Consider the two-wire transmission line whose cross section isillustrated below. Each wire is of radius 2 cm, and the wires areseparated 10cm. The wire centered at (0,0) carries a current of 5 Awhile the other centered at (10cm, 0) carries the return current.Find H ata. (5cm, 0 cm)b. (10cm, 5cm)c. (0 cm, 5 cm)4 cm10 cmx

Answered: Consider the two-wire transmission line…

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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It is desired to construct uniform transmission lines using polyethylene (εr = 2.25) as the dielectric medium. Assuming negligible losses, find the inner radius of the outer conductor (in mm) for a 76 Ω coaxial line, where the radius of the center conductor is 0.6 (mm).
The geometric mean radius of the conductor in a 380 kV, 120 km long transmission line 24mm. The roughness factor of the conductor is 0,98. Geometric mean length between phases of conductors 3,2 m. Air pressure across the line 725 mmHg, temperature 18 degrees Celcius and the conductor surface temperature is 85 degrees Celsius.According to this,a) Calculate the voltage at which ionization starts and the corona voltage.b) Find the corona loss for operating voltage with Peek formula.c) Calculate the total corona loss of the line with the Peek formula for a 15% increase in operating voltage.
Estimate the corona loss for a 3-phase, 110 kV, 50 Hz, 150-km-long transmission line consisting of three conductors, each of 10 mm diameter and spaced 2.5 m apart in an equilateral triangle formation. The temperature of the air is 30oC and the atmospheric pressure is 750 mm of mercury. Take the irregularity factor as 0.85. Ionisation of the air may be assumed to take place at a max voltage gradient of 30 kV/cm.
It is desired to construct uniform transmission lines using polyethylene (εr = 2.25) as the dielectric medium. Assuming negligible losses, find the distance of separation (in mm) for a 308 Ω two–wire line, where the radius of the conducting wires is 0.6 (mm).
A 132 kV, three-phase, 50Hz transmission line uses 18 mm diameter, equally spaced conductors. Determine the spacing between these conductors, if it is to be designed such that the corona inception voltage is 5% higher than the normal operating voltage of the line at 40oC. (You may assume the expression relating the electric field and the voltage of the line as a starting point, m=0.9)
With a neat diagram show the reflections occurring in a transmission line. Hence explain thec conceptsof Reflection co-efficient and VSWR associated with it.
A 132 kV, three-phase, 50Hz transmission line uses 18 mm diameter, equally spaced ACSR conductors. Determine the spacing between these conductors, if it is to be designed such that the corona inception voltage is 5% higher than the normal operating voltage of the line at 40o C. You may assume the expression relating the electric field and the voltage of the line as a starting point.
A microstrip line is composed of zero thickness copper conductors on a substrate having εr = 8.4, tan = 0.0005 and thickness 1.5 mm. if the line width is 0.5 mm,and operated at 6Ghz, determine the characteristic impedance.
Answer with illustration pls Cellular phone networks use towers to transmit calls to a circular area. On a grid of a province, the coordinates that correspond to the location of the towers and the radius each covers are as follows: Tower 1 is at (-5, -3) and covers a 9 km radius; Tower 2 is at (3,6) and covers a 4 km radius; and Tower 3 is at (12, -3) and covers a 6 km radius.a. What equation represents the transmission boundaries of each tower?b. Which tower transmits calls to phones located at (12,2)?(-6,-7)?(2,8)?(1,3)?c. If you were a cellular phone user, which cellular phone network will you subscribe to? Why?
A piece of RG-59B/U Coaxial cable has a nominal capacitance of 0.4 F/m, and 7.5 H inductance per meter. The diameter of the inner conductor as 0.8m, and the dielectric constant of the insulation as 4.97. Find the diameter of the outer conductor in cm. Assume the line is a lossless line?
The ratio of the inner conductor perimeter to the outer conductor perimeter of a coaxial cable is 0.4993 and how many structure capacitance pF/m is the insulated coaxial line?
A 55 -km long, 50 Hz, single-phase, 2-wire, transmission line is composed of 26 -mm diameter solid conductors. If the separation between conductors is 2.8 m., What is the inductance per conductor per unit length in (mH/km)?

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