In a three-phase transmission line with a length of 150 km, a voltage of 250 kV and a frequency of 50 Hz, the diameter of the steel-cored aluminum conductors is 18 mm, the roughness coefficient of the conductors is 0.6, and the spacing between the conductors is 6 m. Since the average air temperature is 27˚ C and the air pressure is 762 mmHg along the line, find the corona voltage around the conductor and the total loss of the line according to the Peek formula.

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In a three-phase transmission line with a length of 150 km, a voltage of 250 kV and a frequency of 50 Hz, the diameter of the steel-cored aluminum conductors is 18 mm, the roughness coefficient of the conductors is 0.6, and the spacing between the conductors is 6 m. Since the average air temperature is 27˚ C and the air pressure is 762 mmHg along the line, find the corona voltage around the conductor and the total loss of the line according to the Peek formula.

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