Power Systems In a Gauss Seidel load flow method, the number of iterations may be reduced if the correction in voltage at each bus is multiplied by Acceleration factor Gauss constant Blocking factor Lagrange multiplier Acceleration factor Gauss constant Blocking factor Lagrange multiplier ANSWER DOWNLOAD EXAMIANS APP
Power Systems An unloaded generator with a pre-fault voltage 1 pu has the following sequence impedance: Z0 = j 0.15 pu, Z1 = Z2 = j 0.25 pu The neutral is grounded with a reactance of 0.05 pu. The fault current in pu for single line to ground fault is 2.5 pu 4.28 pu 3.75 pu 7.25 pu 2.5 pu 4.28 pu 3.75 pu 7.25 pu ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following statements is/are true? The elements of each row of a Y bus matrix for load flow studies in power system add up to zero always if both 2 and 3 are satisfied if the mutual couplings between transmission lines are absent if the shunt admittances at the buses are ignored always if both 2 and 3 are satisfied if the mutual couplings between transmission lines are absent if the shunt admittances at the buses are ignored ANSWER DOWNLOAD EXAMIANS APP
Power Systems Mho relay is usually employed for protection of long transmission lines only medium transmission lines only any line short transmission lines only long transmission lines only medium transmission lines only any line short transmission lines only ANSWER DOWNLOAD EXAMIANS APP
Power Systems Example of base load stations are thermal. hydro. both A and B. gas turbine. thermal. hydro. both A and B. gas turbine. ANSWER DOWNLOAD EXAMIANS APP
Power Systems The term self GMD is used to calculate capacitance both 1 and 2 inductance resistance capacitance both 1 and 2 inductance resistance ANSWER DOWNLOAD EXAMIANS APP
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