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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Question
Chapter 4, Problem 4.23P
To determine
(a)
Inductance per phase in mH/km and mH/mi.
To determine
(b)
Inductive reactance per phase in ohm/mi at 60 Hz.
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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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Similar questions
- In terms of line-to-line capacitance, the line-to-neutral capacitance of a single-phase transmission line is Same Twice One-halfarrow_forwardA 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?arrow_forwardThe 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_forward
- A three phase transposed line has a flat horizontal conductor configuration as shown in the figure. The conductors have a diameter of 3.4 cm and a GMR of 1.35 cm. Find the inductance and capacitance per phase per kilometer of the line. -D =1.2 m -D = 1.2 m · -2D = 2.4 m-arrow_forwardQ1: 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.arrow_forwardQ3: A single circuit three-phase transmission line is composed of four ACSR conductors per phase with the horizontal configuration as shown in the figure below. Find the inductance per km length of the transmission line. The radius of each conductor in the bundle is 1.25 cm. O0.5 m Q0.5 O0.5 m 4 marrow_forward
- A double-circuit its capacitance to neutral per mile. line is shown below. The conductor radius is 0.0452 ft. Determine 16' 16' a b 22' c' b' a'arrow_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_forwardmoodle.nct.edu.om/mod rning Portal Courses - Reports - e-Services - Academic Departments ETC - CIMS - 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 A 3-phase, 50 Hz, 60 km long overhead line supplies 1400 kW at 11 kV, 0.7 p.f. lagging. The line resistance is 0.025 Q per phase per km and line inductance is 0.8 mH per phase per km. Calculate the sending end voltage voltage regulation and efficiency of transmission. Sending End Voltagearrow_forward
- a) 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. b) The distance between conductors of a single-phase line is 3 m. Each conductor is composed of five strands as shown above. Find the inductance of the line.arrow_forward4.8 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 link- ages, and (c) the total inductance of the line.arrow_forwardCalculate the capacitance per km per phase for a 3 phase, 50Hz, double circuit line shown in figure below. Each conductor has a diameter of 25mm and subconductor spacing 0,3m. the line is completely transposed. 0.3m 6 m 6marrow_forward
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