POWER SYSTEM ANALYSIS+DESIGN-EBK >I<
6th Edition
ISBN: 9781337259170
Author: Glover
Publisher: INTER CENG
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Textbook Question
Chapter 4, Problem 4.12P
Find the inductive reactance per mile of a single-phase overhead transmission line operating at 60 Hz given the conductors to be Partridge and the spacing between centers to be 30 ft.
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Chapter 4 Solutions
POWER SYSTEM ANALYSIS+DESIGN-EBK >I<
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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- Shield wires located above the phase conductors protect the phase conductors against lightning. True Falsearrow_forwardFind the inductive reactance per mile of a single-phase line operating at 50 Hz. The conductor has a GMR of D, 0.0217 ft, and spacing GMD is 15 ft between centers. O 0.41 O 0.66 O 0.79 O 0.49arrow_forwardFind the inductive reactance per phase in ohms per mile, and the capacitativereactance to neutral in ohm-miles for a three-phase line that has three equilaterallyspaced conductors of ACSR Dove. The conductors are 10 feet apart, and the operating frequency is 60 Hz. The GMR of the Dove conductor is r0 = 0.0313 feet andthe radius of the Dove conductor is r = 0.4635 inches. (GMR stands for geometricmean radius and r0is the equivalent radius that is adjusted to account for the fluxlinked inside the wire in inductance calculations.arrow_forward
- A three-phase 60-Hz transmission line has its conductors arranged in a triangular formationso that two of the distances between conductors are 25 ft. and the third distance is 42 ft.The conductors are ACSR Osprey. Determine the inductance and inductive reactance perphase per mile.arrow_forwarda) 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_forwardDerive the equation of Capacitance per phase for the 3-phase double circuit line with hexagonal spacing. (transposition of conductors is not required)arrow_forward
- Calculate 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_forwardQ2/The Double circuit 3-phase overhead transmission line has spacing as shown in the figure below. The phase sequence is ABC is completely transposed. The radius of conductor is 1.8 cm. Determine the inductance phase per kilometer and for 50 km and 50 Hz frequency find the inductive impedance? 12 m a 4 m by 4marrow_forwardA single circuit three-phase line operated at 60 Hz is arranged as shown in figure. The conductors are ACSR Drake. Find the inductive reactance per phase per mile. Use the required values from table. 20 ft 20 ft 38 ft Inductance and capacitance is given for above mentioned line. Design a transmission line of same length with minimum reactance keeping in view the following factors, Bundling of conductors Type of conductor Height of conductor Cross sectional area of conductor Use best possible parameters to justify your design and compare your results with given line.arrow_forward
- A three phase system with Dab Dbc one conductor per phase as shown in the figure. The conductors are stranded and spaced as shown, (Dab=Dbc=4m). The outside diameter of the phase conductor is 2cm. The GMR of the phase conductor is 0.7788 cm. The value of inductance per phase is: Select one: O a. (1.2445 * 10A-3) mH/km O b. (1.1559 * 10^-6) H/m O c. (1.4562 * 10A-6) H/m O d. (1.2945 * 10A-6) H/m O e. (1.2445 * 10A-6) H/marrow_forwardQ/ Determine the inductance per phase per Km for a three phase double-circuit line whose phase conductors have a diameter of 10cm with the horizontal conductor arrangement as shown in Figure below and for 100km what is the impedance of inductive if frequency is 50 Hz ? 6m 6m 6m 6m 6m B. Aarrow_forward51) Find the approximate inductive reactance of a three-phase bundled conductor line with 2 conductors per phase with spacing of 40 cm. Phase to phase separation is 7 m in horizontal configuration. All conductors are ACSR with diameter of 3.5 cm. Assume f = 50 Hz. A. 0.3 2/km* B. 0.4 0/km C. 0.5 02/km D. 0.6 0/kmarrow_forward
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