Impedance (STL) Calculator

✖Sending End Voltage is the voltage at the sending end of a short transmission line.ⓘ Sending End Voltage [V_s]			+10% -10%
✖Receiving End Voltage is the voltage developed at the receiving end of a short transmission line.ⓘ Receiving End Voltage [V_r]			+10% -10%
✖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 Current [I_r]			+10% -10%

✖Impedance in a short line combines resistance and inductive reactance, influencing voltage and current distribution, with capacitive reactance typically minimal.ⓘ Impedance (STL) [Z]

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Impedance (STL) Solution

STEP 0: Pre-Calculation Summary

Formula Used

Impedance = (Sending End Voltage-Receiving End Voltage)/Receiving End Current
Z = (V_s-V_r)/I_r
This formula uses 4 Variables

Variables Used

Impedance - (Measured in Ohm) - Impedance in a short line combines resistance and inductive reactance, influencing voltage and current distribution, with capacitive reactance typically minimal.
Sending End Voltage - (Measured in Volt) - Sending End Voltage is the voltage at the sending end of a short transmission line.
Receiving End Voltage - (Measured in Volt) - Receiving End Voltage is the voltage developed at the receiving end of a short 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.

STEP 1: Convert Input(s) to Base Unit

Sending End Voltage: 400 Volt --> 400 Volt No Conversion Required
Receiving End Voltage: 380 Volt --> 380 Volt No Conversion Required
Receiving End Current: 3.9 Ampere --> 3.9 Ampere No Conversion Required

STEP 2: Evaluate Formula

Substituting Input Values in Formula

Z = (V_s-V_r)/I_r --> (400-380)/3.9

Evaluating ... ...

Z = 5.12820512820513

STEP 3: Convert Result to Output's Unit

5.12820512820513 Ohm --> No Conversion Required

FINAL ANSWER

5.12820512820513 ≈ 5.128205 Ohm <-- Impedance

(Calculation completed in 00.004 seconds)

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Created by Urvi Rathod

Vishwakarma Government Engineering College (VGEC), Ahmedabad

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Osmania University (OU), Hyderabad

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< Line Parameters Calculators

Losses using Transmission Efficiency (STL)

LaTeX 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)

LaTeX 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

LaTeX Go Voltage Regulation = ((Sending End Voltage-Receiving End Voltage)/Receiving End Voltage)*100

Resistance using Losses (STL)

LaTeX Go Resistance = Power Loss/(3*Receiving End Current^2)

Impedance (STL) Formula

LaTeX Go

Impedance = (Sending End Voltage-Receiving End Voltage)/Receiving End Current
Z = (V_s-V_r)/I_r

What measures can be taken to minimize losses in short transmission lines?

To minimize losses in short transmission lines, employing larger conductor sizes, reducing line length, optimizing operating voltages, improving insulation, and enhancing conductor materials can be effective. Additionally, employing efficient transformers, employing power factor correction, and minimizing impedance through better line design aid in loss reduction.

How to Calculate Impedance (STL)?

Impedance (STL) calculator uses Impedance = (Sending End Voltage-Receiving End Voltage)/Receiving End Current to calculate the Impedance, The Impedance (STL) is the current influenced by the line's impedance, calculated as the sending voltage divided by the line's impedance (I = V/Z). In short lines, this current closely matches the load current due to minimal impedance effects. Impedance is denoted by Z symbol.

How to calculate Impedance (STL) using this online calculator? To use this online calculator for Impedance (STL), enter Sending End Voltage (V_s), Receiving End Voltage (V_r) & Receiving End Current (I_r) and hit the calculate button. Here is how the Impedance (STL) calculation can be explained with given input values -> 5.128205 = (400-380)/3.9.

FAQ

What is Impedance (STL)?

The Impedance (STL) is the current influenced by the line's impedance, calculated as the sending voltage divided by the line's impedance (I = V/Z). In short lines, this current closely matches the load current due to minimal impedance effects and is represented as Z = (V_s-V_r)/I_r or Impedance = (Sending End Voltage-Receiving End Voltage)/Receiving End Current. Sending End Voltage is the voltage at the sending end of a short transmission line, Receiving End Voltage is the voltage developed at the receiving end of a short 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.

How to calculate Impedance (STL)?

The Impedance (STL) is the current influenced by the line's impedance, calculated as the sending voltage divided by the line's impedance (I = V/Z). In short lines, this current closely matches the load current due to minimal impedance effects is calculated using Impedance = (Sending End Voltage-Receiving End Voltage)/Receiving End Current. To calculate Impedance (STL), you need Sending End Voltage (V_s), Receiving End Voltage (V_r) & Receiving End Current (I_r). With our tool, you need to enter the respective value for Sending End Voltage, Receiving End Voltage & Receiving End Current 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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