conductors per bundle, with 0.4 m between conductors in the bundle.
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- A 230-kV, 60-Hz, three-phase completely transposed overhead line has one ACSR 954 kcmil conductor per phase and flat horizontal phase spacing, with 7 m between adjacent conductors Determine the inductance in H/m and the inductive reactance in /km.A three-phase transposed line is composed of one ACSR Bobolink conductor per phase with a horizontal spacing of 11 meters as shown in the figure. phase with a horizontal spacing of 11 meters as shown in the figure. The conductors have a diameter of 3.625 cm and a RMG of 1.439 cm. Calculate the inductance and capacitance to the neutral of the line.Consider the 500 kV, three phase bundled conductor line as shown in the figure below. Find the line to neutral capacitance. 0.5 m 30 mm (0) (O to Ine 15 m 15 m
- (a) A three phase transposed transmission tower comprises of three-bundled conductor and double-circuit configured in vertical position as shown in Figure 2. Each sub-conductor in each circuit and each phase is an ACSR type, size 477,000 cmil and stranding 26/7. Given the GMR of each sub-conductor is 0.8809 cm and diameter is 2.1793 cm, analyze: i. Inductance in mH/km ii. Capacitance in µF/km 0.75m 7.5m b' 4m 4m 45cm Figure 24.8 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 link- ages, and (c) the total inductance of the line.4.18 A 230-kV, 60-Hz, three-phase completely transposed overhead line has one ACSR 954 kcmil conductor per phase and flat horizontal phase spac- ing, with 7 m between adjacent conductors. Determine the inductance in H/m and the inductive reactance in Q/km.
- moodle.nct.edu.om/mod rning Portal Courses - Reports - e-Services - Academic Departments ETC - CIMS - Three conductors of a 3-phase overhead line are arranged in a horizontal plane in the order a-b-c, distance between a and b is 6 m, b and c is spaced 6 m apart. The diameter of each line conductor is 2.5 cm. Calculate the Capacitance per phase per km (L1) for this arrangement. Calculate Capacitance per phase per km(L2) if the spacing between the conductors are reduced by half. Calculate the Ratio of C2 with respect to C1. Capacitance in nF per Phase per Km for Arrangement 1 (C1) Capacitance in nF per phase per km for Arrangement 2 (C2) Ratio of C2 to C1 A 3-phase, 50 Hz, 60 km long overhead line supplies 1400 kW at 11 kV, 0.7 p.f. lagging. The line resistance is 0.025 Q per phase per km and line inductance is 0.8 mH per phase per km. Calculate the sending end voltage voltage regulation and efficiency of transmission. Sending End VoltageA 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 + j10.97703-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]
- 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.A single phase 2 conductor operates at 50Hz, the diameter of each condcutor is 60mm and spacing between condcutor is 5m, find the loop inductance of the line.The figure shows a common spacing for a 345 kV line using ACSR Drake conductors in bundles of two conductors with a bundle spacing d = 18 in and distances as shown. Calculate: (a) the line-to-neutral capacitance per mile, (b) the line-to-neutral capacitive susceptance per mile, (c) the per phase inductance per mile, and (d) the per phase inductive reactance per mile. 18" 7' 18" 18" 24' 24'