... A 275 kV, 50 Hz, 500 km long symmetrical line is operated at the rated...

 

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... A 275 kV, 50 Hz, 500 km long symmetrical line is operated at the rated voltage. The inductance and the capacitance of the line per kilometre is given as 1 mH and 11.1 x 10-⁹ respectively. Calculate the following: a) The theoretical maximum power that can be carried by the line. b) The midpoint voltage. c) The reactance of the series capacitor connected at the midpoint of the line to double the power transmitted. (4) (8) (2) ... A 275 kV, 50 Hz, 500 km long symmetrical line is operated at the rated voltage. The inductance and the capacitance of the line per kilometre is given as 1 mH and 11.1 x 10-⁹ respectively. Calculate the following: a) The theoretical maximum power that can be carried by the line. b) The midpoint voltage. c) The reactance of the series capacitor connected at the midpoint of the line to double the power transmitted. (4) (8) (2)

Answer rating: 100% (QA)

SOLUTION a The theoretical surge impedance of the line can be calculated using the formula Z LC wher... View the full answer