(i) List any three factors to be considered for mechanical design of overhead lines (ii) An overhead transmission line is supported at a river crossing by two towers of height 36 m. The weight of the conductor is 0.412 kg/m. The weight due to wind is 1.4 kg/m. The ultimate strength is 1500 kg and factor of safety is 3. If the Span length is 140 m. Determine (a) Total weight of the conductor (b) Sag (c) Total Length of conductor between supports (d) Clearance between the lowest point on the conductor and water level. Total Weight of the conductor Sag Total Length of the conductor between the supports Clearance between the lowest point on the conductor and water level

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 4.22P
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Note: Please do not handwritten.
(i) List any three factors to be considered for mechanical design of overhead lines
(ii) An overhead transmission line is supported at a river crossing by two towers of height 36 m. The weight of the conductor is 0.412 kg/m. The weight due to wind is 1.4 kg/m. The ultimate
strength is 1500 kg and factor of safety is 3. If the Span length is 140 m.
Determine
(a) Total weight of the conductor
(b) Sag
(c) Total Length of conductor between supports
(d) Clearance between the lowest point on the conductor and water level.
Total Weight of the conductor
Sag
Total Length of the conductor between the supports
Clearance between the lowest point on the conductor and water level
Transcribed Image Text:(i) List any three factors to be considered for mechanical design of overhead lines (ii) An overhead transmission line is supported at a river crossing by two towers of height 36 m. The weight of the conductor is 0.412 kg/m. The weight due to wind is 1.4 kg/m. The ultimate strength is 1500 kg and factor of safety is 3. If the Span length is 140 m. Determine (a) Total weight of the conductor (b) Sag (c) Total Length of conductor between supports (d) Clearance between the lowest point on the conductor and water level. Total Weight of the conductor Sag Total Length of the conductor between the supports Clearance between the lowest point on the conductor and water level
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