Power Systems Steady state stability of a power system is improved by decreasing generator inertia All of these using double circuit line instead of single circuit line single pole switching decreasing generator inertia All of these using double circuit line instead of single circuit line single pole switching ANSWER DOWNLOAD EXAMIANS APP
Power Systems If a fault occurs on any feeder, the fault current is equal to unsectional bus bar. none of these. much higher than with unsectional bus bar. much lower than with unsectional bus bar. equal to unsectional bus bar. none of these. much higher than with unsectional bus bar. much lower than with unsectional bus bar. ANSWER DOWNLOAD EXAMIANS APP
Power Systems The Y bus matrix of a 100 bus interconnected system is 90% sparse. Then find the number of non zero elements in the Y bus matrix? 90 10 9000 1000 90 10 9000 1000 ANSWER DOWNLOAD EXAMIANS APP
Power Systems A power system network has n nodes, Z33 of its bus impedance matrix is j0.5 pu. The voltage at node 3 is 1.3∠ -10°. If capacitor is having reactance of -j3.5 pu is now added to the network between node 3 and reference node, the current drawn by the capacitor in pu is 0.433∠ 80° 0.725∠ 80° 0.371∠ -100° 0.325∠ -100° 0.433∠ 80° 0.725∠ 80° 0.371∠ -100° 0.325∠ -100° ANSWER DOWNLOAD EXAMIANS APP
Power Systems Four identical alternators each are rated for 20 MVA, 11 KV having a subtransient reactance of 16% are working in parallel. The short circuit level at the busbar is 100 MVA 500 MVA 400 MVA 125 MVA 100 MVA 500 MVA 400 MVA 125 MVA ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following is not base load power plant Nuclear. Pump storage. Run water. Diesel. Nuclear. Pump storage. Run water. Diesel. ANSWER DOWNLOAD EXAMIANS APP
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