Power Systems Steady state stability of a power system is improved by single pole switching decreasing generator inertia using double circuit line instead of single circuit line All of these single pole switching decreasing generator inertia using double circuit line instead of single circuit line All of these ANSWER DOWNLOAD EXAMIANS APP
Power Systems For 800 MJ stored energy in the rotor at synchronous speed, what is the inertia constant H for a 50 Hz, four pole turbo generator rated 100 MVA, 11 kV? 4 MJ/MVA 8 MJ/MVA 6 MJ/MVA 2 MJ/MVA 4 MJ/MVA 8 MJ/MVA 6 MJ/MVA 2 MJ/MVA ANSWER DOWNLOAD EXAMIANS APP
Power Systems A fuse wire of circular cross-section has a radius of 0.8 mm. The wire blows off at an current of 8 Amp. Calculate the radius of wire that will blow off at an current of 1 amp? 0.4 mm. 0.2 mm. 2 mm. 4 mm. 0.4 mm. 0.2 mm. 2 mm. 4 mm. ANSWER DOWNLOAD EXAMIANS APP
Power Systems A string insulator has 4 units. The voltage across the bottom most unit is 33.33% of total voltage. Its string efficiency is 25% 66.66% 75% 33.33% 25% 66.66% 75% 33.33% ANSWER DOWNLOAD EXAMIANS APP
Power Systems A power system consists of 300 buses out of which 20 buses are generator buses, 25 buses are the ones with reactive power support buses and 15 buses are ones with fixed shunt capacitors. All the other buses are load buses. It is proposed to perform a load flow analysis for the system using Newton-Raphson Jacobian matrix is 553×553 554×554 540×540 555×555 553×553 554×554 540×540 555×555 ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following is/are the effects of corona All of these charging current increases interference decreases power loss decreases All of these charging current increases interference decreases power loss decreases ANSWER DOWNLOAD EXAMIANS APP
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