Transmission Efficiency (STL) Solution

STEP 0: Pre-Calculation Summary
Formula Used
Transmission Efficiency = (Receiving End Voltage*Receiving End Current*cos(Receiving End Phase Angle))/(Sending End Voltage*Sending End Current*cos(Sending End Phase Angle))
η = (Vr*Ir*cos(Φr))/(Vs*Is*cos(Φs))
This formula uses 1 Functions, 7 Variables
Functions Used
cos - Cosine of an angle is the ratio of the side adjacent to the angle to the hypotenuse of the triangle., cos(Angle)
Variables Used
Transmission Efficiency - Transmission Efficiency is the total sideband power by the total transmitted power.
Receiving End Voltage - (Measured in Volt) - Receiving end voltage is the voltage developed at the receiving end of a transmission line.
Receiving End Current - (Measured in Ampere) - Receiving End Current is defined as the magnitude and phase angle of current received at the load end of a short transmission line.
Receiving End Phase Angle - (Measured in Radian) - Receiving End Phase Angle is the difference between the phasor of the current and voltage at the receiving end of a short transmission line.
Sending End Voltage - (Measured in Volt) - Sending end voltage is the voltage at the sending end of a transmission line.
Sending End Current - (Measured in Ampere) - Sending End Current is defined as the amount of current injected into a short transmission line from the source or injectors.
Sending End Phase Angle - (Measured in Radian) - Sending End Phase Angle is the difference between the phasors of current and voltage at thee sending end of a short transmission line.
STEP 1: Convert Input(s) to Base Unit
Receiving End Voltage: 380 Volt --> 380 Volt No Conversion Required
Receiving End Current: 3.9 Ampere --> 3.9 Ampere No Conversion Required
Receiving End Phase Angle: 75 Degree --> 1.3089969389955 Radian (Check conversion here)
Sending End Voltage: 400 Volt --> 400 Volt No Conversion Required
Sending End Current: 3.98 Ampere --> 3.98 Ampere No Conversion Required
Sending End Phase Angle: 30 Degree --> 0.5235987755982 Radian (Check conversion here)
STEP 2: Evaluate Formula
Substituting Input Values in Formula
η = (Vr*Ir*cos(Φr))/(Vs*Is*cos(Φs)) --> (380*3.9*cos(1.3089969389955))/(400*3.98*cos(0.5235987755982))
Evaluating ... ...
η = 0.278208720635318
STEP 3: Convert Result to Output's Unit
0.278208720635318 --> No Conversion Required
FINAL ANSWER
0.278208720635318 0.278209 <-- Transmission Efficiency
(Calculation completed in 00.004 seconds)

Credits

Created by Urvi Rathod
Vishwakarma Government Engineering College (VGEC), Ahmedabad
Urvi Rathod has created this Calculator and 1500+ more calculators!
Verified by Kethavath Srinath
Osmania University (OU), Hyderabad
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5 Line Parameters Calculators

Losses using Transmission Efficiency (STL)
Go Power Loss = ((3*Receiving End Voltage*Receiving End Current*(cos(Receiving End Phase Angle)))/Transmission Efficiency)-(3*Receiving End Voltage*Receiving End Current*(cos(Receiving End Phase Angle)))
Transmission Efficiency (STL)
Go Transmission Efficiency = (Receiving End Voltage*Receiving End Current*cos(Receiving End Phase Angle))/(Sending End Voltage*Sending End Current*cos(Sending End Phase Angle))
Voltage Regulation in Transmission Line
Go Voltage Regulation = ((Sending End Voltage-Receiving End Voltage)/Receiving End Voltage)*100
Impedance (STL)
Go Impedance = (Sending End Voltage-Receiving End Voltage)/Receiving End Current
Resistance using Losses (STL)
Go Resistance = Power Loss/(3*(Receiving End Current^2))

Transmission Efficiency (STL) Formula

Transmission Efficiency = (Receiving End Voltage*Receiving End Current*cos(Receiving End Phase Angle))/(Sending End Voltage*Sending End Current*cos(Sending End Phase Angle))
η = (Vr*Ir*cos(Φr))/(Vs*Is*cos(Φs))

What is the difference between efficiency and transmission efficiency?

Efficiency generally refers to the ratio of useful output to input in a system, considering losses. Transmission efficiency specifically pertains to the effectiveness of transferring power or data through a medium or system, focusing on minimizing losses during the transmission process from a source to a destination.

How to Calculate Transmission Efficiency (STL)?

Transmission Efficiency (STL) calculator uses Transmission Efficiency = (Receiving End Voltage*Receiving End Current*cos(Receiving End Phase Angle))/(Sending End Voltage*Sending End Current*cos(Sending End Phase Angle)) to calculate the Transmission Efficiency, The Transmission Efficiency (STL) formula is defined as power output divided by the input power, multiplied by 100. Transmission Efficiency is denoted by η symbol.

How to calculate Transmission Efficiency (STL) using this online calculator? To use this online calculator for Transmission Efficiency (STL), enter Receiving End Voltage (Vr), Receiving End Current (Ir), Receiving End Phase Angle r), Sending End Voltage (Vs), Sending End Current (Is) & Sending End Phase Angle s) and hit the calculate button. Here is how the Transmission Efficiency (STL) calculation can be explained with given input values -> 0.278209 = (380*3.9*cos(1.3089969389955))/(400*3.98*cos(0.5235987755982)).

FAQ

What is Transmission Efficiency (STL)?
The Transmission Efficiency (STL) formula is defined as power output divided by the input power, multiplied by 100 and is represented as η = (Vr*Ir*cos(Φr))/(Vs*Is*cos(Φs)) or Transmission Efficiency = (Receiving End Voltage*Receiving End Current*cos(Receiving End Phase Angle))/(Sending End Voltage*Sending End Current*cos(Sending End Phase Angle)). Receiving end voltage is the voltage developed at the receiving end of a transmission line, Receiving End Current is defined as the magnitude and phase angle of current received at the load end of a short transmission line, Receiving End Phase Angle is the difference between the phasor of the current and voltage at the receiving end of a short transmission line, Sending end voltage is the voltage at the sending end of a transmission line, Sending End Current is defined as the amount of current injected into a short transmission line from the source or injectors & Sending End Phase Angle is the difference between the phasors of current and voltage at thee sending end of a short transmission line.
How to calculate Transmission Efficiency (STL)?
The Transmission Efficiency (STL) formula is defined as power output divided by the input power, multiplied by 100 is calculated using Transmission Efficiency = (Receiving End Voltage*Receiving End Current*cos(Receiving End Phase Angle))/(Sending End Voltage*Sending End Current*cos(Sending End Phase Angle)). To calculate Transmission Efficiency (STL), you need Receiving End Voltage (Vr), Receiving End Current (Ir), Receiving End Phase Angle r), Sending End Voltage (Vs), Sending End Current (Is) & Sending End Phase Angle s). With our tool, you need to enter the respective value for Receiving End Voltage, Receiving End Current, Receiving End Phase Angle, Sending End Voltage, Sending End Current & Sending End Phase Angle 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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