A 200 km, 3-phase transmission line has its conductors placed at the corners of an equilateral triangle of 2·5 m side. The radius of each conductor is 1 cm. Calculate:(i) line to neutral capacitance of the line,(ii) charging current per phase if the line is maintained at 66 kV, 50 Hz. 2. A 200 km, 3-phase transmission line has its conductors placed at the corners of an equilateraltriangle of 2-5 m side. The radius of each conductor is 1 cm. Calculate:(i) line to neutral capacitance of the line,(ii) charging current per phase if the line is maintained at 66 kV, 50 Hz.(1) 2-02 µF (ii) 24·2 A]

Answered: Image /qna-images/answer/481d8454-440f-44a7-a7e4-5ae21cac74f8.jpg

2. A 200 km, 3-phase transmission line has its conductors placed at the corners of an equilateral triangle of 2-5 m side. The radius of each conductor is 1 cm. Calculate: (i) line to neutral capacitance of the line, (ii) charging current per phase if the line is maintained at 66 kV, 50 Hz. (1) 2-02 µF (ii) 24·2 A]

2. A 200 km, 3-phase transmission line has its conductors placed at the corners of an equilateral triangle of 2-5 m side. The radius of each conductor is 1 cm. Calculate: (i) line to neutral capacitance of the line, (ii) charging current per phase if the line is maintained at 66 kV, 50 Hz. (1) 2-02 µF (ii) 24·2 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 4.9MCQ

See similar textbooks

Similar questions

2.5 A 3-phase single circuit bundled conductor line with two sub-conductors per phase has horizontal spacing with 6.1 m between the centre lines of adjacent phases. The distance between the sub- conductors of each phase is 30.5 cm and each sub-conductor has a diameter of 2.54 cm. Find the inductance per phase per km. [0.988 mH]
2m 2m 1.8m 1.7m e) The diagram above shows the spacing of a 66 kV, 50 Hz, 3-phase line which is mounted on wooden poles. The radius of each conductor is 25mm and Eo is 8.854x1012 F/m. Calculate: (i) Find the average capacitance between each phase and neutral. (ii) The associated capacitive reactance for: of line. Paper Ma2021
The conductors of a 10 km long, single phase, two wire line are seperated by a distance of 1.5 m. The diameter of each conductor is 1 cm. If the conductors are of copper, the inductance of the circuit is ??
A 115 kv line has a horizontal configuration. The distance between adjacent conductors is 9ft. What is the geometric mean distance of the line?
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
Three conductors of a 3-phase overhead line are arranged in a horizontal plane in the order a-b-c, distance between a and b is 6 m, b and c is spaced 6 m apart. The diameter of each line conductor is 2.5 cm. Calculate the Capacitance per phase per km (L1) for this arrangement. Calculate Capacitance per phase per km(L2) if the spacing between the conductors are reduced by half. Calculate the Ratio of C2 with respect to C1. Capacitance in nF per Phase per Km for Arrangement 1 (C1) Capacitance in nF per phase per km for Arrangement 2 (C2) Ratio of C2 to C1
1- A single phase line has two parallel conductors 3m apart. The radius of each conductor is 1.2 cm. calculate the loop inductance per km of the line. 2- A single phase line has two parallel conductors 4m apart. The radius of each conductor is 2m. Calculate the capacitance per km of the line.
Three Conductors of a 3-phase line are arranged at the corners of a triangle of sides A=2 m, B=2 m, and C=4 m. The diameter of each line conductor is 1.45 cm. a) Calculate the Capacitance per phase per km (C1) in nanofarad for this arrangement. b) Calculate capacitance per phase per km(C2) in nanofarad if the conductor if the spacing is doubled. c) Calculate the Ratio of C2 with respect to С1. a) b) c)
Question 1: The spacing for a 3-phase horizontally spaced line operating at 50 Hz, 132 kV, is 1.6 m between adjacent conductors. The diameter of each conductor is 0.8 cm. Determine the capacitance to neutral for the lines, and also the line charging current. Question 2:
Three Conductors of a 3-phase line are arranged at the corners of a triangle of sides A=2 m, B=3 m, and C=4 m. The diameter of each line conductor is 1.35 cm. a) Calculate the Capacitance per phase per km (C1) in nanofarad for this arrangement. b) Calculate capacitance per phase per km(C2) in nanofarad if the conductor if the spacing is doubled. c) Calculate the Ratio of C2 with respect to C1.
Assume that a single-conductor belted cable has a conductor diameterof 0.681 in., inside diameter of sheath of 1.7025 in., and a length of8000 ft. The cable is to be operated at 12.47 kV. The dielectricconstant is 4.5, and the power factor of the dielectric at a ratedfrequency and temperature is 0.05. Calculate the following:(a) Capacitance of cable.(b) Charging current.(c) Dielectric loss of cable.(d) Equivalent resistance of insulation.
Three conductors of a 3-phase overhead line are arranged in a horizontal plane in the order a-b-c, distance between a and b is 6 m, b and c is spaced 6 m apart. The diameter of each line conductor is 1.5 cm. Calculate the Inductance per phase per km (L1) for this arrangement. Calculate Inductance per phase per km(L2) if the spacing between the conductors are reduced by half. Calculate the Ratio of L2 with respect to L1.