Negative Sequence Impedance for L-G-F Calculator

✖Negative Sequence Voltage LG consists of balanced three-phase voltage and current phasors which are exactly at 120 degrees apart rotating counterclockwise in ACB rotation.ⓘ Negative Sequence Voltage LG [V_2(lg)]			+10% -10%
✖Negative Sequence Current LG consists of balanced three-phase current phasors which are exactly at 120 degrees apart rotating counterclockwise in ACB rotation.ⓘ Negative Sequence Current LG [I_2(lg)]			+10% -10%

✖Negative Sequence Impedance LG consists of balanced three-phase impedance phasors which are exactly at 120 degrees apart rotating counterclockwise in ACB rotation.ⓘ Negative Sequence Impedance for L-G-F [Z_2(lg)]

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Negative Sequence Impedance for L-G-F Solution

STEP 0: Pre-Calculation Summary

Formula Used

Negative Sequence Impedance LG = (-1)*Negative Sequence Voltage LG/Negative Sequence Current LG
Z_2(lg) = (-1)*V_2(lg)/I_2(lg)
This formula uses 3 Variables

Variables Used

Negative Sequence Impedance LG - (Measured in Ohm) - Negative Sequence Impedance LG consists of balanced three-phase impedance phasors which are exactly at 120 degrees apart rotating counterclockwise in ACB rotation.
Negative Sequence Voltage LG - (Measured in Volt) - Negative Sequence Voltage LG consists of balanced three-phase voltage and current phasors which are exactly at 120 degrees apart rotating counterclockwise in ACB rotation.
Negative Sequence Current LG - (Measured in Ampere) - Negative Sequence Current LG consists of balanced three-phase current phasors which are exactly at 120 degrees apart rotating counterclockwise in ACB rotation.

STEP 1: Convert Input(s) to Base Unit

Negative Sequence Voltage LG: 16.056 Volt --> 16.056 Volt No Conversion Required
Negative Sequence Current LG: -0.36 Ampere --> -0.36 Ampere No Conversion Required

STEP 2: Evaluate Formula

Substituting Input Values in Formula

Z_2(lg) = (-1)*V_2(lg)/I_2(lg) --> (-1)*16.056/(-0.36)

Evaluating ... ...

Z_2(lg) = 44.6

STEP 3: Convert Result to Output's Unit

44.6 Ohm --> No Conversion Required

FINAL ANSWER

44.6 Ohm <-- Negative Sequence Impedance LG

(Calculation completed in 00.004 seconds)

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Home » Engineering » Electrical » Power System » Fault » Shunt Faults » Unsymmetrical Faults » L G Fault » Impedance » Negative Sequence Impedance for L-G-F

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< Impedance Calculators

Positive Sequence Impedance using A-Phase EMF (LGF)

LaTeX Go Positive Sequence Impedance LG = (EMF Induced in Primary Winding LG/Positive Sequence Current LG)-(3*Fault Impedance LG)-Zero Sequence Impedance LG-Negative Sequence Impedance LG

Positive Sequence Impedance for L-G-F

LaTeX Go Positive Sequence Impedance LG = (EMF Induced in Primary Winding LG-Positive Sequence Voltage LG)/Positive Sequence Current LG

Zero Sequence Impedance for L-G-F

LaTeX Go Zero Sequence Impedance LG = (-1)*Zero Sequence Voltage LG/Zero Sequence Current LG

Fault Impedance using A-Phase Voltage(LGF)

LaTeX Go Fault Impedance LG = A Phase Voltage LG/A-Phase Current LG

Negative Sequence Impedance for L-G-F Formula

LaTeX Go

Negative Sequence Impedance LG = (-1)*Negative Sequence Voltage LG/Negative Sequence Current LG
Z_2(lg) = (-1)*V_2(lg)/I_2(lg)

What are the Sequence Components?

The positive sequence consists of balanced three-phase voltage and current phasors which are exactly at ₁₂₀ degrees apart rotating counterclockwise in ABC rotation. The negative sequence consists of balanced three-phase voltage and current phasors which are exactly at ₁₂₀ degrees apart rotating counterclockwise in ACB rotation. Zero sequence consists of a balanced three-phase voltage and current, phasors of which all have the same phase angles and rotate counterclockwise together.

How to Calculate Negative Sequence Impedance for L-G-F?

Negative Sequence Impedance for L-G-F calculator uses Negative Sequence Impedance LG = (-1)*Negative Sequence Voltage LG/Negative Sequence Current LG to calculate the Negative Sequence Impedance LG, The Negative Sequence Impedance for L-G-F formula is consists of balanced three-phase impedance phasors which are exactly at ₁₂₀ degrees apart rotating counterclockwise in ACB rotation. Negative Sequence Impedance LG is denoted by Z_2(lg) symbol.

How to calculate Negative Sequence Impedance for L-G-F using this online calculator? To use this online calculator for Negative Sequence Impedance for L-G-F, enter Negative Sequence Voltage LG (V_2(lg)) & Negative Sequence Current LG (I_2(lg)) and hit the calculate button. Here is how the Negative Sequence Impedance for L-G-F calculation can be explained with given input values -> 44.6 = (-1)*16.056/(-0.36).

FAQ

What is Negative Sequence Impedance for L-G-F?

The Negative Sequence Impedance for L-G-F formula is consists of balanced three-phase impedance phasors which are exactly at ₁₂₀ degrees apart rotating counterclockwise in ACB rotation and is represented as Z_2(lg) = (-1)*V_2(lg)/I_2(lg) or Negative Sequence Impedance LG = (-1)*Negative Sequence Voltage LG/Negative Sequence Current LG. Negative Sequence Voltage LG consists of balanced three-phase voltage and current phasors which are exactly at 120 degrees apart rotating counterclockwise in ACB rotation & Negative Sequence Current LG consists of balanced three-phase current phasors which are exactly at 120 degrees apart rotating counterclockwise in ACB rotation.

How to calculate Negative Sequence Impedance for L-G-F?

The Negative Sequence Impedance for L-G-F formula is consists of balanced three-phase impedance phasors which are exactly at ₁₂₀ degrees apart rotating counterclockwise in ACB rotation is calculated using Negative Sequence Impedance LG = (-1)*Negative Sequence Voltage LG/Negative Sequence Current LG. To calculate Negative Sequence Impedance for L-G-F, you need Negative Sequence Voltage LG (V_2(lg)) & Negative Sequence Current LG (I_2(lg)). With our tool, you need to enter the respective value for Negative Sequence Voltage LG & Negative Sequence Current LG and hit the calculate button. You can also select the units (if any) for Input(s) and the Output as well.

How many ways are there to calculate Negative Sequence Impedance LG?

In this formula, Negative Sequence Impedance LG uses Negative Sequence Voltage LG & Negative Sequence Current LG. We can use 1 other way(s) to calculate the same, which is/are as follows -

Negative Sequence Impedance LG = (EMF Induced in Primary Winding LG/Negative Sequence Current LG)-(3*Fault Impedance LG)-Positive Sequence Impedance LG-Zero Sequence Impedance LG

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