Zero 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%
✖Zero Sequence Current LG consists of a balanced three-phase current, phasors of which all have the same phase angles and rotate counterclockwise together.ⓘ Zero Sequence Current LG [I_0(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%
✖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%

✖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 using A-Phase EMF (LGF) [Z_0(lg)]

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

STEP 0: Pre-Calculation Summary

Formula Used

Zero Sequence Impedance LG = (EMF Induced in Primary Winding LG/Zero Sequence Current LG)-(3*Fault Impedance LG)-Positive Sequence Impedance LG-Negative Sequence Impedance LG
Z_0(lg) = (E_1(lg)/I_0(lg))-(3*Z_f(lg))-Z_1(lg)-Z_2(lg)
This formula uses 6 Variables

Variables Used

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.
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.
Zero Sequence Current LG - (Measured in Ampere) - Zero Sequence Current LG consists of a balanced three-phase current, phasors of which all have the same phase angles and rotate counterclockwise together.
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.
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.

STEP 1: Convert Input(s) to Base Unit

EMF Induced in Primary Winding LG: 20.5 Volt --> 20.5 Volt No Conversion Required
Zero Sequence Current LG: 2.2 Ampere --> 2.2 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
Negative Sequence Impedance LG: -44.6 Ohm --> -44.6 Ohm No Conversion Required

STEP 2: Evaluate Formula

Substituting Input Values in Formula

Z_0(lg) = (E_1(lg)/I_0(lg))-(3*Z_f(lg))-Z_1(lg)-Z_2(lg) --> (20.5/2.2)-(3*1.5)-7.94-(-44.6)

Evaluating ... ...

Z_0(lg) = 41.4781818181818

STEP 3: Convert Result to Output's Unit

41.4781818181818 Ohm --> No Conversion Required

FINAL ANSWER

41.4781818181818 ≈ 41.47818 Ohm <-- Zero 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

Zero 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 Zero Sequence Impedance using A-Phase EMF (LGF)?

Zero Sequence Impedance using A-Phase EMF (LGF) calculator uses Zero Sequence Impedance LG = (EMF Induced in Primary Winding LG/Zero Sequence Current LG)-(3*Fault Impedance LG)-Positive Sequence Impedance LG-Negative Sequence Impedance LG to calculate the Zero Sequence Impedance LG, The Zero Sequence Impedance using a-phase EMF (LGF) formula is consists of balanced three-phase impedance phasors of which all have the same phase angles and rotate counterclockwise together. Zero Sequence Impedance LG is denoted by Z_0(lg) symbol.

How to calculate Zero Sequence Impedance using A-Phase EMF (LGF) using this online calculator? To use this online calculator for Zero Sequence Impedance using A-Phase EMF (LGF), enter EMF Induced in Primary Winding LG (E_1(lg)), Zero Sequence Current LG (I_0(lg)), Fault Impedance LG (Z_f(lg)), Positive Sequence Impedance LG (Z_1(lg)) & Negative Sequence Impedance LG (Z_2(lg)) and hit the calculate button. Here is how the Zero Sequence Impedance using A-Phase EMF (LGF) calculation can be explained with given input values -> 41.47818 = (20.5/2.2)-(3*1.5)-7.94-(-44.6).

FAQ

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

The Zero Sequence Impedance using a-phase EMF (LGF) formula is consists of balanced three-phase impedance phasors of which all have the same phase angles and rotate counterclockwise together and is represented as Z_0(lg) = (E_1(lg)/I_0(lg))-(3*Z_f(lg))-Z_1(lg)-Z_2(lg) or Zero Sequence Impedance LG = (EMF Induced in Primary Winding LG/Zero Sequence Current LG)-(3*Fault Impedance LG)-Positive Sequence Impedance LG-Negative 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, Zero Sequence Current LG consists of a balanced three-phase current, phasors of which all have the same phase angles and rotate counterclockwise together, 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 & Negative Sequence Impedance LG consists of balanced three-phase impedance phasors which are exactly at 120 degrees apart rotating counterclockwise in ACB rotation.

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

The Zero Sequence Impedance using a-phase EMF (LGF) formula is consists of balanced three-phase impedance phasors of which all have the same phase angles and rotate counterclockwise together is calculated using Zero Sequence Impedance LG = (EMF Induced in Primary Winding LG/Zero Sequence Current LG)-(3*Fault Impedance LG)-Positive Sequence Impedance LG-Negative Sequence Impedance LG. To calculate Zero Sequence Impedance using A-Phase EMF (LGF), you need EMF Induced in Primary Winding LG (E_1(lg)), Zero Sequence Current LG (I_0(lg)), Fault Impedance LG (Z_f(lg)), Positive Sequence Impedance LG (Z_1(lg)) & Negative Sequence Impedance LG (Z_2(lg)). With our tool, you need to enter the respective value for EMF Induced in Primary Winding LG, Zero Sequence Current LG, Fault Impedance LG, Positive Sequence Impedance LG & Negative 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 Zero Sequence Impedance LG?

In this formula, Zero Sequence Impedance LG uses EMF Induced in Primary Winding LG, Zero Sequence Current LG, Fault Impedance LG, Positive Sequence Impedance LG & Negative Sequence Impedance LG. We can use 1 other way(s) to calculate the same, which is/are as follows -

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

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