جامعة التقنية والعلوم التطبيقية Tutorials صحار University of Technology Suhar and Applied Sciences 7. A three-phase, 60-Hz transposed transmission line has a flat horizontal con- figuration as shown in Figure The line reactance is 0.486 per kilo- meter. The conductor geometric mean radius is 2.0 cm. Determine the phase spacing D in meters. a b D D 2D C = 0.0556 14 KN

جامعة التقنية والعلوم التطبيقية Tutorials صحار University of Technology Suhar and Applied Sciences 7. A three-phase, 60-Hz transposed transmission line has a flat horizontal con- figuration as shown in Figure The line reactance is 0.486 per kilo- meter. The conductor geometric mean radius is 2.0 cm. Determine the phase spacing D in meters. a b D D 2D C = 0.0556 14 KN

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 4.3MCQ: Alumoweld is an aluminum-clad steel conductor. True False

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Alumoweld is an aluminum-clad steel conductor. True False
Three ACSR Drake conductors are used for a three-phase overhead transmission line operating at 60 Hz. The conductor configuration is in the form of an isosceles triangle with sides of 20, 20, and 38 ft. (a) Find the capacitance-to-neutral and capacitive reactance-to-neutral for each 1-mile length of line. (b) For a line length of 175 mi and a normal operating voltage of 220 kV, determine the capacitive reactance-to-neutral for the entire line length as well as the charging current per mile and total three-phase reactive power supplied by the line capacitance.
3-phase single circuit bundled conductor line with two sub-conductors per phase has horizontalspacing with 6.1 m between the centre lines of adjacent phases. The distance between the subconductorsof each phase is 30.5 cm and each sub-conductor has a diameter of 2.54 cm. Find theinductance per phase per km. [0.988 mh]
Three conductors of a 3-phase overhead line are arranged in a horizontal plane 6 m apart. The diameter of each conductor is 1·24 cm. Find the capacitance of each conductor to neutral per 100 km of the line.
2. A three-phase 60-hz transmission line has its conductors arranged in a triangular formation so that two of the distances between conductors are 20 ft 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.
Please provide Handwritten answer
4/ Which parameter is neglected or ignored in Short Transmission Lines? A. SHUNT CAPACITANCE ONLY B. SERIES CONDUCTANCE AND SHUNT CAPACITANCE C. SHUNT CONDUCTANCE AND SHUNT CAPACITANCE D. SHUNT CONDUCTANCE ONLY
In nominal-T method of medium transmission line what is the assumption about the capacitance
The conductor of a single-phase 60-Hz line is a solid round aluminum wire having a diameter of 0.412 cm. The conductor spacing is 3 m. Determine the inductance of the line in millinery’s per mile. How much of the inductance is due to internal flux linkages? Assume skin effect is negligible.
The conductor of a single-phase 60-Hz line is a solid round aluminum wire having a diameter of 0.412 cm. The conductor spacing is 3 m. Determiņe the inductance of the line in millihenrys per mile. How much of the inductance is due to internal flux linkages? Assume skin effect is negligible.
A 60 Hz, three-phase, transposed transmission line, is designed with three bobolink conductors per phase, in horizontal arrangement as shown in the figure below. Distance between consecutive phases is D = 6.2 m and distance among bundle conductors is h =0.5m. Each conductor has a radius of 18 mm and a GMR of 14.39mm. The per phase resistance is 1.677x10-5 2/m. r= 18 mm GMR= 14.39 mm a b h D D The per phase shunt admittance assuming zero conductance in µO/km is: О a., 5.4347 O b. j5.3316 О с /4.2266 O d. j4.0973 O e. 59630.2922 + j10.9770
Find 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 0.49