Power Systems As the frequency of the system is increased, the charging MVAR increases None of these decreases remains unaffected increases None of these decreases remains unaffected ANSWER DOWNLOAD EXAMIANS APP
Power Systems A 3 layer, total diameter of an ACSR conductor is 5 cm. Find the diameter of each strand? 1 cm 5 cm 15 cm 1.5 cm 1 cm 5 cm 15 cm 1.5 cm ANSWER DOWNLOAD EXAMIANS APP
Power Systems A 1-phase transmission line has an impedance (3+4j) Ω . Find the power factor of the load for achieving maximum and zero voltage regulation? 0.6 lag and 0.8 lead 0.8 lag and 0.6 lead 0.8 lag and 0.8 lead 0.6 lag and 0.6 lead 0.6 lag and 0.8 lead 0.8 lag and 0.6 lead 0.8 lag and 0.8 lead 0.6 lag and 0.6 lead ANSWER DOWNLOAD EXAMIANS APP
Power Systems The Gauss Seidel load flow method has following disadvantages. Which of the following statement is wrong? Slow convergence Unreliable convergence A good initial guess for voltages is essential for convergence Choice of slack bus affects the convergence Slow convergence Unreliable convergence A good initial guess for voltages is essential for convergence Choice of slack bus affects the convergence ANSWER DOWNLOAD EXAMIANS APP
Power Systems The pu parameters for a 500 MVA machine on its own base are: Inertia, H = 20 pu; reactance X = 2 pu. The pu values of inertia and reactance on 100 MVA common base, respectively, are 4, 10 4, 0.4 100, 10 100, 0.4 4, 10 4, 0.4 100, 10 100, 0.4 ANSWER DOWNLOAD EXAMIANS APP
Power Systems Incremental cost of two generators Ic1 = 0.2 P1+60, Ic2 = 0.3 P2+40 and the ratings of the generator are 150 and 250 MW. Find the load sharing of each generator for a load of 200 MW? P1 = 60 MW, P2 = 140 MW P1 = 120 MW, P2 = 80 MW P1 = 80 MW, P2 = 120 MW P1 = 100 MW, P2 = 100 MW P1 = 60 MW, P2 = 140 MW P1 = 120 MW, P2 = 80 MW P1 = 80 MW, P2 = 120 MW P1 = 100 MW, P2 = 100 MW ANSWER DOWNLOAD EXAMIANS APP
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