﻿ Calculation of Length of Hanger

# Calculation of Length of Hanger

 1 Unit weighet of Power Line：w kgf/m - 2 Distance between two overhead line supports：S m - 3 Distance between messenger wire and contact wire：H m - 4 Tension of Power Line at normal temperature：T0 kgf - 5 Distance from middle of two supports to hanger：x m 0≦x≦S/2 6 Graph x：w(kgf/m),y：L(m) x：S(m),y：L(m) x：T0(kgf),y：L(m) x：x(m),y：L(m) - 7 Plot Input Data YesNo , Figure： OnOff - 8 Number of gridlines of Graph x-axis, y-axis -
:Export Graph Image.

## Keyword

Length of hanger,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

・Unit weighet of Power Line：w(kgf/m)
・Distance between two overhead line supports：S(m)
・Tension of Power Line at normal temperature：T0(kgf)
・Distance between messenger wire and contact wire：H(m)
・Distance from middle of two supports to hanger：x(m)