GATE EE : Power System Quiz

A three phase generator is supplying a power at 1.0 pu voltage and current supplied by it is 0.6 pu at 0.8 lagging p.f. Then pu real power supplied by the generator will be: (Answer upto two decimal places)

The skin effect in conductors is not dependent on which of the following parameters:

A 10 MVA, 20 KV/50 KV, Y-Y transformer has a pu impedance of 10% an HV side. The impedance value at LV side will be.

The ABCD constants of a 3 phase transmission line are A = D = 0.8 , B = 170 , C = 0.002. The sending end voltage is 400kV. The receiving end voltage under no load condition is (in kV)

A single phase line 50 km long, having conductors with radius of 0.25 cm are separated by 1.5 m and are lying 7m above the ground. The capacitance of the line (line to line) is

A three phase 50 Hz transmission line has flat horizontal spacing with 3.5m between adjacent conductors. The conductors are hard-drawn seven strand copper (outside conductor diameter = 1.05 cm). The voltage of the line is 110 kV. Find the charging current per kilometer of the line (in A/km)