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 6.06 Ω / phase. 2.26 Ω / phase. 8.06 Ω / phase. 4.65 Ω / phase. 6.06 Ω / phase. 2.26 Ω / phase. 8.06 Ω / phase. 4.65 Ω / phase. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which type of connection is employed for current transformers for the protection of delta- star connected 3-phase transformer? star-delta delta-delta delta-star star-star star-delta delta-delta delta-star star-star ANSWER DOWNLOAD EXAMIANS APP
Power Systems Counter poise is used for more surge impedance proper discharging of lighting surges reduce losses less surge impedance more surge impedance proper discharging of lighting surges reduce losses less surge impedance ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following is/are the disadvantages of phase modifiers? It requires more maintenance because of running equipment Initial cost of synchronous phase modifier is higher All of these It consumes both active and reactive power It requires more maintenance because of running equipment Initial cost of synchronous phase modifier is higher All of these It consumes both active and reactive power ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following plants is/are base load plants nuclear both 1 and 2 pump storage run off river nuclear both 1 and 2 pump storage run off river 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 554×554 553×553 540×540 555×555 554×554 553×553 540×540 555×555 ANSWER DOWNLOAD EXAMIANS APP
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