Power Systems Which following statement are not true for line parameters R, L, G and C of transmission line LC = μ ε and RG = σ ε. G = 1/R where G is conductance of line. Both R and G depend on the conductivity of conductor forming the line. All of above. LC = μ ε and RG = σ ε. G = 1/R where G is conductance of line. Both R and G depend on the conductivity of conductor forming the line. All of above. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Mho relays are used for the protection of which of the following lines? long transmission lines only None of these medium transmission lines only short transmission lines only long transmission lines only None of these medium transmission lines only short transmission lines only ANSWER DOWNLOAD EXAMIANS APP
Power Systems Sum of the elements of row i equal to shunt admittances connected to bus i. If this summation is zero, indicates there is no mutual coupling both 1 and 2 shunt admittance None of these mutual coupling both 1 and 2 shunt admittance None of these 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 500 kV 350 kV 400 kV 600 kV 500 kV 350 kV ANSWER DOWNLOAD EXAMIANS APP
Power Systems Reflection coefficient of voltage is Rv 2Zs/(Zs + Zl) (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) ANSWER DOWNLOAD EXAMIANS APP
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 Gauss constant Acceleration factor Blocking factor Lagrange multiplier Gauss constant Acceleration factor Blocking factor Lagrange multiplier ANSWER DOWNLOAD EXAMIANS APP
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