﻿ Calculation of Tension of Overhead Power Line

# Calculation of Tension of Overhead Power Line

 1 Distance between two overhead line supports：S m - 2 Tension of Power Line at t0(℃)：T0 kgf - 3 Temperature of Power Line：t0 ℃ - 4 Cross section of Power Line：A mm^2 - 5 Elastic Modulus of Power Line：E kgf/mm^2 - 6 Slack of Power Line：D m - 7 Slack of Power Line in Tension T0(kgf)：D0 m - 8 Linear expansion coefficient of Power Line：α *10^/℃ - 9 Temperature of Power Line：t ℃ - 10 Graph x：D(m),y：T(kgf) x：S(m),y：T(kgf) x：t(℃),y：T(kgf) - 11 Plot Input Data YesNo , Figure： OnOff - 12 Number of gridlines of Graph x-axis, y-axis -
:Export Graph Image.

## Keyword

Tension of Overhead Power Line,overhead line support,Unit weighet of Power Line,Distance between overhead line supports,Cross section of Power Line,Elastic Modulus of Power Line,Slack of Power Line,Linear expansion coefficient of Power Line

## Reference

[1]： 松本雅行：『電気鉄道 第2版』.pp.131-132、森北出版

## Remarks

・Distance between two overhead line supports：S(m)
・Tension of Power Line at t0(℃)：T0(kgf)
・Temperature of Power Line：t0(℃)
・Cross section of Power Line：A(mm^2)
・Elastic Modulus of Power Line：E(kgf/mm^2)
・Slack of Power Line：D(m)
・Slack of Power Line in Tension T0(kgf)：D0(m)
・Linear expansion coefficient of Power Line：α(/℃)
・Temperature of Power Line：t(℃)