b) A twin wire transmission line has a conductor radius a = 2mm and a spacing ofD = 50 mm. A charge of = +40nC/m is deposited on one conductor, with theother conductor grounded. The line sits in free space.(i) Calculate the magnitude of the electric field at the wires' midpoint.(ii) Where is the maximum electric field developed? Calculate its magnitude.(iii) Emax for air is approximately 3kV/mm. Allowing for a 3:1 safety factor,calculate the rated voltage of your line.

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Answered: b) A twin wire transmission line has a…

Power System Analysis and Design (MindTap Course List)

6th Edition

ISBN:9781305632134

Author:J. Duncan Glover, Thomas Overbye, Mulukutla S. Sarma

Publisher:J. Duncan Glover, Thomas Overbye, Mulukutla S. Sarma

Chapter4: Transmission Line Parameters

Section: Chapter Questions

Problem 4.34MCQ

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Question

b) A twin wire transmission line has a conductor radius a = 2mm and a spacing of
D = 50 mm. A charge of = +40nC/m is deposited on one conductor, with the
other conductor grounded. The line sits in free space.
(i) Calculate the magnitude of the electric field at the wires' midpoint.
(ii) Where is the maximum electric field developed? Calculate its magnitude.
(iii) Emax for air is approximately 3kV/mm. Allowing for a 3:1 safety factor,
calculate the rated voltage of your line.

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