Determine the GMR of the conductor
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- 4.17 Determine the GMR of each of the unconventional stranded conductors shown in Figure 4.30. All strands have the same radius r. FIGURE 4.30 Unconventional stranded conductors for Problem 4.17 (a) (b) (c)Q4(a) The differences between TWO unequal towers 60 m support a transmission line conductor at road crossing. The given span length is 499.5 m as show in Figure Q4(a). If the tension in the conductor is 1700 kg, determine the minimum clearance of the conductor and road and clearance mid-way between the supports. Weight of conductor is 1-5 kg/m. Bases of the towers can be considered to be at road level. Given height of the tower A is 35 m from the ground level. Span Length= 499.5 ROAD Figure Q4(a)A single core lead covered cable is to be designed for 68 kV(peak value) toearth. Its conductor diameter is 2 cm and its three insulating materials havepermittivities of 5, 4 and 3 respectively with the corresponding maximumsafe working stress of 38 kV/cm (r.m.s), 26 kV/cm (r.m.s) and 20 kV/cm(r.m.s) respectively. Find the minimum diameter of lead sheath.
- A three phase, 11 KV, underground cable system, consider a single core of conductor radius 0.5 cm diameter and lead sheath of 1.25 cm. The core and lead sheath have been separated by two intersheaths with radius 0.75 cm and 1 cm. Draw the cable core, dielectric and intersheath layers showing the thickness of each layer, then determine the voltages on the both intersheaths. Suppose the maximum stress on the layers are the same.Find the GMR of this conductor as r.( Need handwritten solution only please otherwise downvote)A three phase, 33 KV, underground cable system, consider a single core of conductor radius 0.8 cm diameter and lead sheath of 2.3 cm. The core and lead sheath have been separated by two intersheaths with radius 1.3 cm and 1.8 cm. Draw the cable core, dielectric and intersheath layers showing the thickness of each layer, then determine the voltages on the both intersheaths. Suppose the maximum stress on the layers are the same. Please i need it know please
- Single core cable design for 25 kV. The radius of conductor is 0.5 cm. The insulation material consists of two layers. The thickness of each layer is 2 cm. The voltage of first and second layers are 20 kV, 5 kV respectively. The minimum Electric stress of the cable isA 30 kV single core cable has a conductor dimeter of 2 cm and a sheath of inside diameter 6 cm. Find the maximum (peak value) and minimum stress (peak value) in the insulation.12. There are 6 conductors in a double circuit line. Each conductor has a radius of 12 mm. The 6conductors are arranged horizontally. The center to center distance between the conductor is 2m. The sequence of conductors are from left to right as follows: a,b.c,a', b', c'. Calculate the inductance per km per phase of system. the a' 2 m 2 m 2 m 2 m 2 m
- Single core cable design for 25 kV. The radius of conductor is 0.5 cm. The insulation material consists of two layers. The thickness of each layer is 2 cm. The voltage of first and second layers are 20 kV, 5 kV respectively. The minimum Electric stress of the cable is * 9.45 kV/cm 1.89 kV /cm O 1.25 kV/cm 5.78 kV/cm Non of themTheoretically solve an unknown resistance for Transmission line conductor by using any two methods (for example: Wheatstone bridge, Kelvin bridge, Potentiometer method etc). And then compare them and state that between in this two used methods which one is better and why. [Note: You can choose any practical value for ratio arms]In a string of suspension insulator with three units, the line unit has 20kV and k=0.35. The voltage across tower unit is........ and across middle unit is.......