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Sag of Transmission Line Formula

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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. Check FAQs

s = \frac{W c \cdot L^{2}}{8 \cdot T}

s - Sag of Transmission Line?W_c - Weight of Conductor?L - Span Length?T - Working Tension?

Sag of Transmission Line Example

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Here is how the Sag of Transmission Line equation looks like with Values.

Here is how the Sag of Transmission Line equation looks like with Units.

Here is how the Sag of Transmission Line equation looks like.

3.2928 = \frac{0.604 \cdot 260^{2}}{8 \cdot 1550}

3.2928m = \frac{0.604kg \cdot {260m}^{2}}{8 \cdot 1550kg}

3.2928 = \frac{0.604 \cdot 260^{2}}{8 \cdot 1550}

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Sag of Transmission Line Solution

Follow our step by step solution on how to calculate Sag of Transmission Line?

FIRST Step Consider the formula

s = \frac{W c \cdot L^{2}}{8 \cdot T}

Next Step Substitute values of Variables

∴

s = \frac{0.604kg \cdot {260m}^{2}}{8 \cdot 1550kg}

Next Step Prepare to Evaluate

∴

s = \frac{0.604 \cdot 260^{2}}{8 \cdot 1550}

Next Step Evaluate

∴

s = 3.29277419354839m

LAST Step Rounding Answer

∴

s = 3.2928m

Sag of Transmission Line Formula Elements

Variables

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.

Symbol: s

Measurement: LengthUnit: m

Note: Value should be greater than 0.

Formulas to find Sag of Transmission Line

Weight of Conductor

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.

Symbol: W_c

Measurement: WeightUnit: kg

Note: Value should be greater than 0.

Formulas to find Weight of Conductor

Span Length

Span Length is the distance between two tower or poles.

Symbol: L

Measurement: LengthUnit: m

Note: Value should be greater than 0.

Formulas to find Span Length

Working Tension

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.

Symbol: T

Measurement: WeightUnit: kg

Note: Value should be greater than 0.

Formulas to find Working Tension

Other formulas in Line Performance Characteristics category

Go Complex Power given Current

S = I^{2} \cdot Z

Go Skin Depth in Conductor

δ = \sqrt{\frac{R s}{f \cdot μ r \cdot 4 \cdot π \cdot 10^{- 7}}}

Go Base Impedance given Base Current

Z base = \frac{V base}{I pu(b)}

Go Base Power

P b = V base \cdot I b

How to Evaluate Sag of Transmission Line?

Sag of Transmission Line evaluator uses Sag of Transmission Line = (Weight of Conductor*Span Length^2)/(8*Working Tension) to evaluate 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 evaluate Sag of Transmission Line using this online evaluator? To use this online evaluator for Sag of Transmission Line, enter Weight of Conductor (W_c), Span Length (L) & Working Tension (T) and hit the calculate button.

FAQs on Sag of Transmission Line

What is the formula to find Sag of Transmission Line?

The formula of Sag of Transmission Line is expressed as Sag of Transmission Line = (Weight of Conductor*Span Length^2)/(8*Working Tension). Here is an example- 3.292774 = (0.604*260^2)/(8*1550).

How to calculate Sag of Transmission Line?

With Weight of Conductor (W_c), Span Length (L) & Working Tension (T) we can find Sag of Transmission Line using the formula - Sag of Transmission Line = (Weight of Conductor*Span Length^2)/(8*Working Tension).

Can the Sag of Transmission Line be negative?

No, the Sag of Transmission Line, measured in Length cannot be negative.

Which unit is used to measure Sag of Transmission Line?

Sag of Transmission Line is usually measured using the Meter[m] for Length. Millimeter[m], Kilometer[m], Decimeter[m] are the few other units in which Sag of Transmission Line can be measured.

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Sag of Transmission Line Formula

Sag of Transmission Line Example

Sag of Transmission Line Solution

Sag of Transmission Line Formula Elements

Other formulas in Line Performance Characteristics category

How to Evaluate Sag of Transmission Line?

FAQs on Sag of Transmission Line

Variable Name