A transmission line has a span of 250 m between supports, the supports being at the same level. The conductor has a cross-sectional area of 1-29 cm. The ultimate strength is 4220 kg/cm and factor of safety is 2. The wind pressure is 40 kg/cm. Calculate the height of the conductor above ground level a which it should be supported if a minimum clearance of 7m is to be kept between the ground and the [10-24 m conductor.

A transmission line has a span of 250 m between supports, the supports being at the same level. The conductor has a cross-sectional area of 1-29 cm. The ultimate strength is 4220 kg/cm and factor of safety is 2. The wind pressure is 40 kg/cm. Calculate the height of the conductor above ground level a which it should be supported if a minimum clearance of 7m is to be kept between the ground and the [10-24 m conductor.

Introductory Circuit Analysis (13th Edition)

13th Edition

ISBN:9780133923605

Author:Robert L. Boylestad

Publisher:Robert L. Boylestad

Chapter1: Introduction

Section: Chapter Questions

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Question

5. A transmission line has a span of 250 m between supports, the supports being at the same level. The
conductor has a cross-sectional area of 1-29 cm". The ultimate strength is 4220 kg/cm and factor of
safety is 2. The wind pressure is 40 kg/cm. Calculate the height of the conductor above ground level at
which it should be supported if a minimum clearance of 7m is to be kept between the ground and the
conductor.
[10-24 m]

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