1 Introduction 2 Fundamentals 3 Power Transformers 4 Transmission Line Parameters 5 Transmission Lines: Steady-state Operation 6 Power Flows 7 Symmetrical Faults 8 Symmetrical Components 9 Unsymmetrical Faults 10 System Protection 11 Transient Stability 12 Power System Controls 13 Transmission Lines: Transient Operation 14 Power Distribution Chapter4: Transmission Line Parameters
Chapter Questions Section: Chapter Questions
Problem 4.1MCQ: ACSR stands for Aluminum-clad steel conductor Aluminum conductor steel supported Aluminum conductor... Problem 4.2MCQ: Overhead transmission-line conductors are bare with no insulating cover. (a) True (b) False Problem 4.3MCQ: Alumoweld is an aluminum-clad steel conductor. True False Problem 4.4MCQ: EHV lines often have more than one conductor per phase; these conductors are called a _________. Problem 4.5MCQ: Shield wires located above the phase conductors protect the phase conductors against lightning. True... Problem 4.6MCQ: Conductor spacings, types, and sizes do have an impact on the series impedance and shunt admittance.... Problem 4.7MCQ: A circle with diameter Din.=1000Dmil=dmil has an area of ___________ c mil. Problem 4.8MCQ: An ac resistance is higher than a dc resistance. True False Problem 4.9MCQ Problem 4.10MCQ: Transmission line conductance is usually neglected in power system studies. True False Problem 4.11MCQ Problem 4.12MCQ Problem 4.13MCQ: For a single-phase, two-wire line consisting of two solid cylindrical conductors of same radius, r,... Problem 4.14MCQ: For a three-phase three-wire line consisting of three solid cylindrical conductors each with radius... Problem 4.15MCQ: For a balanced three-phase positive-sequence currents Ia,Ib,Ic, does the equation Ia+Ib+Ic=0 hold... Problem 4.16MCQ: A stranded conductor is an example of a composite conductor. True False Problem 4.17MCQ: lnAk=lnAk True False Problem 4.18MCQ Problem 4.19MCQ: Expand 6k=13m=12Dkm. Problem 4.20MCQ Problem 4.21MCQ: For a single-phase two-conductor line with composite conductors x and y, express the inductance of... Problem 4.22MCQ: In a three-phase line, in order to avoid unequal phase inductances due to unbalanced flux linkages,... Problem 4.23MCQ: For a completely transposed three-phase line identical conductors, each with GMR denoted DS with... Problem 4.24MCQ Problem 4.25MCQ: Does bundling reduce the series reactance of the line? Yes No Problem 4.26MCQ: Does r=e14r=0.788r, which comes in calculation of inductance, play a role in capacitance... Problem 4.27MCQ: In terms of line-to-line capacitance, the line-to-neutral capacitance of a single-phase transmission... Problem 4.28MCQ: For either single-phase two-wire line or balanced three-phase three-wire line with equal phase... Problem 4.29MCQ Problem 4.30MCQ Problem 4.31MCQ Problem 4.32MCQ Problem 4.33MCQ Problem 4.34MCQ Problem 4.35MCQ: The affect of the earth plane is to slightly increase the capacitance, and as the line height... Problem 4.36MCQ: When the electric field strength at a conductor surface exceeds the break-down strength of air,... Problem 4.37MCQ Problem 4.38MCQ Problem 4.39MCQ: Considering two parallel three-phase circuits that are close together, when calculating the... Problem 4.1P: The Aluminum Electrical Conductor Handbook lists a dc resistance of 0.01558 ohm per 1000 ft at 20C... Problem 4.2P: The temperature dependence of resistance is also quantified by the relation R2=R1[ 1+(T2T1) ] where... Problem 4.3P: A transmission-line cable with a length of 2 km consists of 19 strands of identical copper... Problem 4.4P: One thousand circular mils or 1 kcmil is sometimes designated by the abbreviation MCM75C. Data for... Problem 4.5P: A 60-Hz, 765-kV, three-phase overhead transmission line has four ACSR 900 kcmil 54/3 conductors per... Problem 4.6P: A three-phase overhead transmission line is designed to deliver 190.5 M VA at 220 kV over a distance... Problem 4.7P: If the per-phase line loss in a 70-km-long transmission line is not to exceed 65 kW while it is... Problem 4.8P: A 60-Hz, single-phase two-wire overhead line has solid cylindrical copper conductors with a 1.5 cm... Problem 4.9P Problem 4.10P: A 60-Hz, three-phase three-wire overhead line has solid cylindrical conductors arranged in the form... Problem 4.11P Problem 4.12P: Find the inductive reactance per mile of a single-phase overhead transmission line operating at 60... Problem 4.13P: A single-phase overhead transmission line consists of two solid aluminum conductors having a radius... Problem 4.14P Problem 4.15P: Find the GMR of a stranded conductor consisting of six outer strands surrounding and touching one... Problem 4.16P Problem 4.17P: Determine the GMR of each of the unconventional stranded conductors shown in Figure 4.30. All... Problem 4.18P: A 230-kV, 60-Hz, three-phase completely transposed overhead line has one ACSR 954 kcmil conductor... Problem 4.19P Problem 4.20P: Calculate the inductive reactance in /km of a bundled 500-kV, 60-Hz, three-phase completely... Problem 4.21P: Rework Problem 4.20 if the bundled line has (a) three ACSR, 1351 kcmil conductors per phase or (b)... Problem 4.22P Problem 4.23P Problem 4.24P Problem 4.25P: For the overhead line of configuration shown in Figure 4.33 operating at 60 Hz and a conductor... Problem 4.26P Problem 4.27P: Figure 4.34 shows double-circuit conductors' relative positions in segment I of transposition of a... Problem 4.28P: For the case of double-circuit, bundle-conductor lines, the same method indicated in Problem 4.27... Problem 4.29P Problem 4.31P: Figure 4.37 shows the conductor configuration of a three-phase transmission line and a telephone... Problem 4.32P Problem 4.33P Problem 4.34P Problem 4.35P Problem 4.36P Problem 4.38P Problem 4.39P: Calculate the capacitance-to-neutral in F/m and the admittance-to-neutral in S/km for the... Problem 4.40P Problem 4.41P Problem 4.42P Problem 4.43P: Three ACSR Drake conductors are used for a three-phase overhead transmission line operating at 60... Problem 4.44P: Consider the line of Problem 4.25. Calculate the capacitive reactance per phase in mi. Problem 4.45P Problem 4.46P Problem 4.47P Problem 4.48P: The capacitance of a single-circuit, three-phase transposed line with the configuration shown in... Problem 4.49P Problem 4.50P Problem 4.51P Problem ACSQ: Approximately how many physical transmission interconnections are there between the United States... Problem BCSQ Problem CCSQ Problem DCSQ Problem 4.2P: The temperature dependence of resistance is also quantified by the relation R2=R1[ 1+(T2T1) ] where...
Related questions
For the circuits shown below, determine the sense/return mechanisms , feedback factor k, and the closed-loop gain
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Branch of science that deals with the stationary and moving bodies under the influence of forces.
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