Calculate the weight due to ice on a transmission line where the Total weight of conductor = 3.6 Kg/m, actual weight of conductor 1.4 Kg/m, and weight due to wind 0.6 Kg/m. %3D
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Q: Calculate the weight due to ice on a transmission line where the Total weight of conductor = 3.2…
A: Total weight of conductor = 3.2 Kg/m, Actual weight of conductor = 1.4 Kg/m Weight due to wind = 0.4…
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- A stranded conductor is an example of a composite conductor. True FalseThe capacitance of a single-circuit, three-phase transposed line with the configuration shown in Figure 4.38, including ground effect, and with conductors not equilaterally spaced is given by C20lnDeqrlnHmH8 F/m line-to-neutral where Deq=D12D23D133=GMD r= conductors outside radiusHm=(H12H23H13)1/3HS=(H1H2H3)1/3 Now consider Figure 4.39 in which the configuration of a three-phase, single circuit, 345-kV line with conductors having an outside diameter of 1.065 in. is shown. Determine the capacitance to neutral in F/m, including the ground effect. Next, neglecting the effect of ground, see how the value changes.For the overhead line of configuration shown in Figure 4.33 operating at 60 Hz and a conductor temperature of 700C, determine the resistance per phase, inductive reactance in ohms/mile/phase, and the current-carrying capacity of the overhead line. Each conductor is ACSR Cardinal of Table A.4.
- Shield wires located above the phase conductors protect the phase conductors against lightning. True FalseThe number of disc insulators used in a suspension insulator setup with string efficiency 90 %, phase voltage 33 kV, and the voltage across insulator nearest to conductor 9 kV is . Calculate the weight due to ice on a transmission line where the Total weight of conductor = 3.2 Kg/m, actual weight of conductor = 1.6 Kg/m, and weight due to wind = 0.4 Kg/m.For the Figure 9 shown: A 65 -km long, 59 Hz, three-phase, transmission line is composed 2 parallel lines. The conductors in the lines are stranded with GMR of 15.92 -mm each. If the distance D in the figure is 2.46 m., What is inductive reactance per line in (ohm)? Figure 9 $0 D 1.732D 2D 1.732D 1.732D D b' 1.732D
- For the Figure 7 shown: A 395 -km long, 34 Hz, three-phase, 3-wire, transmission line is composed of stranded conductors in each line with GMR of 16.66 -mm. If the distance D in the figure is 2.22 m., What is inductive reactance per line in (ohm)? Figure 7 'O b 1.8D 2.4D 3.2D 0For the Figure 7 shown: A 251 -mile long, 60 Hz, three-phase, 3-wire, transmission line is composed of stranded conductors in each line with GMR of 0.3888 -inch. If the distance D in the figure is 7 ft., What is inductive reactance per line in (ohm)? Figure 7 ³0 1.8D 2.4D 3.2DWhat is the dispersion taking place in long transmission lines? State the condition to obtain dispersion-less transmission line. Verify your answer analytically
- For the Figure 9 shown: A 273 -km long, 47 Hz, three-phase, transmission line is composed 2 parallel lines. The conductors in the lines are stranded with GMR of 13.59 -mm each. If the distance D in the figure is 4.78 m., What is inductive reactance per line in (ohm)? Figure 9 b D 1.732D 2D 1.732D 1.732D D b' 3 1.732DFor the Figure 10 shown: A 109 -mile long, 35 Hz, three-phase, 3-line with bundling, transmission line is composed of stranded conductors in each of the bundle with GMR of 0.5629 -inch. The distance d in the bundle set is 9.94 inch. If the distance D in the figure is 12.9 ft., what is inductance per line per unit length in (mH/mi)? Figure 10 ªolo 00 D Polo oo Tal D colo o4.8 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.