Power Systems A transmission line is compensated with shunt capacitance Csh. If the uncompensated transmission line surge impedance is Zs, then find the new surge impedance Zn after shunt compensation? All of these √(1 + Kcsh)/Zs Zs*√(1 + Kcsh) Zs/√(1 + Kcsh) All of these √(1 + Kcsh)/Zs Zs*√(1 + Kcsh) Zs/√(1 + Kcsh) ANSWER DOWNLOAD EXAMIANS APP
Power Systems The essential requirement(s) for power plants to be operated as peak load plants are All of these Quick response to load variation. Low capital cost. Capability of quick starts. All of these Quick response to load variation. Low capital cost. Capability of quick starts. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following faults is/are treated as external faults? Failure of prime mover of the generator Over voltage All of these Failure of excitation Failure of prime mover of the generator Over voltage All of these Failure of excitation ANSWER DOWNLOAD EXAMIANS APP
Power Systems For loss less line, find the ratio of length to the wave length of a signal for a phase shift of 0.05 radians? 7.95 × 10-3 7.95 × 10³ 8 × 10³ 2 × 10-3 7.95 × 10-3 7.95 × 10³ 8 × 10³ 2 × 10-3 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
Power Systems Oxide film arrestor has which of the following properties? Installed at points of transmission line where daily visit is difficult. Does not require daily charging. It is expensive. Both A and B. Installed at points of transmission line where daily visit is difficult. Does not require daily charging. It is expensive. Both A and B. ANSWER DOWNLOAD EXAMIANS APP
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