11. A single-phase line operating at 60 Hz consists of two 4/0 12-strand copper conductors with 5 ft spacing between conductor centers. The line length is 20 miles. The line voltage is 20 kV. The following data are obtained from the tables for this conductor: Diameter of Individual Strands = 0.1328 %3D inches • Outside diameter 0.552 inches Geometric Mean Radius (G.M.R. at 60 Hz) = 0.01750 feet. Determine the total inductance in H. Note: 1 foot = 12 inches; and 1 mile = 1609 m. £0 = 8.85 x 10-12 F/m * %3D 0.2388 H 0.2854 H 0.2954 H 0.2287 H
11. A single-phase line operating at 60 Hz consists of two 4/0 12-strand copper conductors with 5 ft spacing between conductor centers. The line length is 20 miles. The line voltage is 20 kV. The following data are obtained from the tables for this conductor: Diameter of Individual Strands = 0.1328 %3D inches • Outside diameter 0.552 inches Geometric Mean Radius (G.M.R. at 60 Hz) = 0.01750 feet. Determine the total inductance in H. Note: 1 foot = 12 inches; and 1 mile = 1609 m. £0 = 8.85 x 10-12 F/m * %3D 0.2388 H 0.2854 H 0.2954 H 0.2287 H
Introductory Circuit Analysis (13th Edition)
13th Edition
ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
Chapter1: Introduction
Section: Chapter Questions
Problem 1P: Visit your local library (at school or home) and describe the extent to which it provides literature...
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Transcribed Image Text:11. A single-phase line operating at 60 Hz consists of two 4/0 12-strand
copper conductors with 5 ft spacing between conductor centers. The line
length is 20 miles. The line voltage is 20 kV. The following data are obtained
from the tables for this conductor: Diameter of Individual Strands = 0.1328
%3!
inches • Outside diameter 0.552 inches Geometric Mean Radius (G.M.R. at
%3D
60 Hz) = 0.01750 feet. Determine the total inductance in H. Note: 1 foot = 12
inches; and 1 mile = 1609 m. ɛO = 8.85 x 10-12 F/m *
%3D
%3D
0.2388 H
O 0.2854 H
0.2954 H
0.2287 H
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