Power Systems Zero sequence currents can flow from a line into a transformer bank if the windings are in delta / star. star / grounded star. delta / delta. ground star / delta. delta / star. star / grounded star. delta / delta. ground star / delta. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following method is/are more reliable? All of these Fast Decoupled Load Flow (FDLF) method Gauss-Siedel (GS) method Newton Raphson (NR) method All of these Fast Decoupled Load Flow (FDLF) method Gauss-Siedel (GS) method Newton Raphson (NR) method ANSWER DOWNLOAD EXAMIANS APP
Power Systems A transmission line has a surge impedance of 400 Ω for a length of the line of 200 km. If the length of line is increased to 400 km, then its surge impedance is 200 Ω 800 Ω 0 Ω 400 Ω 200 Ω 800 Ω 0 Ω 400 Ω ANSWER DOWNLOAD EXAMIANS APP
Power Systems For a 500 Hz frequency excitation, a 100 km long power line will be modelled as shunt capacitor long transmission line any of the above medium transmission line shunt capacitor long transmission line any of the above medium transmission line ANSWER DOWNLOAD EXAMIANS APP
Power Systems Corona loss is ----------------- on hilly areas than as plain areas. None of these remain same less more None of these remain same less more ANSWER DOWNLOAD EXAMIANS APP
Power Systems The equation of area control error(ACE) is ACE = ΔPtie - 1/b.Δf ACE = ΔPtie - b.Δf ACE = ΔPtie +1/ b.Δf ACE = ΔPtie + b.Δf ACE = ΔPtie - 1/b.Δf ACE = ΔPtie - b.Δf ACE = ΔPtie +1/ b.Δf ACE = ΔPtie + b.Δf ANSWER DOWNLOAD EXAMIANS APP