Power Systems One atomic mass unit is equivalent to 120.4 MeV. 931.4 MeV. 180.5 MeV. 251.2 MeV. 120.4 MeV. 931.4 MeV. 180.5 MeV. 251.2 MeV. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Advantages of shunt compensation is/are smooth voltage regulation is possible by controlling excitation All of these single unit can be used as both capacitance and inductor by adjusting the excitation It requires less maintanance smooth voltage regulation is possible by controlling excitation All of these single unit can be used as both capacitance and inductor by adjusting the excitation It requires less maintanance ANSWER DOWNLOAD EXAMIANS APP
Power Systems A 3-phase transmission line operating at Vs = 400 kV and has ABCD parameters A= D = 0.8∠0°, B = 100∠90° Ω, C = 0.5*10^-6∠90° ℧. Find the shunt reactor required for compensating ferranti effect? 1500 Ω 2000 Ω 500 Ω 3000 Ω 1500 Ω 2000 Ω 500 Ω 3000 Ω ANSWER DOWNLOAD EXAMIANS APP
Power Systems The ABCD constants of a 3-phase transmission line are A = D = 0.8∠1°, B = 170∠85° Ω , C = 0.002∠90.4° ℧. The sending end voltage is 400 kV. The receiving end voltage under no load condition is 400 kV 600 kV 350 kV 500 kV 400 kV 600 kV 350 kV 500 kV ANSWER DOWNLOAD EXAMIANS APP
Power Systems Surge impedance loading (SIL) is represented by Vph²/Zs Vl²/Zs both 1 and 2 Vl²*√(C/L) Vph²/Zs Vl²/Zs both 1 and 2 Vl²*√(C/L) ANSWER DOWNLOAD EXAMIANS APP
Power Systems In a 3-phase, 5 kV, 5 MVA system, what is the base impedance? 500 ohms 0.5 ohm 50 ohms 5 ohms 500 ohms 0.5 ohm 50 ohms 5 ohms ANSWER DOWNLOAD EXAMIANS APP
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