Power Systems Which of the following is/are the advantages of synchronous phase modifier over the shunt compensation? both 1 and 2 initial cost is low single unit can be used as both capacitance and inductor by adjusting the excitation smooth voltage regulation is possible by controlling excitation both 1 and 2 initial cost is low single unit can be used as both capacitance and inductor by adjusting the excitation smooth voltage regulation is possible by controlling excitation ANSWER DOWNLOAD EXAMIANS APP
Power Systems The only place where slip ring induction motors used in thermal power plants is none of above. coal handling plant. lubrication oil pumps. conveyors. none of above. coal handling plant. lubrication oil pumps. conveyors. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Proximity effect is more in case of power cables over head lines same in both cases None of these power cables over head lines same in both cases None of these ANSWER DOWNLOAD EXAMIANS APP
Power Systems A 3-phase, 110 kV coaxial XLPE insulated power cable delivering power at 50 Hz, has a capacitance of 125 nF/km. If the dielectric loss tangent of XLPE is 2*10^-4, then dielcetric power loss in this cable in W/km/phase is 31.7 23.9 35.45 38.6 31.7 23.9 35.45 38.6 ANSWER DOWNLOAD EXAMIANS APP
Power Systems Storage requirement can be determined from hydro-graph. flow duration curve. both B and C. mass Curve. hydro-graph. flow duration curve. both B and C. mass Curve. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Length of short transmission line is up to any of the above 150 km 80 km 40 km any of the above 150 km 80 km 40 km ANSWER DOWNLOAD EXAMIANS APP
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