Power Systems Which statement is not correct for the transmission line parameter R, L, G and C The line parameter R,L,G and C are uniformly distributed along the entire length of the line C. G = I/R. R is the AC resistance per unit length of conductor C. At high frequencies at which most of communication system operate the internal inductance of the conductor is neglected. For each line, the conductors are characterized by σ c, μ c, εo = ε c and the homog The line parameter R,L,G and C are uniformly distributed along the entire length of the line C. G = I/R. R is the AC resistance per unit length of conductor C. At high frequencies at which most of communication system operate the internal inductance of the conductor is neglected. For each line, the conductors are characterized by σ c, μ c, εo = ε c and the homog ANSWER DOWNLOAD EXAMIANS APP
Power Systems Surge impedance loading of a line is increased by which of the following compensation methods? shunt reactor both 1 and 2 shunt capacitor series capacitor shunt reactor both 1 and 2 shunt capacitor series capacitor ANSWER DOWNLOAD EXAMIANS APP
Power Systems A 20 MVA generator has inertia constant of 0.5 pu. Find new value for 50 MVA base? 0.5 pu 0.4 pu 0.2 pu 0.1 pu 0.5 pu 0.4 pu 0.2 pu 0.1 pu ANSWER DOWNLOAD EXAMIANS APP
Power Systems The Gauss Seidel load flow method has following disadvantages. Which of the following statement is wrong? A good initial guess for voltages is essential for convergence Slow convergence Unreliable convergence Choice of slack bus affects the convergence A good initial guess for voltages is essential for convergence Slow convergence Unreliable convergence Choice of slack bus affects the convergence ANSWER DOWNLOAD EXAMIANS APP
Power Systems Find the number of insulator discs required in string insulator, if operating voltage is 220 kV and maximum voltage of each disc is 11 kV? 21 20 10 13 21 20 10 13 ANSWER DOWNLOAD EXAMIANS APP
Power Systems In transmission lines distribution constants are inductance and capacitance resistance inductance and resistance both 1 and 2 inductance and capacitance resistance inductance and resistance both 1 and 2 ANSWER DOWNLOAD EXAMIANS APP
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