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Sending End Power (STL) Formula

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Sending End Power is defined as the power at receiving end of a short transmission line. Check FAQs

P s = 3 \cdot I s \cdot V s \cdot \cos (Φ s)

P_s - Sending End Power?I_s - Sending End Current?V_s - Sending End Voltage?Φ_s - Sending End Phase Angle?

Sending End Power (STL) Example

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With units

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Here is how the Sending End Power (STL) equation looks like with Values.

Here is how the Sending End Power (STL) equation looks like with Units.

Here is how the Sending End Power (STL) equation looks like.

4136.1373 = 3 \cdot 3.98 \cdot 400 \cdot \cos (30)

4136.1373W = 3 \cdot 3.98A \cdot 400V \cdot \cos (30°)

4136.1373 = 3 \cdot 3.98 \cdot 400 \cdot \cos (30)

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Sending End Power (STL) Solution

Follow our step by step solution on how to calculate Sending End Power (STL)?

FIRST Step Consider the formula

P s = 3 \cdot I s \cdot V s \cdot \cos (Φ s)

Next Step Substitute values of Variables

∴

P s = 3 \cdot 3.98A \cdot 400V \cdot \cos (30°)

Next Step Convert Units

∴

P s = 3 \cdot 3.98A \cdot 400V \cdot \cos (0.5236rad)

Next Step Prepare to Evaluate

∴

P s = 3 \cdot 3.98 \cdot 400 \cdot \cos (0.5236)

Next Step Evaluate

∴

P s = 4136.13732847448W

LAST Step Rounding Answer

∴

P s = 4136.1373W

Sending End Power (STL) Formula Elements

Variables

Functions

Sending End Power

Sending End Power is defined as the power at receiving end of a short transmission line.

Symbol: P_s

Measurement: PowerUnit: W

Note: Value can be positive or negative.

Formulas to find Sending End Power

Sending End Current

Sending End Current is defined as the amount of current injected into a short transmission line from the source or injectors.

Symbol: I_s

Measurement: Electric CurrentUnit: A

Note: Value can be positive or negative.

Formulas to find Sending End Current

Sending End Voltage

Sending End Voltage is the voltage at the sending end of a short transmission line.

Symbol: V_s

Measurement: Electric PotentialUnit: V

Note: Value can be positive or negative.

Formulas to find Sending End Voltage

Sending End Phase Angle

Sending End Phase Angle is the difference between the phasors of current and voltage at thee sending end of a short transmission line.

Symbol: Φ_s

Measurement: AngleUnit: °

Note: Value can be positive or negative.

Formulas to find Sending End Phase Angle

cos

Cosine of an angle is the ratio of the side adjacent to the angle to the hypotenuse of the triangle.

Syntax: cos(Angle)

Other formulas in Power and Phase Difference category

Go Transmitted Current (SC Line)

I t = \frac{V t}{Z 0}

Go Receiving End Angle using Transmission Efficiency (STL)

Φ r = a \cos (η \cdot V s \cdot I s \cdot \frac{\cos (Φ s)}{I r \cdot V r})

Go Receiving End Angle using Losses (STL)

Φ r = a \cos (\frac{(3 \cdot V s \cdot I s \cdot \cos (Φ s)) - P loss}{3 \cdot V r \cdot I r})

Go Receiving End Power (STL)

P r = 3 \cdot V r \cdot I r \cdot \cos (Φ r)

How to Evaluate Sending End Power (STL)?

Sending End Power (STL) evaluator uses Sending End Power = 3*Sending End Current*Sending End Voltage*cos(Sending End Phase Angle) to evaluate the Sending End Power, The Sending End Power (STL) is the phase angle of the voltage at the source end relative to the load voltage. In short lines, this angle is typically small due to negligible reactive components, indicating minimal phase shift and efficient power transfer from the source to the load. Sending End Power is denoted by P_s symbol.

How to evaluate Sending End Power (STL) using this online evaluator? To use this online evaluator for Sending End Power (STL), enter Sending End Current (I_s), Sending End Voltage (V_s) & Sending End Phase Angle (Φ_s) and hit the calculate button.

FAQs on Sending End Power (STL)

What is the formula to find Sending End Power (STL)?

The formula of Sending End Power (STL) is expressed as Sending End Power = 3*Sending End Current*Sending End Voltage*cos(Sending End Phase Angle). Here is an example- 4136.137 = 3*3.98*400*cos(0.5235987755982).

How to calculate Sending End Power (STL)?

With Sending End Current (I_s), Sending End Voltage (V_s) & Sending End Phase Angle (Φ_s) we can find Sending End Power (STL) using the formula - Sending End Power = 3*Sending End Current*Sending End Voltage*cos(Sending End Phase Angle). This formula also uses Cosine (cos) function(s).

Can the Sending End Power (STL) be negative?

Yes, the Sending End Power (STL), measured in Power can be negative.

Which unit is used to measure Sending End Power (STL)?

Sending End Power (STL) is usually measured using the Watt[W] for Power. Kilowatt[W], Milliwatt[W], Microwatt[W] are the few other units in which Sending End Power (STL) can be measured.

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Sending End Power (STL) Formula

Sending End Power (STL) Example

Sending End Power (STL) Solution

Sending End Power (STL) Formula Elements

Other formulas in Power and Phase Difference category

How to Evaluate Sending End Power (STL)?

FAQs on Sending End Power (STL)

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