The three conductors a 3 - phase overhead line are arranged in a horizontal plane, 4 meters apart. The diameter of each conductor is 1.24 cm. The capacitance per phase for 50 km of the line is - µF. (Assume that the conductors are transposed). Eo = 8.854 × 10-1² F/m
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- 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 linkages, and (c) the total inductance of the line.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.Shield wires located above the phase conductors protect the phase conductors against lightning. True False
- In terms of line-to-line capacitance, the line-to-neutral capacitance of a single-phase transmission line is Same Twice One-half7. The conductors of a three-phase transmission line are arranged in the form of an equilateraltriangle with sides of 6m each. If the conductors are 500 mils in diameter and the line is 25 kmlong, what is its inductance per phase? Answer: 35.5 mH(a) Conductors of a 3-phase line are arranged at the corners of a triangle of sides 15, 5, and 18 meters. The diameter of each line conductor is 2 cm. Calculate the Inductance per phase per km (L1) for this arrangement. Calculate Inductance per phase per km(L2) if the spacing between the conductors are reduced to quarter
- GMR of a bundled conductor for inductance calculations was found as 7 cm. A, B and C phases of a transposed transmission line have a horizontally flat arrangement with D = 10.8 m between the centre points of the three phases. Find inductance per phase per km of length. Express your answer in mH/km and leave 3 digits after decimal pointThe conductors of a three phase transmission line are symmetrically arranged in a triangle. If the distance between the conductors is 2 meters and the diameter of each wire is 25 mm, find the value of inductance and capacitance per phase per kilometer.A single circuit three phase 50 Hz, 50 km transmission line consists of three conductors arranged in triangle. d1=4m, d2=13 m and d3=16 m. The radius is 0.65 cm. Calculate a) GMD b)Capacitance per km c) Total capacitance and d) Total capacitive reactance of the lines. Assume GMD? Answer for part 1 Capacitance per km? Answer for part 2 Total Capacitance? Answer for part 3 Total Capacitive reactance (XC)? Answer for part 4
- A single-phase transmission line consisting of two conductors, the radius of each conductor is 0.4 cm, the distance between the conductors is three and half meters and the height above ground is eight meter. Determine 1)The capacitance in uF/km without effect of ground 2)The capacitance in uF/km with effect of groundthree phase 60Hz, 120kV transmission line consisting of 3 conductors are placed at the corners of a triangle of sides 20, 15, and 8 meters. The radius of each line conductor is 1.5 cm. The length of the transmission line is 120 km. Assume epsilon subscript 0 equals 8.854 cross times 10 to the power of negative 12 end exponent. Determine a) Capacitance per phase per meter Answer for part 1 b)Capacitance per phase per km Answer for part 2 c) Total capacitance for 120 km Answer for part 3 d) Capacitance between the line (Cab) Answer for part 4 d) Capacitive reactance between the line( Xab) Answer for part 5 e) Charging Current for the 120 kmA three phase overhead transmission line has its conductors arranged at the corners of an equilateral triangle of of 2 meters side. calculate the capacitance of each line conductor per kilo meter. given that diameter of each conductor is 1.25 cm. Derive the expression for the capacitance of the transmission line