Question

Power Engineering

220KV, 50HZ, 150Km three phase transposed line is composed of three conductors per phase as shown in below figure. The bundle spacing is 30cm. the diameter of each conductor is 2cm. find the inductance per phase. capacitance per phase, the total inductive reactance per phase, the total capacitive reactance per phase, the charging current, and capacitive reactive power.

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Then, Analyze the following OHTL system considering that, The receiving-end line-to-line voltage is 220 kV and the current is 200A, at a power factor of 0.8 lagging. The line parameters per kilometer are:R=0.2 ohm ,L=2mH, C=0.01 micro F, and f=60 Hz. 


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