A Three-phase transposed line is composed of one conductor per phase with flat horizontal spacing of D-14 meters, as shown in the below figure. The conductors have a diameter of 2.6 cm and a GMR of 1.012 cm. Find the capacitance per phase per kilometer of the line a D D 2D Select one: Da 0.0088 microF/Km Ob. 0.0077 microF/Km Oc1455 microF/Km icon of the

A Three-phase transposed line is composed of one conductor per phase with flat horizontal spacing of D-14 meters, as shown in the below figure. The conductors have a diameter of 2.6 cm and a GMR of 1.012 cm. Find the capacitance per phase per kilometer of the line a D D 2D Select one: Da 0.0088 microF/Km Ob. 0.0077 microF/Km Oc1455 microF/Km icon of the

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 4.8P: A 60-Hz, single-phase two-wire overhead line has solid cylindrical copper conductors with a 1.5 cm...

See similar textbooks

Similar questions

A single-phase overhead transmission line consists of two solid aluminum conductors having a radius of 3 cm with a spacing 3.5 m between centers. (a) Determine the total line inductance in mH/m. (b) Given the operating frequency to be 60 Hz, find the total inductive reactance of the line in /km and in/mi. (c) If the spacing is doubled to 7 m, how does the reactance change?
A 60-Hz, three-phase three-wire overhead line has solid cylindrical conductors arranged in the form of an equilateral triangle with 4-ft conductor spacing. The conductor diameter is 0.5 in. Calculate the positive-sequence inductance in Wm and the positive-sequence inductive reactance in /km.
A 60-Hz, single-phase two-wire overhead line has solid cylindrical copper conductors with a 1.5 cm diameter. The conductors are arranged in a horizontal configuration with 0.5 m spacing. Calculate in mH/km (a) the inductance of each conductor due to internal flux linkages only, (b) the inductance of each conductor due to both internal and external flux linkages, and (c) the total inductance of the line.
For a single-phase two-conductor line with composite conductors x and y, express the inductance of conductor x in terms of GMD and its GMR.
In terms of line-to-line capacitance, the line-to-neutral capacitance of a single-phase transmission line is Same Twice One-half
The affect of the earth plane is to slightly increase the capacitance, and as the line height increases, the effect of earth becomes negligible. True False
Conductor spacings, types, and sizes do have an impact on the series impedance and shunt admittance. True False
For the case of double-circuit, bundle-conductor lines, the same method indicated in Problem 4.27 applies with r' replaced by the bundles GMR in the calculation of the overall GMR. Now consider a double-circuit configuration shown in Figure 4.36 that belongs to a 500-kV, three-phase line with bundle conductors of three subconductors at 21 in. spacing. The GMR of each subconductor is given to be 0.0485 ft. Determine the inductive reactance of the line in ohms per mile per phase. You may use XL=0.2794logGMDGMR/mi/phase
Solve this math : A three-phase 60-hz transmission line has its conductors arranged in a triangular formation so that two of the distances between conductors are 20ft and the third is 40 ft. The conductors are ACSR Rook. Determine the capacitance to neutral in microfarads per mile and the capacitive reactance to neutral in ohm-miles. If the line is 115 mi long, find the capacitance to neutral and capacitive reactance of the line. Note: In the below i have added similer type of math and its ans.In the above math, there is just changes of values and Main Change is ACSR ROOK which is given to then question and in the below question which is solved it was ask ACSR Parakeet. So notice that. Follow This Book for help"POWER SYSTEM ANALYSISAND DESIGN;FIFTH EDITION, SI;J. DUNCAN GLOVER" Now solve the math according to the given way solve the math. "A three-phase 60-hz transmission line has its conductors arranged in a triangular formation so that two of the distances between conductors are 25…
Q1: a) Discuss the effect of earth on the capacitance of a line : b) Derive in expression for the capacitance to neutral per phase per Km of a single phase overhead transmission line, taking into account the effect of earth. c) Derive in expression for the capacitance to neutral per phase per Km of a 3- phase overhead transmission line when conductors are of equilateral spacing.
A three-phase transposed line is composed of one ACSR Bobolink conductor per phase with a horizontal spacing of 11 meters as shown in the figure. phase with a horizontal spacing of 11 meters as shown in the figure. The conductors have a diameter of 3.625 cm and a RMG of 1.439 cm. Calculate the inductance and capacitance to the neutral of the line.
Question#02: What do you understand by impedance matching? Also write the formula of characteristic impedance for a loss less line? A piece of parallel wire line has a nominal capacitance of 30 Farad/mm, and 9 Henry inductance per meter. Assume the radius of the conductor is 0.005 meter then find the distance between the two parallel wire lines in millimeter.