Power Systems A 20 MVA generator has inertia constant of 0.5 pu. Find new value for 50 MVA base? 0.5 pu 0.1 pu 0.4 pu 0.2 pu 0.5 pu 0.1 pu 0.4 pu 0.2 pu ANSWER DOWNLOAD EXAMIANS APP
Power Systems A 100 Km long transmission line is loaded at 110 kV. If the loss of line is 5 MW and the load is 150 VA the resistance of the line is 8.06 Ω / phase. 6.06 Ω / phase. 2.26 Ω / phase. 4.65 Ω / phase. 8.06 Ω / phase. 6.06 Ω / phase. 2.26 Ω / phase. 4.65 Ω / phase. ANSWER DOWNLOAD EXAMIANS APP
Power Systems If a fault occurs on any feeder, the fault current is much lower than with unsectional bus bar. none of these. equal to unsectional bus bar. much higher than with unsectional bus bar. much lower than with unsectional bus bar. none of these. equal to unsectional bus bar. much higher than with unsectional bus bar. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Steady state stability of a power system is improved by using double circuit line instead of single circuit line decreasing generator inertia single pole switching All of these using double circuit line instead of single circuit line decreasing generator inertia single pole switching All of these ANSWER DOWNLOAD EXAMIANS APP
Power Systems Main bus bar protection scheme is /are differential protection. both fault bus and differential protection. fault bus protection. none of these. differential protection. both fault bus and differential protection. fault bus protection. none of these. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Zero voltage regulation is possible only for All of these leading power factor lagging power factor unity power factor All of these leading power factor lagging power factor unity power factor ANSWER DOWNLOAD EXAMIANS APP
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