A three-phase, 50 Hz, 140 km long transmission line with 132 kV at the sending end, has the line constants per conductor R=2.5 , L=0.192 and C=0.25 μµF. Using the nominal -model. (a) Determine the voltage at the receiving end (b) Draw phasor diagram to show the results of part (a)

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9.24 A three-phase, 60-Hz transmission line is completely transposed. The separation distances between conductors are 7, 7, and 10 m. Each conductor has a diameter of 5 cm. The line-to-line voltage is 138 kV, and the length of the transmission line is 100 km. Determine the following: a. Capacitance per phase b. Total capacitive reactance per phase C. Charging current taken by the total capacitance of the transmission line

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.

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]

An 8000 V, 60 Hz, single-phase, transmission line consists of two hard-drawn aluminumconductors with a radius of 2 cm spaced 1.2 m apart. If the transmission line is 30 km longand the temperature of the conductors is 200C,a. What is the series resistance per kilometer of this line?b. What is the series inductance per kilometer of this line?c. What is the shunt capacitance per kilometer of this line?

Calculate the line to line capacitance per km of a single-phase overhead line having copper conductors at a distance of 1.0 m apart and diameter of 1.5 cm each.

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.

A 3-phase 60-Hz line has flat horizontal spacings. The conductors have an outside diameter of 3.28 cm, with 12 m spacing between adjacent conductors. Determine the capacitive reactance to neutral of the lines for a length of 125 mile. The conductors are horizontally spaced 20 m above ground.

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