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9a D12 D31 H31 H12 H₁ H12 -9 1 D23 H23 H₂ H3 H23 H31 め3 -80 -9c FIGURE 5.9 Three-phase line and its image. 20' 38' 20' B

9a D12 D31 H31 H12 H₁ H12 -9 1 D23 H23 H₂ H3 H23 H31 め3 -80 -9c FIGURE 5.9 Three-phase line and its image. 20' 38' 20' B

Introductory Circuit Analysis (13th Edition)
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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Determine the capacitance and capacitive reactance per mile of this three-phase line shown below. The conductor is CAA Drake (it's radius is 0.0462 ft), the line length is about 175 miles and the normal operation voltage is 220kV at 60 Hz. Also consider that the conductors signaled as "AB" are 12 meter away from the earth.
Determine the total capacitive reactance of the line considering the Earth Effect.

 

Note: I think I should use this figure 5.9 but I just don't know how... 

9a D12 D31 H31 H12 H₁ H12 -9 1 D23 H23 H₂ H3 H23 H31 め3 -80 -9c FIGURE 5.9 Three-phase line and its image.
Transcribed Image Text:9a D12 D31 H31 H12 H₁ H12 -9 1 D23 H23 H₂ H3 H23 H31 め3 -80 -9c FIGURE 5.9 Three-phase line and its image.
20' 38' 20' B
Transcribed Image Text:20' 38' 20' B
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