Power Systems Skin effect depends on All of these frequency conductivity relative permeability All of these frequency conductivity relative permeability ANSWER DOWNLOAD EXAMIANS APP
Power Systems A transmission line has an impedance of (2+j6) Ω has voltage regulation of 10% at a load power factor of 0.8 lag. Find the voltage regulation for a load of 0.6 lead 10% -6.92% 6.92% -10% 10% -6.92% 6.92% -10% ANSWER DOWNLOAD EXAMIANS APP
Power Systems Three generators rated 100 MVA, 11 kV have an impedance of 0.15 pu each. If in the same plant, these generators are being replaced by a single equivalent generator, the effective impedance of equivalent generator will be 0.45 pu 0.15 pu 0.05 pu 0.25 pu 0.45 pu 0.15 pu 0.05 pu 0.25 pu ANSWER DOWNLOAD EXAMIANS APP
Power Systems For a 500 Hz frequency excitation, a 100 km long power line will be modelled as shunt capacitor any of the above medium transmission line long transmission line shunt capacitor any of the above medium transmission line long transmission line ANSWER DOWNLOAD EXAMIANS APP
Power Systems The only place where slip ring induction motors used in thermal power plants is conveyors. coal handling plant. lubrication oil pumps. none of above. conveyors. coal handling plant. lubrication oil pumps. none of above. ANSWER DOWNLOAD EXAMIANS APP
Power Systems A transmission line has surge impedance of 400 Ω, operating at Vs = Vr = 400 kV line is compensated with a shunt capacitance of 30%. The line is connected to a generator delivering 200 MW. Find the load angle with out and with compensation respectively? 26° and 30° 45° and 26° 30° and 26° 30° and 45° 26° and 30° 45° and 26° 30° and 26° 30° and 45° ANSWER DOWNLOAD EXAMIANS APP
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