Power Systems The Gauss Seidel load flow method has following disadvantages. Which of the following statement is wrong? Slow convergence Choice of slack bus affects the convergence A good initial guess for voltages is essential for convergence Unreliable convergence Slow convergence Choice of slack bus affects the convergence A good initial guess for voltages is essential for convergence Unreliable convergence ANSWER DOWNLOAD EXAMIANS APP
Power Systems The zero sequence current of a generator for line to ground fault is j3 pu. Then the current through the neutral during the fault is j9 pu j3 pu j6 pu j1 pu j9 pu j3 pu j6 pu j1 pu ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following methods is/are used for reactive or voltage compensation shunt capacitor series capacitor generation excitation control All of these shunt capacitor series capacitor generation excitation control All of these ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following represents the transmission or reflection coefficient of voltage Tv? (Zl = Surge impedance of load, Zs = Surge impedance of line) (Zs - Zl)/(Zs + Zl) 2Zl/(Zs + Zl) (Zl - Zs)/(Zs + Zl) 2Zs/(Zs + Zl) (Zs - Zl)/(Zs + Zl) 2Zl/(Zs + Zl) (Zl - Zs)/(Zs + Zl) 2Zs/(Zs + Zl) ANSWER DOWNLOAD EXAMIANS APP
Power Systems Due to proximity effect, the increase in conductor resistance is not negligible in overhead transmission lines underground cable communication lines All of these overhead transmission lines underground cable communication lines All of these 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 no load receiving end voltage? 320 kv 400 kV 500 kV 600 kV 320 kv 400 kV 500 kV 600 kV ANSWER DOWNLOAD EXAMIANS APP
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