.18 kV -81.82 kV 81.82 kV 18.18 kV ANSWER DOWNLOAD EXAMIANS APP
Power Systems Ferranti effect can be compensated by which of the following series capacitor shunt reactor both 1 and 2 shunt capacitor series capacitor shunt reactor both 1 and 2 shunt capacitor ANSWER DOWNLOAD EXAMIANS APP
Power Systems When is the ferranti effect on long overhead lines experienced? The line is heavily loaded The line is lightly loaded The line is fully loaded The power factor is unity The line is heavily loaded The line is lightly loaded The line is fully loaded The power factor is unity ANSWER DOWNLOAD EXAMIANS APP
Power Systems Zero voltage regulation is possible only for leading power factor All of these lagging power factor unity power factor leading power factor All of these lagging power factor unity power factor ANSWER DOWNLOAD EXAMIANS APP
Power Systems The equation of area control error(ACE) is ACE = ΔPtie - b.Δf ACE = ΔPtie + b.Δf ACE = ΔPtie - 1/b.Δf ACE = ΔPtie +1/ b.Δf ACE = ΔPtie - b.Δf ACE = ΔPtie + b.Δf ACE = ΔPtie - 1/b.Δf ACE = ΔPtie +1/ b.Δf ANSWER DOWNLOAD EXAMIANS APP
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