Q3. A transmission line has a span of 210 meters between level supports. The conductor hasa cross-sectional area of 1.29 cm?, weighs 1170 kg/km and has a breaking stress of 4218kg/cm?. Calculate the sag for a safety factor of (5), allowing a wind pressure of 122 kg persquare meter of projected area. What is the vertical sag?

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Answered: Q3. A transmission line has a span of…

Power System Analysis and Design (MindTap Course List)

6th Edition

ISBN:9781305632134

Author:J. Duncan Glover, Thomas Overbye, Mulukutla S. Sarma

Publisher:J. Duncan Glover, Thomas Overbye, Mulukutla S. Sarma

Chapter4: Transmission Line Parameters

Section: Chapter Questions

Problem 4.11MCQ

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A transmission line has a span of 250 meters between the line supports. The conductors has a cross sectional area of 1.29 cm2 and weighs 1170 kg/km and has a breaking stress of 4218 kg/cm2. Calculate the sag and vertical sag with a safety factor of 5, with a wind pressure of 122 kg per square meter of the projected area.
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