Power Systems Phase shift occurs due to which of the following components? capacitance conductance inductance both 1 and 2 capacitance conductance inductance both 1 and 2 ANSWER DOWNLOAD EXAMIANS APP
Power Systems A transmission line has impedance of (0.005 + j0.05) pu. Find the line at which maximum value of negative DC off set current is produced, if it is applied with Vm sinωt? 9.68 msec 1.47 msec 2.63 msec 4.68 msec 9.68 msec 1.47 msec 2.63 msec 4.68 msec ANSWER DOWNLOAD EXAMIANS APP
Power Systems The positive sequence reactance will be equal to negative sequence if the equipment is transformer and transmission lines. none of these. generator. motor. transformer and transmission lines. none of these. generator. motor. ANSWER DOWNLOAD EXAMIANS APP
Power Systems In a 3-phase, 5 kV, 5 MVA system, what is the base impedance? 500 ohms 50 ohms 5 ohms 0.5 ohm 500 ohms 50 ohms 5 ohms 0.5 ohm ANSWER DOWNLOAD EXAMIANS APP
Power Systems The capacitance of an overhead transmission line increases with increase in height of conductors above ground both 1 and 2 neither 1 nor 2 increase in mutual geometrical mean distance increase in height of conductors above ground both 1 and 2 neither 1 nor 2 increase in mutual geometrical mean distance 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? 45° and 26° 30° and 45° 30° and 26° 26° and 30° 45° and 26° 30° and 45° 30° and 26° 26° and 30° ANSWER DOWNLOAD EXAMIANS APP
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