1. A 2-wire d.c. distributor A B is fed at both ends at the same voltage of 230 V. The length of the distributor is 500 metres and the loads are tapped off from the end A as shown below : Load : Distance : If the maximum voltage drop of 5:5 V is to be allowed, find the X-sectional area of each conductor and point of minimum potential. Specific resistance of conductor material may be taken as 1:73 × 10Q..| 100 A 60 A 40 A 100 A 250 m 400 m 50 m 150 m [1-06 cm ; 250 m from A]

1. A 2-wire d.c. distributor A B is fed at both ends at the same voltage of 230 V. The length of the distributor is 500 metres and the loads are tapped off from the end A as shown below : Load : Distance : If the maximum voltage drop of 5:5 V is to be allowed, find the X-sectional area of each conductor and point of minimum potential. Specific resistance of conductor material may be taken as 1:73 × 10Q..| 100 A 60 A 40 A 100 A 250 m 400 m 50 m 150 m [1-06 cm ; 250 m from 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 4.1P: The Aluminum Electrical Conductor Handbook lists a dc resistance of 0.01558 ohm per 1000 ft at 20C...

See similar textbooks

Similar questions

An ac resistance is higher than a dc resistance. True False
A 415 single core cable has a conductor diameter of 0.5 cm and a sheath of inside diameter 3 cm. In cable insulation, find: (i) minimum stress (in V/cm); (ii) maximum stress in (V/cm); (iii) Describe where these minimum and maximum stress will occur in cable insulation?; (iv) Suggest what should be the minimum dielectric strength (in V/mm) of the cable insulation to avoid any breakdown of the given cable
5. A 2-wire DC ring distributor is 375m long and is fed with 300V at point A. At point B, 200m from A, load of 150A is taken and at point C, 100m in the opposite direction, a load of 100A is taken. If the resistance per 100m of single conductor is 0.03, find: i. Current in each section of distributor ii. Voltage at points B and C iii. Point of minimum potential
A lead conductor is 5cm in length and 8 sq. cm in cross-sectional area. The terminals to be joined by this conductor are 8 cm apart. Hence, the conductor was pounded and reshaped until it is 8 cm long. If the resulting conductor has uniform cross-sectional area, determine the resistance. Resistivity of leads is 22x10^-8 Ω-m.
A 3-wire d.c. distributor, 250 m long, is supplied at end P at 500/250 V and is loaded as under : Positive side : 20 A, 150 m from P ; 30 A, 250 m from P Negative side : 24 A, 100 m from P ; 36 A, 220 m from P The resistance of each outer wire is 0·02 Ω per 100 m and the cross-section of the middle wire is one half that of the outer. Find the voltage across each load point.
The diameter of a cylindrical conductor A is 6 mm, and its length is 2 m. The diameter and length of a cylindrical conductor B of the same material as A arel3 mm and 1 m. The resistance of conductor B is 0.02 Determine resistance of conductor A, its temperature being the same as that of B.
A lead conductor is 5cm in length and 8 sq. cm in cross-sectioned area. The terminals to be joined by this conductor are 8 cm apart. Hence, the conductor was pounded and reshaped until it is 8 cm long. If the resulting conductor has uniform cross-sectional area, determine the resistance. Resistivity of lead is 22x10^-8 Ω-m.
In your own words, define a. an ideal conductor; b. an ideal voltage source; c. an ideal current source.
1-Which type of power supply is required to power up a LVDT? does not matter AC no power supply required DC 2- In a flat-film strain gage having a rectangular cross section, if the thickness of the film is reduced by 20%, while all other parameters are kept constant, what is the ratio of the new resistance to the old resistance value?
Identify and discuss the factorsthat affect the resistance of aconductor. Based on these factors,recommend certain characteristicsof a good conductor.
Theoretically solve an unknown resistance for Transmission line conductor by using any two methods (for example: Wheatstone bridge, Kelvin bridge, Potentiometer method etc). And then compare them and state that between in this two used methods which one is better and why. [Note: You can choose any practical value for ratio arms]
The diameter of a cylindrical conductor A is 6.0 mm, and its length is 2.0m. The diameter and length of a cylindrical conductor B of the same material as A are 3.0 mm and 1.0 m. The resistance of conductor B is 0.02 ohm. Determine resistance of conductor A, its temperature being the same as that of B.