Introductory Circuit Analysis (13th Edition)
Introductory Circuit Analysis (13th Edition)
13th Edition
ISBN: 9780133923605
Author: Robert L. Boylestad
Publisher: PEARSON
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2 (a) Show that over the length of one transposition cycle of a power line, the total flux
linkages of a nearby telephone line are zero, for balance three-phase current.
(b) Determine the inductance per km/phase of a double circuit three-phase line as shown in
the given figure. The radius of each conductor is 15 mm.
a
a'
b'
E1.75 m- 1.75 m- 1.75 m 1.75 m- 1.75 m-
(c) Determine the inductance of the double circuit line as shown in the given figure. The self
GMD of the conductor is 0.0078 meters.
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Transcribed Image Text:2 (a) Show that over the length of one transposition cycle of a power line, the total flux linkages of a nearby telephone line are zero, for balance three-phase current. (b) Determine the inductance per km/phase of a double circuit three-phase line as shown in the given figure. The radius of each conductor is 15 mm. a a' b' E1.75 m- 1.75 m- 1.75 m 1.75 m- 1.75 m- (c) Determine the inductance of the double circuit line as shown in the given figure. The self GMD of the conductor is 0.0078 meters.
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