Question

Asked Sep 12, 2019

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The three conductors of a 3-Φ transmission line are arranged in a horizantal plane and are 5m apart.The diameter of each conductor is 30mm.Determine the inductance per km of each conductor(line to neutral).Assume balanced load and R,Y,B phase sequence.Determine also the average inductance per phase for regularly transposed line.

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Step 1

Consider that the phase inductance of phase conductor R,Y and B are *L _{A}, L_{B}* and

Step 2

Draw the diagram of horizontal spacing of conductors. Consider that the radius of each conductor is* r*, and the distance between each conductor are *D _{RY}, D_{YB}* and

Step 3

Calculate geometric mean distance and geometric mean radius of each conductor. Note that *GMDR *...

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