Negative Sequence Impedance using A-Phase EMF (LGF) Calculator

✖EMF Induced in Primary Winding LG is the production of voltage in a coil because of the change in magnetic flux through a coil.ⓘ EMF Induced in Primary Winding LG [E_1(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%
✖Fault Impedance LG is a measure of the resistance and reactance in an electrical circuit that is used to calculate the fault current that flows through the circuit in the event of a fault.ⓘ Fault Impedance LG [Z_f(lg)]			+10% -10%
✖Positive Sequence Impedance LG consists of balanced three-phase voltage and current phasors which are exactly at 120 degrees apart rotating counterclockwise in ABC rotation.ⓘ Positive Sequence Impedance LG [Z_1(lg)]			+10% -10%
✖Zero Sequence Impedance LG consists of a balanced three-phase voltage and current, phasors of which all have the same phase angles and rotate counter clockwise together.ⓘ Zero Sequence Impedance LG [Z_0(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 using A-Phase EMF (LGF) [Z_2(lg)]

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Negative Sequence Impedance using A-Phase EMF (LGF) Solution

STEP 0: Pre-Calculation Summary

Formula Used

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
Z_2(lg) = (E_1(lg)/I_2(lg))-(3*Z_f(lg))-Z_1(lg)-Z_0(lg)
This formula uses 6 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.
EMF Induced in Primary Winding LG - (Measured in Volt) - EMF Induced in Primary Winding LG is the production of voltage in a coil because of the change in magnetic flux through a coil.
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.
Fault Impedance LG - (Measured in Ohm) - Fault Impedance LG is a measure of the resistance and reactance in an electrical circuit that is used to calculate the fault current that flows through the circuit in the event of a fault.
Positive Sequence Impedance LG - (Measured in Ohm) - Positive Sequence Impedance LG consists of balanced three-phase voltage and current phasors which are exactly at 120 degrees apart rotating counterclockwise in ABC rotation.
Zero Sequence Impedance LG - (Measured in Ohm) - Zero Sequence Impedance LG consists of a balanced three-phase voltage and current, phasors of which all have the same phase angles and rotate counter clockwise together.

STEP 1: Convert Input(s) to Base Unit

EMF Induced in Primary Winding LG: 20.5 Volt --> 20.5 Volt No Conversion Required
Negative Sequence Current LG: -0.36 Ampere --> -0.36 Ampere No Conversion Required
Fault Impedance LG: 1.5 Ohm --> 1.5 Ohm No Conversion Required
Positive Sequence Impedance LG: 7.94 Ohm --> 7.94 Ohm No Conversion Required
Zero Sequence Impedance LG: 8 Ohm --> 8 Ohm No Conversion Required

STEP 2: Evaluate Formula

Substituting Input Values in Formula

Z_2(lg) = (E_1(lg)/I_2(lg))-(3*Z_f(lg))-Z_1(lg)-Z_0(lg) --> (20.5/(-0.36))-(3*1.5)-7.94-8

Evaluating ... ...

Z_2(lg) = -77.3844444444445

STEP 3: Convert Result to Output's Unit

-77.3844444444445 Ohm --> No Conversion Required

FINAL ANSWER

-77.3844444444445 ≈ -77.384444 Ohm <-- Negative Sequence Impedance LG

(Calculation completed in 00.004 seconds)

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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 using A-Phase EMF (LGF) Formula

LaTeX Go

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 using A-Phase EMF (LGF)?

Negative Sequence Impedance using A-Phase EMF (LGF) calculator uses 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 to calculate the Negative Sequence Impedance LG, The Negative Sequence Impedance using a-phase EMF (LGF) 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 using A-Phase EMF (LGF) using this online calculator? To use this online calculator for Negative Sequence Impedance using A-Phase EMF (LGF), enter EMF Induced in Primary Winding LG (E_1(lg)), Negative Sequence Current LG (I_2(lg)), Fault Impedance LG (Z_f(lg)), Positive Sequence Impedance LG (Z_1(lg)) & Zero Sequence Impedance LG (Z_0(lg)) and hit the calculate button. Here is how the Negative Sequence Impedance using A-Phase EMF (LGF) calculation can be explained with given input values -> -77.384444 = (20.5/(-0.36))-(3*1.5)-7.94-8.

FAQ

What is Negative Sequence Impedance using A-Phase EMF (LGF)?

The Negative Sequence Impedance using a-phase EMF (LGF) 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) = (E_1(lg)/I_2(lg))-(3*Z_f(lg))-Z_1(lg)-Z_0(lg) or 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. EMF Induced in Primary Winding LG is the production of voltage in a coil because of the change in magnetic flux through a coil, Negative Sequence Current LG consists of balanced three-phase current phasors which are exactly at 120 degrees apart rotating counterclockwise in ACB rotation, Fault Impedance LG is a measure of the resistance and reactance in an electrical circuit that is used to calculate the fault current that flows through the circuit in the event of a fault, Positive Sequence Impedance LG consists of balanced three-phase voltage and current phasors which are exactly at 120 degrees apart rotating counterclockwise in ABC rotation & Zero Sequence Impedance LG consists of a balanced three-phase voltage and current, phasors of which all have the same phase angles and rotate counter clockwise together.

How to calculate Negative Sequence Impedance using A-Phase EMF (LGF)?

The Negative Sequence Impedance using a-phase EMF (LGF) 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 = (EMF Induced in Primary Winding LG/Negative Sequence Current LG)-(3*Fault Impedance LG)-Positive Sequence Impedance LG-Zero Sequence Impedance LG. To calculate Negative Sequence Impedance using A-Phase EMF (LGF), you need EMF Induced in Primary Winding LG (E_1(lg)), Negative Sequence Current LG (I_2(lg)), Fault Impedance LG (Z_f(lg)), Positive Sequence Impedance LG (Z_1(lg)) & Zero Sequence Impedance LG (Z_0(lg)). With our tool, you need to enter the respective value for EMF Induced in Primary Winding LG, Negative Sequence Current LG, Fault Impedance LG, Positive Sequence Impedance LG & Zero Sequence Impedance 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 EMF Induced in Primary Winding LG, Negative Sequence Current LG, Fault Impedance LG, Positive Sequence Impedance LG & Zero Sequence Impedance LG. We can use 1 other way(s) to calculate the same, which is/are as follows -

Negative Sequence Impedance LG = (-1)*Negative Sequence Voltage LG/Negative Sequence Current LG

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