Power System Analysis and Design (MindTap Course List)
6th Edition
ISBN: 9781305632134
Author: J. Duncan Glover, Thomas Overbye, Mulukutla S. Sarma
Publisher: Cengage Learning
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Chapter 4, Problem 4.13P
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
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A single-phase transmission line consisting
of two conductors, the radius of each
conductor is 0.4 cm, the distance between
the conductors is three and half meters and
the height above ground is eight
1-The capacitance in uF/km without effect
of ground is 2-The capacitance in pF/km
with effect of ground is
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]
A 10 km long three phase line having a diameter of 2.5 mm conductors is arranged symmetrically with a spacing of 2 m. So find the inductance per phase and capacitance per phase.
Chapter 4 Solutions
Power System Analysis and Design (MindTap Course List)
Ch. 4 - ACSR stands for Aluminum-clad steel conductor...Ch. 4 - Overhead transmission-line conductors are bare...Ch. 4 - Alumoweld is an aluminum-clad steel conductor....Ch. 4 - EHV lines often have more than one conductor per...Ch. 4 - Shield wires located above the phase conductors...Ch. 4 - Conductor spacings, types, and sizes do have an...Ch. 4 - A circle with diameter Din.=1000Dmil=dmil has an...Ch. 4 - An ac resistance is higher than a dc resistance....Ch. 4 - Prob. 4.9MCQCh. 4 - Transmission line conductance is usually neglected...
Ch. 4 - Prob. 4.11MCQCh. 4 - Prob. 4.12MCQCh. 4 - For a single-phase, two-wire line consisting of...Ch. 4 - For a three-phase three-wire line consisting of...Ch. 4 - For a balanced three-phase positive-sequence...Ch. 4 - A stranded conductor is an example of a composite...Ch. 4 - lnAk=lnAk True FalseCh. 4 - Prob. 4.18MCQCh. 4 - Expand 6k=13m=12Dkm.Ch. 4 - Prob. 4.20MCQCh. 4 - For a single-phase two-conductor line with...Ch. 4 - In a three-phase line, in order to avoid unequal...Ch. 4 - For a completely transposed three-phase line...Ch. 4 - Prob. 4.24MCQCh. 4 - Does bundling reduce the series reactance of the...Ch. 4 - Does r=e14r=0.788r, which comes in calculation of...Ch. 4 - In terms of line-to-line capacitance, the...Ch. 4 - For either single-phase two-wire line or balanced...Ch. 4 - Prob. 4.29MCQCh. 4 - Prob. 4.30MCQCh. 4 - Prob. 4.31MCQCh. 4 - Prob. 4.32MCQCh. 4 - Prob. 4.33MCQCh. 4 - Prob. 4.34MCQCh. 4 - The affect of the earth plane is to slightly...Ch. 4 - When the electric field strength at a conductor...Ch. 4 - Prob. 4.37MCQCh. 4 - Prob. 4.38MCQCh. 4 - Considering two parallel three-phase circuits that...Ch. 4 - The Aluminum Electrical Conductor Handbook lists a...Ch. 4 - The temperature dependence of resistance is also...Ch. 4 - A transmission-line cable with a length of 2 km...Ch. 4 - One thousand circular mils or 1 kcmil is sometimes...Ch. 4 - A 60-Hz, 765-kV, three-phase overhead transmission...Ch. 4 - A three-phase overhead transmission line is...Ch. 4 - If the per-phase line loss in a 70-km-long...Ch. 4 - A 60-Hz, single-phase two-wire overhead line has...Ch. 4 - Prob. 4.9PCh. 4 - A 60-Hz, three-phase three-wire overhead line has...Ch. 4 - Prob. 4.11PCh. 4 - Find the inductive reactance per mile of a...Ch. 4 - A single-phase overhead transmission line consists...Ch. 4 - Prob. 4.14PCh. 4 - Find the GMR of a stranded conductor consisting of...Ch. 4 - Prob. 4.16PCh. 4 - Determine the GMR of each of the unconventional...Ch. 4 - A 230-kV, 60-Hz, three-phase completely transposed...Ch. 4 - Prob. 4.19PCh. 4 - Calculate the inductive reactance in /km of a...Ch. 4 - Rework Problem 4.20 if the bundled line has (a)...Ch. 4 - Prob. 4.22PCh. 4 - Prob. 4.23PCh. 4 - Prob. 4.24PCh. 4 - For the overhead line of configuration shown in...Ch. 4 - Prob. 4.26PCh. 4 - Figure 4.34 shows double-circuit conductors'...Ch. 4 - For the case of double-circuit, bundle-conductor...Ch. 4 - Prob. 4.29PCh. 4 - Figure 4.37 shows the conductor configuration of a...Ch. 4 - Prob. 4.32PCh. 4 - Prob. 4.33PCh. 4 - Prob. 4.34PCh. 4 - Prob. 4.35PCh. 4 - Prob. 4.36PCh. 4 - Prob. 4.38PCh. 4 - Calculate the capacitance-to-neutral in F/m and...Ch. 4 - Prob. 4.40PCh. 4 - Prob. 4.41PCh. 4 - Prob. 4.42PCh. 4 - Three ACSR Drake conductors are used for a...Ch. 4 - Consider the line of Problem 4.25. Calculate the...Ch. 4 - Prob. 4.45PCh. 4 - Prob. 4.46PCh. 4 - Prob. 4.47PCh. 4 - The capacitance of a single-circuit, three-phase...Ch. 4 - Prob. 4.49PCh. 4 - Prob. 4.50PCh. 4 - Prob. 4.51PCh. 4 - Approximately how many physical transmission...Ch. 4 - Prob. BCSQCh. 4 - Prob. CCSQCh. 4 - Prob. DCSQ
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- 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 Falsearrow_forwardEach phase of a transmission line is a bundle of 4 conductors that form a square with all sides equal to d=33 cm. Each conductor is stranded and has GMR = 0.5 cm. Find GMR of the bundle to be used in inductance calculations. Express your answer in cm with 2 digits after decimal pointarrow_forwardA 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 C D D 2D Select one: O a 0.0088 microF/Km Ob. 0.0077 microF/Km Oc 1.455 microF/Km Od. None of thesearrow_forward
- I need the answer as soon as possiblearrow_forwardA single-phase transmission line consisting of two conductors, the radius of each conductor is 0.4 cm, the distance between the conductors is three and half meters and the height above ground is eight meter. Determine 1)The capacitance in uF/km without effect of ground 2)The capacitance in uF/km with effect of groundarrow_forwardSolve this 2 problem in detailarrow_forward
- answer it i will ratearrow_forwardA. For the following figure, the diameter of each conductor is 2.5 cm. Find the inductance and capacitance per km per phase. 40 cm 40 cm 40 cm a a' b' 10 m 10 m Phase A Phase B Phase C B. A 3-ph transmission line has 3 conductors b, spaced at the corners of an equilateral triangle of 350 cm side. Each conductor has 1.2 cm diameter. 1. Find the inductance per phase. 2. If the line is constructed with horizontal spacing with suitably transposed conductors, find the spacing between the first and last conductors which would give the same value of inductance as in the equilateral arrangement.arrow_forward3-phase double circuit line has its conductors at the vertices of a regular hexagon with side3.5 m. The diameter of each conductor is 2 cm. Find the inductance per phase per km.[0.596 mh]arrow_forward
- Find the capacitance per km per phase of a 3 phase line arranged in a horizontal plane spaced 8 meters apart. The height of all conductors above the earth is 13 m. The diameter of each conductor is 2.6 cm. The line is completely transposed. Take the effect of ground into account.arrow_forwardSubject Power Transmission line and Distribution.arrow_forwardCould you solve this?!arrow_forward
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