Answered: Ex :- A stranded conductor consists of…

Ex :- A stranded conductor consists of seven identical strands each having a radius r as shown. Determine the GMR of the conductor in terms of r.

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 4.15P: Find the GMR of a stranded conductor consisting of six outer strands surrounding and touching one...

See similar textbooks

Related questions

Q: a) The conductor shown in the figure below is composed of five strands. The diameter of each strand…

Q: Determine the loop inductance, and the capacitance of a 1 km length of single-phase twin line having…

Q: Why is the Geometric Mean Distance (GMD) of two different conductors the same in a transmission line…

A: GMR stands for geometric mean radius which is also known as self GMD it is mean of the distance of…

Q: A 3 phase 140 kV line with 43.715 cm of distance separation between the conductor so that corona…

A: According to question: Let the radius of conductor = r. Air density factor is calculated as…

Q: An over head transmission line has a cross area of conductor of 4 cm and supported from two towers.…

A: Given: For an overhead line supported at the same level, weight per meter length of conductor w=6 N,…

Q: A 15-km, 60Hz, single phase transmission line consists of two solid conductors, each having a…

A: Given data: The given loop length=15×103m Total inductance use formula L =15×103μπlogeDr+μi4π…

Q: An over head transmission line has a cross area of conductor of 4 cm and supported from two towers.…

A: In the given question The Cross area of the conductor is = 4cm The distance between the…

Q: DISCUSSION QUESTIONS 1. What is the effect of unsymmetrical spacing of conductors in a 3-phase…

A: Since you have posted the multiple questions so we are supposed to answer 1st one.

Q: 4.15 Find the GMR of a stranded conductor consisting of six outer strands surrounding and touching…

Q: A three phase overhead transmission line,\300 km are arranged as shown in the previous pundle…

Q: Q1: a) Discuss the effect of earth on the capacitance of a line : b) Derive in expression for the…

A: (a) The earth can be considered as a conducting infinite equipotential plane. The electric flux…

Q: The diagram below (not to scale) shows a symmetrical arrangement of conductors in a 500m long…

Q: 7. Two towers of height 40 m and 30 m respectively support a transmission line conductor at water…

A: The tower and transmission line diagram can be made as: Difference between level supports is: h =…

Q: Figure below shows the conductor configuration of a completely transposed overhead transmission line…

Q: A three phase 60HZ, 60kV transmission line consisting of 3 conductors are placed at the corners of a…

Q: calculate capacitane, inductance, resistance and conductance of one type of transmission line by…

A: Transmission lines are conductors that serve as a channel for electrical waves (energy) to be…

Q: A three phase 60HZ, 85kV transmission line consisting of 3 conductors are placed at the corners of a…

A: As per Bartleby guidelines we are allowed to solve only three subparts, please ask the rest again.

Q: An overhead 3- phase transmission line has a conductor of section 90 mm and effective diameter of…

A: Note: We are authorized to answer three subparts at a time, since you have not mentioned which part…

Q: The 130 km long three phase 50HZ, 85kV transmission line consisting of 3 conductors are placed at…

A: Note: We are authorized to answer three sub-parts at a time, since you have not mentioned which part…

Q: The towers of height 30 m and 90 m respectively support a transmission line conductor at water…

Q: (b) A transmission line conductor with weight per unit of 1.55 kg/m is installed between two towers…

A: Sag Sag is defined as the difference in level between points of support and the lowest point on the…

Q: A single phase 2 conductor operates at 50Hz, the diameter of each condcutor is 60mm and spacing…

A: The inductance is expressed as the ratio of the flux linkage with the magnitude of the current. It…

Q: Calculate the weight due to ice on a transmission line where the Total weight of conductor = 3.2…

A: Given: Total weight, WT=3.2 kg/m Actual weight of conductor, Wc=1.8 kg/m Weight due to wind, Ww=0.4…

Q: c) A three phase transmission line operated at 60HZ is arranged as shown in Figure 4. The conductors…

A: The code word of the conductor is Pheasant. So according to the given appendix, diameter of the…

Q: Q4//A// Derive the formula for the internal inductance of a hollow conductor having inside radius ri…

A: Here, we have given a problem related to a hollow conductor. This hollow conductor is having the…

Q: Why is the Geometric Mean Distance (GMD) of two different conductors the same in a transmission line…

A: We have given the following problem

Q: 1. Find the GMR and GMD of the given stranded conductor with radius 1.3cm.

A: In this question, Find the GMR and GMD if radius of the conductor r= 1.3cm

Q: A 3-phase transmission line using 20 mm diameter conductor. When these conductors are placed at the…

A: the conductors are placed at corners of equilateral triangle means the system is symmetrical in…

Q: A three-phase 60-hz transmission line has its conductors arranged in a triangular formation so that…

A: The diameter of ACSR Rook is given as 0.977 inc The capacitance to neutral is given as Cn=2πk0lnDr…

Q: Three conductors (bundles) each of GMR, - 6 mm are placed at the heads of an equilateral triangle…

A: In the question, Individual GMR is given = 6mm Space between each group 10cm= 0.1m What is the…

Q: Q2. A 3-phase, 132 KV, 50 Hz , 100 Km, single circuit bundle conductor transmission line as shown in…

A: In this question, find the inductance of the transmission line as per given system. We know…

Q: The diagram below (not to scale) shows a symmetrical arrangement of conductors in a 700m long…

Q: The conductor configuration of a bundled single-phase overhead transmission line is shown in Figure…

A: Consider the conductor configuration of a bundled single-phase overhead transmission line as shown…

Q: 7. Two towers of height 40 m and 30 m respectively support a transmission line conductor at water…

Q: A three-phase transmission line is designed to deliver 190.5-MVA at 220- kV over a distance of 63…

Q: if the conductor diameter decreases, inductance of the line is _______?

A: Although formula formula for inductance is given by L=(4π×10-7)lnd0.7788r (For…

Q: With a neat diagram show the reflections occurring in a transmission line. Hence explain the…

Q: Calculate the weight due to ice on a transmission line where the Total weight of conductor = 3.6…

A: Total weight of conductor is given, wt=3.6 kg/m Actual weight of conductor is, w=1.6 kg/m Weight due…

Q: la. Two conductors of a single phase line, each of 2 cm diameter, are arranged in a vertical plane…

A: Given values, Vertical distance between two conductor is 120 cm Identical line spaced horizontal at…

Q: Q3. For the Figure below, find the inductance per km of a transposed double circuit three- phase…

Q: An 8000 V, 60 Hz, single-phase, transmission line consists of two hard-drawn aluminum conductors…

A: Given Data: Resistivity at given temperature = 2.83 x 10-8 r = 0.02 m L = 30 km

Q: A three phase overhead transmission line has its conductors arranged at the corners of an…

A: According to question: The capacitance 'C' of each line per km is calculated as

Q: A three-phase transmission line is designed to deliver 190.5 MVA at 220 kV over a distance of 63…

A: Dear student as per our guidelines we are supposed to solve only one question in which it should…

Q: The conductor shown in the figure below is composed of five strands. The diameter of each strand is…

A: Five strands Diameter D= 2.5mm GMR= geometric mean radius?

Q: 1.10 A 60-Hz, three-phase three-wire overhead line has solid cylindrical conductors arranged in the…

A: In this question, 3 conductors are arranged in form of an equilateral triangle with 4-ft conductor…

Q: Q2. A 3-phase, 132 KV, 50 Hz , 100 Km, single circuit bundle conductor transmission line as shown in…

Q: A) Two conductors of a single phase line, each of 1 cm diameter, are arranged in a vertical plane…

A: Given, Two conductors of a single phase line are arranged in a vertical plane with one conductor…

Concept explainers

Types of Charge Carriers

A carrier is a type of object which carries a particular thing from one point to another point. For instance, people use different vehicles from one place to another, and the vehicle carries those people and acts as a carrier.

Question

Ex :- A stranded conductor consists of seven identical strands each having a radius r
as shown. Determine the GMR of the conductor in terms of r.
7
3/3

Expert Solution

This question has been solved!

Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.

This is a popular solution!

SEE SOLUTION Check out a sample Q&A here

Step 1

VIEW

Step 2

VIEW

Trending now

This is a popular solution!

Step by step

Solved in 2 steps with 2 images

SEE SOLUTION Check out a sample Q&A here

Knowledge Booster

Types of Semiconductor Material and Its Energy Band Analysis

Learn more about

Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, electrical-engineering and related others by exploring similar questions and additional content below.

Similar questions

Find the GMR of a stranded conductor consisting of six outer strands surrounding and touching one central strand, all strands having the same radius r.
Determine the GMR of each of the unconventional stranded conductors shown in Figure 4.30. All strands have the same radius r.
Consider a 3-phase, 50 HZ, 11 KV distribution system. Each of conductors is suspended by an insulator string having two identical porcelain insulators. The self-capacitance of the insulator is 5 times the shunt capacitance between link and ground. Find the voltages across two insulators.
12. There are 6 conductors in a double circuit line. Each conductor has a radius of 12 mm. The 6conductors are arranged horizontally. The center to center distance between the conductor is 2m. The sequence of conductors are from left to right as follows: a,b.c,a', b', c'. Calculate the inductance per km per phase of system. the a' 2 m 2 m 2 m 2 m 2 m
Q1) Find the string efficiency of each line of a 3-phase is hung by a 3 strings of insulators. Each insulator has (C) Farads. The shunt capacitance of metal is 0.5 C to earth and of 0.2 C to the line, and the line a guard ring increases the capacitance to the line of the lowest insulator to 0.6 C.
The conductor shown in the figure below is composed of five strands. The diameter of each strand is 2.5 mm. Find the GMR (Geometric mean radius) of the conductor.
The diameter of an ACSR conductor is 1.1116 inches. The steel core has strands of diameters of 0.1291 inches each. If 54 Aluminum strands have the diameters of 0.1351 inches each, the number of Steel strands is: O A. 15 O B. None of choices are correct O C. 19 O D.7 O E. 27
The geometric mean radius of a conductor, having four equal strands with each strand of radius 'r', as shown in the figure below, is r
A single core lead covered cable is to be designed for 68 kV(peak value) toearth. Its conductor diameter is 2 cm and its three insulating materials havepermittivities of 5, 4 and 3 respectively with the corresponding maximumsafe working stress of 38 kV/cm (r.m.s), 26 kV/cm (r.m.s) and 20 kV/cm(r.m.s) respectively. Find the minimum diameter of lead sheath.
A 30 kV single core cable has a conductor dimeter of 2 cm and a sheath of inside diameter 6 cm. Find the maximum (peak value) and minimum stress (peak value) in the insulation.
The diameter of an ACSR conductor is 1.162 inches. The steel core has 7 strands of diameter 0.1291 inches each. If Aluminum strands have the same diameter as that of a steel strand, the number of Aluminum strands is: O A. None of choices are correct O B. 36 O C. 74 O D. 54 O E. 45
A three phase, 11 KV, underground cable system, consider a single core of conductor radius 0.5 cm diameter and lead sheath of 1.25 cm. The core and lead sheath have been separated by two intersheaths with radius 0.75 cm and 1 cm. Draw the cable core, dielectric and intersheath layers showing the thickness of each layer, then determine the voltages on the both intersheaths. Suppose the maximum stress on the layers are the same.