Negative Sequence Voltage for LGF Calculator

✖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 LG [Z_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 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 for LGF [V_2(lg)]

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Negative Sequence Voltage for LGF Solution

STEP 0: Pre-Calculation Summary

Formula Used

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

Variables Used

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 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 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 Impedance LG: -44.6 Ohm --> -44.6 Ohm 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

V_2(lg) = -Z_2(lg)*I_2(lg) --> -(-44.6)*(-0.36)

Evaluating ... ...

V_2(lg) = -16.056

STEP 3: Convert Result to Output's Unit

-16.056 Volt --> No Conversion Required

FINAL ANSWER

-16.056 Volt <-- Negative Sequence Voltage LG

(Calculation completed in 00.004 seconds)

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Home » Engineering » Electrical » Power System » Fault » Shunt Faults » Unsymmetrical Faults » L G Fault » Voltage and EMF » Negative Sequence Voltage for LGF

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< Voltage and EMF Calculators

Zero Sequence Voltage using A-Phase Current (LGF)

LaTeX Go Zero Sequence Voltage LG = (Fault Impedance LG*A-Phase Current LG)-(Negative Sequence Voltage LG)-(Positive Sequence Voltage LG)

Positive Sequence Voltage for L-G-F

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

Zero Sequence Voltage for LGF

LaTeX Go Zero Sequence Voltage LG = -Zero Sequence Impedance LG*Zero Sequence Current LG

A-Phase Voltage(LGF)

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

Negative Sequence Voltage for LGF Formula

LaTeX Go

Negative Sequence Voltage LG = -Negative Sequence Impedance LG*Negative Sequence Current LG
V_2(lg) = -Z_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 Voltage for LGF?

Negative Sequence Voltage for LGF calculator uses Negative Sequence Voltage LG = -Negative Sequence Impedance LG*Negative Sequence Current LG to calculate the Negative Sequence Voltage LG, The Negative Sequence Voltage for LGF formula is 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 is denoted by V_2(lg) symbol.

How to calculate Negative Sequence Voltage for LGF using this online calculator? To use this online calculator for Negative Sequence Voltage for LGF, enter Negative Sequence Impedance LG (Z_2(lg)) & Negative Sequence Current LG (I_2(lg)) and hit the calculate button. Here is how the Negative Sequence Voltage for LGF calculation can be explained with given input values -> -16.056 = -(-44.6)*(-0.36).

FAQ

What is Negative Sequence Voltage for LGF?

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

The Negative Sequence Voltage for LGF formula is consists of balanced three-phase voltage and current phasors which are exactly at ₁₂₀ degrees apart rotating counterclockwise in ACB rotation is calculated using Negative Sequence Voltage LG = -Negative Sequence Impedance LG*Negative Sequence Current LG. To calculate Negative Sequence Voltage for LGF, you need Negative Sequence Impedance LG (Z_2(lg)) & Negative Sequence Current LG (I_2(lg)). With our tool, you need to enter the respective value for Negative Sequence Impedance 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 Voltage LG?

In this formula, Negative Sequence Voltage LG uses Negative Sequence Impedance LG & Negative Sequence Current LG. We can use 2 other way(s) to calculate the same, which is/are as follows -

Negative Sequence Voltage LG = (Fault Impedance LG*A-Phase Current LG)-Positive Sequence Voltage LG-Zero Sequence Voltage LG
Negative Sequence Voltage LG = (-A Phase EMF LG*Negative Sequence Impedance LG)/(Zero Sequence Impedance LG+Positive Sequence Impedance LG+Negative Sequence Impedance LG)

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