What is the percentage of the operating voltage increase using the same conductor diameter and the same overall dimensions of the cable.
What is the percentage of the operating voltage increase using the same conductor diameter and the same overall dimensions of the cable.
Introductory Circuit Analysis (13th Edition)
13th Edition
ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
Chapter1: Introduction
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![This design project involves the use of layers of
dielectrics in a high voltage cable. These layers have
different permittivities €. Since the dielectric must
withstand the maximum potential gradient of (q/2π€¸€x),
a homogeneous dielectric is used uneconomically at all
radii greater than r. Therefore, a compromise can be
effected by using two or three dielectrics with different
values of €.
Suppose, for example, there are three layers of dielectric
of outer radii r₁ r₂ and R and of dielectric constants €₁,
€₂ and 3 as shown in the following Figure.
=
VEL
€3
Figure 1: High voltage cable layers o different
permittivities
1. Let r
=4 and €,=3
R
10mm, R = 25mm, Emax=4kV/mm, €₁ =5, €₂](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F9dc707f6-81a4-448b-8d4f-62b6d3e153d1%2F57697f14-1477-4a61-8764-0ac051dc52c7%2Ftiihf1b_processed.jpeg&w=3840&q=75)
Transcribed Image Text:This design project involves the use of layers of
dielectrics in a high voltage cable. These layers have
different permittivities €. Since the dielectric must
withstand the maximum potential gradient of (q/2π€¸€x),
a homogeneous dielectric is used uneconomically at all
radii greater than r. Therefore, a compromise can be
effected by using two or three dielectrics with different
values of €.
Suppose, for example, there are three layers of dielectric
of outer radii r₁ r₂ and R and of dielectric constants €₁,
€₂ and 3 as shown in the following Figure.
=
VEL
€3
Figure 1: High voltage cable layers o different
permittivities
1. Let r
=4 and €,=3
R
10mm, R = 25mm, Emax=4kV/mm, €₁ =5, €₂
![4. What is the percentage of the operating voltage
increase using the same conductor diameter and the
same overall dimensions of the cable.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F9dc707f6-81a4-448b-8d4f-62b6d3e153d1%2F57697f14-1477-4a61-8764-0ac051dc52c7%2Fps6b1qm_processed.jpeg&w=3840&q=75)
Transcribed Image Text:4. What is the percentage of the operating voltage
increase using the same conductor diameter and the
same overall dimensions of the cable.
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