Power Systems When is the ferranti effect on long overhead lines experienced? The line is lightly loaded The line is fully loaded The power factor is unity The line is heavily loaded The line is lightly loaded The line is fully loaded The power factor is unity The line is heavily loaded ANSWER DOWNLOAD EXAMIANS APP
Power Systems For some given transmission line the expression for voltage regulation is given by (Vs - Vr)/Vr *100%. Hence, this may either be a medium line or short line this expression is true for any line None of these this must be a short line this may either be a medium line or short line this expression is true for any line None of these this must be a short line 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 540×540 554×554 553×553 555×555 540×540 554×554 553×553 555×555 ANSWER DOWNLOAD EXAMIANS APP
Power Systems Taking the density of water to be 1000 kg/m³, how much power would be developed by a hydro electric generator unit, assume 100% efficiency, with 1 m head and 1 m³/s discharge? 2.90 kW 19.60 kW 4.45 kW 9.81 kW 2.90 kW 19.60 kW 4.45 kW 9.81 kW ANSWER DOWNLOAD EXAMIANS APP
Power Systems Attenuation occurs due to both 1 and 3 resistance conductance inductance both 1 and 3 resistance conductance inductance ANSWER DOWNLOAD EXAMIANS APP
Power Systems The SWR on a lossless transmission line of the characteristic impedance 100 ohm is 3. The line is the terminated by A resistance of j300 ohm. A resistance of 100/3 ohm. A resistance of j100/3 ohm. A resistance of 100 ohm. A resistance of j300 ohm. A resistance of 100/3 ohm. A resistance of j100/3 ohm. A resistance of 100 ohm. ANSWER DOWNLOAD EXAMIANS APP
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