Sag of Transmission Line Calculator

✖Weight of Conductor per metre the amount or quantity of heaviness or mass of conductor for one metre .Sag of the conductor is directly proportional to its weight.ⓘ Weight of Conductor [W_c]			+10% -10%
✖Span Length is the distance between two tower or poles.ⓘ Span Length [L]			+10% -10%
✖Working Tension is the gravitational force, weight, acting on a hanging cable causes tension to exist. The tension has a vertical and horizontal component, and is tangent to the catenary.ⓘ Working Tension [T]			+10% -10%

✖Sag of Transmission Line is the distance between the highest point of electric poles or towers and the lowest point of a conductor connected between two poles or towers.ⓘ Sag of Transmission Line [s]

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Formula

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Sag of Transmission Line

Formula

`"s" = ("W"_{"c"}*"L"^2)/(8*"T")`

Example

`"3.292774m"=("0.604kg"*("260m")^2)/(8*"1550kg")`

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Sag of Transmission Line Solution

STEP 0: Pre-Calculation Summary

Formula Used

Sag of Transmission Line = (Weight of Conductor*Span Length^2)/(8*Working Tension)
s = (W_c*L^2)/(8*T)
This formula uses 4 Variables

Variables Used

Sag of Transmission Line - (Measured in Meter) - Sag of Transmission Line is the distance between the highest point of electric poles or towers and the lowest point of a conductor connected between two poles or towers.
Weight of Conductor - (Measured in Kilogram) - Weight of Conductor per metre the amount or quantity of heaviness or mass of conductor for one metre .Sag of the conductor is directly proportional to its weight.
Span Length - (Measured in Meter) - Span Length is the distance between two tower or poles.
Working Tension - (Measured in Kilogram) - Working Tension is the gravitational force, weight, acting on a hanging cable causes tension to exist. The tension has a vertical and horizontal component, and is tangent to the catenary.

STEP 1: Convert Input(s) to Base Unit

Weight of Conductor: 0.604 Kilogram --> 0.604 Kilogram No Conversion Required
Span Length: 260 Meter --> 260 Meter No Conversion Required
Working Tension: 1550 Kilogram --> 1550 Kilogram No Conversion Required

STEP 2: Evaluate Formula

Substituting Input Values in Formula

s = (W_c*L^2)/(8*T) --> (0.604*260^2)/(8*1550)

Evaluating ... ...

s = 3.29277419354839

STEP 3: Convert Result to Output's Unit

3.29277419354839 Meter --> No Conversion Required

FINAL ANSWER

3.29277419354839 ≈ 3.292774 Meter <-- Sag of Transmission Line

(Calculation completed in 00.004 seconds)

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< 15 Line Performance Characteristics Calculators

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B-Parameter using Receiving End Reactive Power Component

Go B Parameter = (((Receiving End Voltage*Sending End Voltage)*cos(Beta B-Parameter-Alpha A-Parameter))-(A Parameter*(Receiving End Voltage^2)*cos(Beta B-Parameter- Alpha A-Parameter)))/Reactive Power

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Dielectric Loss due to Heating in Cables

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Go Sag of Transmission Line = (Weight of Conductor*Span Length^2)/(8*Working Tension)

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Phase Voltage for Balanced Three-Phase Star Connection

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Sag of Transmission Line Formula

Sag of Transmission Line = (Weight of Conductor*Span Length^2)/(8*Working Tension)
s = (W_c*L^2)/(8*T)

What is maximum sag?

The sag is maximum at lowest point ( midway ) of the conductor. Let us consider that the lowest point on conductor is O. T

What factors affects sag?

The SAG is directly proportional to the weight of the conductor. The SAG is directly proportional to the span length. The SAG is inversely proportional to the working tensile strength of the conductor at constant temperature.

How to Calculate Sag of Transmission Line?

Sag of Transmission Line calculator uses Sag of Transmission Line = (Weight of Conductor*Span Length^2)/(8*Working Tension) to calculate the Sag of Transmission Line, Sag of Transmission Line is the distance between the highest point of electric poles or towers and the lowest point of a conductor connected between two poles or towers. Sag of Transmission Line is denoted by s symbol.

How to calculate Sag of Transmission Line using this online calculator? To use this online calculator for Sag of Transmission Line, enter Weight of Conductor (W_c), Span Length (L) & Working Tension (T) and hit the calculate button. Here is how the Sag of Transmission Line calculation can be explained with given input values -> 3.292774 = (0.604*260^2)/(8*1550).

FAQ

What is Sag of Transmission Line?

Sag of Transmission Line is the distance between the highest point of electric poles or towers and the lowest point of a conductor connected between two poles or towers and is represented as s = (W_c*L^2)/(8*T) or Sag of Transmission Line = (Weight of Conductor*Span Length^2)/(8*Working Tension). Weight of Conductor per metre the amount or quantity of heaviness or mass of conductor for one metre .Sag of the conductor is directly proportional to its weight, Span Length is the distance between two tower or poles & Working Tension is the gravitational force, weight, acting on a hanging cable causes tension to exist. The tension has a vertical and horizontal component, and is tangent to the catenary.

How to calculate Sag of Transmission Line?

Sag of Transmission Line is the distance between the highest point of electric poles or towers and the lowest point of a conductor connected between two poles or towers is calculated using Sag of Transmission Line = (Weight of Conductor*Span Length^2)/(8*Working Tension). To calculate Sag of Transmission Line, you need Weight of Conductor (W_c), Span Length (L) & Working Tension (T). With our tool, you need to enter the respective value for Weight of Conductor, Span Length & Working Tension and hit the calculate button. You can also select the units (if any) for Input(s) and the Output as well.

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