iv) Where is the highest electric field to be found in the cable? Calculate the electric field magnitude at this location and express it in kV/mm v) If the dielectric strength of FEP is 75kV/mm, calculate the maximum achievable cable voltage given a safety factor of 3:1. Q1. A high-voltage coaxial cable comprises two concentric copper conductors separated by a dielectric barrier made of FEP (Fluorinated Ethylene Propylene). The inner conductor is solid, having radius a = 2.4mm. The outer conductor has inner radius b = 14.7mm and thickness t = 2mm. The FEP dielectric has a relative permittivity of ε= 2.1. a) The outer conductor is initially grounded, and a potential difference Vab = 25kV is applied.

Introductory Circuit Analysis (13th Edition)
13th Edition
ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
Chapter1: Introduction
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iv) Where is the highest electric field to be found in the cable? Calculate the
electric field magnitude at this location and express it in kV/mm
v) If the dielectric strength of FEP is 75kV/mm, calculate the maximum
achievable cable voltage given a safety factor of 3:1.
Transcribed Image Text:iv) Where is the highest electric field to be found in the cable? Calculate the electric field magnitude at this location and express it in kV/mm v) If the dielectric strength of FEP is 75kV/mm, calculate the maximum achievable cable voltage given a safety factor of 3:1.
Q1. A high-voltage coaxial cable comprises two concentric copper conductors separated
by a dielectric barrier made of FEP (Fluorinated Ethylene Propylene).
The inner conductor is solid, having radius a = 2.4mm.
The outer conductor has inner radius b = 14.7mm and thickness t = 2mm.
The FEP dielectric has a relative permittivity of ε= 2.1.
a) The outer conductor is initially grounded, and a potential difference Vab = 25kV
is applied.
Transcribed Image Text:Q1. A high-voltage coaxial cable comprises two concentric copper conductors separated by a dielectric barrier made of FEP (Fluorinated Ethylene Propylene). The inner conductor is solid, having radius a = 2.4mm. The outer conductor has inner radius b = 14.7mm and thickness t = 2mm. The FEP dielectric has a relative permittivity of ε= 2.1. a) The outer conductor is initially grounded, and a potential difference Vab = 25kV is applied.
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