.7 Two long, cylindrical conductors of radii a, and az are parallel and separated by a distance d, which is large compared with either radius. Show that the capacitance per unit length is given approximately by -1 C - TTE0 In where a is the geometrical mean of the two radii. Approximately what gauge wire (state diameter in millimeters) would be nec- essary to make a two-wire transmission line with a capacitance of 1.2 X 10-11 F/m if the separation of the wires was 0.5 cm? 1.5 cm? 5.0 cm?
.7 Two long, cylindrical conductors of radii a, and az are parallel and separated by a distance d, which is large compared with either radius. Show that the capacitance per unit length is given approximately by -1 C - TTE0 In where a is the geometrical mean of the two radii. Approximately what gauge wire (state diameter in millimeters) would be nec- essary to make a two-wire transmission line with a capacitance of 1.2 X 10-11 F/m if the separation of the wires was 0.5 cm? 1.5 cm? 5.0 cm?
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 4.1P: The Aluminum Electrical Conductor Handbook lists a dc resistance of 0.01558 ohm per 1000 ft at 20C...
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