Sag of Transmission Line with supports at same height Calculator

Sag of Transmission Line with supports at same height Calculator

H(tension at O)

N

w(weight per unit length)

kg/m

l(half span)

m

CALCULATERESET

Result

S(length of line from O to end points)

m

d(Sag of line)

m

Click here to view image

where 

 S = length of line from point O

 d = vertica distance of end points from O

 w = weight of line per unit length 

 H = tension at point O

 2l = span length

 O is the lowest point on the line