Power Systems The advantage of hydro electric power station over thermal power station is the operation cost of hydro electric power station is low hydro electric power station can supply the power throughout the year the initial cost of hydro electric power station is low hydro electric station can be constructed at the place where the energy is required the operation cost of hydro electric power station is low hydro electric power station can supply the power throughout the year the initial cost of hydro electric power station is low hydro electric station can be constructed at the place where the energy is required ANSWER DOWNLOAD EXAMIANS APP
Power Systems The draw back of NR method as compare to Gauss-Seidel method is/are? large requirement of computer memory large number of iterations both 1 and 2 None of these large requirement of computer memory large number of iterations both 1 and 2 None of these ANSWER DOWNLOAD EXAMIANS APP
Power Systems A transmission line has impedance of (0.005 + j0.05) pu. Find the line at which maximum value of negative DC off set current is produced, if it is applied with Vm cosωt? 2.63 msec 4.68 msec 9.68 1.47 msec 2.63 msec 4.68 msec 9.68 1.47 msec ANSWER DOWNLOAD EXAMIANS APP
Power Systems The Y bus matrix of 100 bus interconnected system is 90% sparse. Hence the number of transmission lines in the system must be 250 500 450 900 250 500 450 900 ANSWER DOWNLOAD EXAMIANS APP
Power Systems Condition for zero voltage regulation is tanφ = R/X cosφ = X/R tanφ = X/R cosφ = R/X tanφ = R/X cosφ = X/R tanφ = X/R cosφ = R/X ANSWER DOWNLOAD EXAMIANS APP
Power Systems A 1-phase transmission line has an impedance (4 + 3j ) Ω. Find the power factor of the load for zero voltage regulation? 0.8 lag 0.6 lag 0.8 lead 0.6 lead 0.8 lag 0.6 lag 0.8 lead 0.6 lead ANSWER DOWNLOAD EXAMIANS APP
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