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? Zs*√(1 + Kcsh) √(1 + Kcsh)/Zs All of these Zs/√(1 + Kcsh) Zs*√(1 + Kcsh) √(1 + Kcsh)/Zs All of these Zs/√(1 + Kcsh) ANSWER DOWNLOAD EXAMIANS APP
Power Systems Pelton wheel turbine is a none of above. high head turbine. medium head turbine. low head turbine. none of above. high head turbine. medium head turbine. low head turbine. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of following power plants normally operage at high speeds Diesel engine. Hydro electric. Petrol engine. Thermal. Diesel engine. Hydro electric. Petrol engine. Thermal. ANSWER DOWNLOAD EXAMIANS APP
Power Systems If the inertia constant H = 10 MJ/MVA for a 50 MVA generator, the stored energy is 50 MJ 5 MJ 10 MJ 500 MJ 50 MJ 5 MJ 10 MJ 500 MJ ANSWER DOWNLOAD EXAMIANS APP
Power Systems In which of the following frequency control method tie line may be overloaded? flat frequency control flat tie line control parallel frequency All of these flat frequency control flat tie line control parallel frequency All of these ANSWER DOWNLOAD EXAMIANS APP
Power Systems To prevent maloperation of deferentially connected relay while energizing a transformer, the relay restraining coil is biased with 5th harmonic current. 3rd harmonic current. 2nd harmonic current. 7th harmonic current. 5th harmonic current. 3rd harmonic current. 2nd harmonic current. 7th harmonic current. ANSWER DOWNLOAD EXAMIANS APP
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