Three phase, 260 kV, 50 Hz transmission line consists of 3.2 cm diameter conductor spaced 0.002 km apart in equilateral triangular formation. If the temperature is 45°C and atmospheric pressure is 72...

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Extracted text: Three phase, 260 kV, 50 Hz transmission line consists of 3.2 cm diameter conductor spaced 0.002 km apart in equilateral triangular formation. If the temperature is 45°C and atmospheric pressure is 72 cm, calculate the corona loss per km of the line. Assume mo = 0-85.