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 cm2. The ultimate strength is 4220 kg/??2 and factor of safety is 2. The wind pressure is 40 kg/??2 . 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 conducto
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 cm2. The ultimate strength is 4220 kg/??2 and factor of safety is 2. The wind pressure is 40 kg/??2 . 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 conducto
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 4.1P: The Aluminum Electrical Conductor Handbook lists a dc resistance of 0.01558 ohm per 1000 ft at 20C...
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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 cm2. The ultimate strength is 4220 kg/??2 and factor of safety is 2. The wind pressure is 40 kg/??2
. 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 conducto
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