In a 380 phasekV, 3-phase I = 240 km power transmission line, steel quotations of 21 mm, 30 cores were used. Over the line, the aircraft is 720 mmHg, 22 °C, the conductor is 70 °C, the conductors are runners 9 m and the surface roughness of the conductor is 0.98. By taking the frequency f = 50 Hz, this line a) Corona voltage voltage b) Corona voltage c) Corona end according to Peek formula d) In the same line, in the case of a single hat, the distance between the conductors d= 34 cm for double bundle use; Review the corona fundamental voltage, the corona voltage, and the corona to Peek formula.

Power System Analysis and Design (MindTap Course List)
6th Edition
ISBN:9781305632134
Author:J. Duncan Glover, Thomas Overbye, Mulukutla S. Sarma
Publisher:J. Duncan Glover, Thomas Overbye, Mulukutla S. Sarma
Chapter4: Transmission Line Parameters
Section: Chapter Questions
Problem 4.8P: A 60-Hz, single-phase two-wire overhead line has solid cylindrical copper conductors with a 1.5 cm...
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In a 380 phasekV, 3-phase I = 240 km power
transmission line, steel quotations of 21 mm, 30 cores
were used. Over the line, the aircraft is 720 mmHg,
22 °C, the conductor is 70 °C, the conductors are
runners 9 m and the surface roughness of the
conductor is 0.98. By taking the frequency f = 50 Hz,
this line
a) Corona voltage voltage
b) Corona voltage
c) Corona end according to Peek formula
d) In the same line, in the case of a single hat, the
distance between the conductors d= 34 cm for
double bundle use; Review the corona fundamental
voltage, the corona voltage, and the corona to Peek
formula.
%3D
Transcribed Image Text:In a 380 phasekV, 3-phase I = 240 km power transmission line, steel quotations of 21 mm, 30 cores were used. Over the line, the aircraft is 720 mmHg, 22 °C, the conductor is 70 °C, the conductors are runners 9 m and the surface roughness of the conductor is 0.98. By taking the frequency f = 50 Hz, this line a) Corona voltage voltage b) Corona voltage c) Corona end according to Peek formula d) In the same line, in the case of a single hat, the distance between the conductors d= 34 cm for double bundle use; Review the corona fundamental voltage, the corona voltage, and the corona to Peek formula. %3D
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