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Negative Sequence Voltage using A-Phase EMF and Sequence Impedances(LGF) Formula

GoNegative Sequence Voltage using A-Phase Current (LGF) Formula

GoNegative Sequence Voltage for LGF Formula

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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. Check FAQs

V 2(lg) = \frac{- E a(lg) \cdot Z 2(lg)}{Z 0(lg) + Z 1(lg) + Z 2(lg)}

V_2(lg) - Negative Sequence Voltage LG?E_a(lg) - A Phase EMF LG?Z_2(lg) - Negative Sequence Impedance LG?Z_0(lg) - Zero Sequence Impedance LG?Z_1(lg) - Positive Sequence Impedance LG?

Negative Sequence Voltage using A-Phase EMF and Sequence Impedances(LGF) Example

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Here is how the Negative Sequence Voltage using A-Phase EMF and Sequence Impedances(LGF) equation looks like.

-45.7204 = \frac{- 29.38 \cdot -44.6}{8 + 7.94 + -44.6}

-45.7204V = \frac{- 29.38V \cdot -44.6Ω}{8Ω + 7.94Ω + -44.6Ω}

-45.7204 = \frac{- 29.38 \cdot -44.6}{8 + 7.94 + -44.6}

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Negative Sequence Voltage using A-Phase EMF and Sequence Impedances(LGF) Solution

Follow our step by step solution on how to calculate Negative Sequence Voltage using A-Phase EMF and Sequence Impedances(LGF)?

FIRST Step Consider the formula

V 2(lg) = \frac{- E a(lg) \cdot Z 2(lg)}{Z 0(lg) + Z 1(lg) + Z 2(lg)}

Next Step Substitute values of Variables

∴

V 2(lg) = \frac{- 29.38V \cdot -44.6Ω}{8Ω + 7.94Ω + -44.6Ω}

Next Step Prepare to Evaluate

∴

V 2(lg) = \frac{- 29.38 \cdot -44.6}{8 + 7.94 + -44.6}

Next Step Evaluate

∴

V 2(lg) = -45.720446615492V

LAST Step Rounding Answer

∴

V 2(lg) = -45.7204V

Negative Sequence Voltage using A-Phase EMF and Sequence Impedances(LGF) Formula Elements

Variables

Negative Sequence Voltage 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.

Symbol: V_2(lg)

Measurement: Electric PotentialUnit: V

Note: Value can be positive or negative.

Formulas to find Negative Sequence Voltage LG

A Phase EMF LG

A phase EMF LG is defined as the electromagnetic force of the a-phase in open conductor fault.

Symbol: E_a(lg)

Measurement: Electric PotentialUnit: V

Note: Value can be positive or negative.

Formulas to find A Phase EMF LG

Negative Sequence Impedance LG

Negative Sequence Impedance LG consists of balanced three-phase impedance phasors which are exactly at 120 degrees apart rotating counterclockwise in ACB rotation.

Symbol: Z_2(lg)

Measurement: Electric ResistanceUnit: Ω

Note: Value can be positive or negative.

Formulas to find Negative Sequence Impedance LG

Zero Sequence Impedance LG

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.

Symbol: Z_0(lg)

Measurement: Electric ResistanceUnit: Ω

Note: Value can be positive or negative.

Formulas to find Zero Sequence Impedance LG

Positive Sequence Impedance LG

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.

Symbol: Z_1(lg)

Measurement: Electric ResistanceUnit: Ω

Note: Value should be greater than 0.

Formulas to find Positive Sequence Impedance LG

Other Formulas to find Negative Sequence Voltage LG

Go Negative Sequence Voltage using A-Phase Current (LGF)

V 2(lg) = (Z f(lg) \cdot I a(lg)) - V 1(lg) - V 0(lg)

Go Negative Sequence Voltage for LGF

V 2(lg) = - Z 2(lg) \cdot I 2(lg)

Other formulas in Voltage and EMF category

Go Zero Sequence Voltage using A-Phase Current (LGF)

V 0(lg) = (Z f(lg) \cdot I a(lg)) - (V 2(lg)) - (V 1(lg))

Go A-Phase Voltage(LGF)

V a(lg) = Z f(lg) \cdot I a(lg)

Go Positive Sequence Voltage for L-G-F

V 1(lg) = E 1(lg) - (Z 1(lg) \cdot I 1(lg))

Go Zero Sequence Voltage for LGF

V 0(lg) = - Z 0(lg) \cdot I 0(lg)

How to Evaluate Negative Sequence Voltage using A-Phase EMF and Sequence Impedances(LGF)?

Negative Sequence Voltage using A-Phase EMF and Sequence Impedances(LGF) evaluator uses Negative Sequence Voltage LG = (-A Phase EMF LG*Negative Sequence Impedance LG)/(Zero Sequence Impedance LG+Positive Sequence Impedance LG+Negative Sequence Impedance LG) to evaluate the Negative Sequence Voltage LG, The Negative sequence voltage using A-phase EMF and sequence impedances(LGF) formula 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 evaluate Negative Sequence Voltage using A-Phase EMF and Sequence Impedances(LGF) using this online evaluator? To use this online evaluator for Negative Sequence Voltage using A-Phase EMF and Sequence Impedances(LGF), enter A Phase EMF LG (E_a(lg)), Negative Sequence Impedance LG (Z_2(lg)), Zero Sequence Impedance LG (Z_0(lg)) & Positive Sequence Impedance LG (Z_1(lg)) and hit the calculate button.

FAQs on Negative Sequence Voltage using A-Phase EMF and Sequence Impedances(LGF)

What is the formula to find Negative Sequence Voltage using A-Phase EMF and Sequence Impedances(LGF)?

The formula of Negative Sequence Voltage using A-Phase EMF and Sequence Impedances(LGF) is expressed as Negative Sequence Voltage LG = (-A Phase EMF LG*Negative Sequence Impedance LG)/(Zero Sequence Impedance LG+Positive Sequence Impedance LG+Negative Sequence Impedance LG). Here is an example- -45.720447 = (-29.38*(-44.6))/(8+7.94+(-44.6)).

How to calculate Negative Sequence Voltage using A-Phase EMF and Sequence Impedances(LGF)?

With A Phase EMF LG (E_a(lg)), Negative Sequence Impedance LG (Z_2(lg)), Zero Sequence Impedance LG (Z_0(lg)) & Positive Sequence Impedance LG (Z_1(lg)) we can find Negative Sequence Voltage using A-Phase EMF and Sequence Impedances(LGF) using the formula - Negative Sequence Voltage LG = (-A Phase EMF LG*Negative Sequence Impedance LG)/(Zero Sequence Impedance LG+Positive Sequence Impedance LG+Negative Sequence Impedance LG).

What are the other ways to Calculate Negative Sequence Voltage LG?

Here are the different ways to Calculate Negative Sequence Voltage LG-

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

Can the Negative Sequence Voltage using A-Phase EMF and Sequence Impedances(LGF) be negative?

Yes, the Negative Sequence Voltage using A-Phase EMF and Sequence Impedances(LGF), measured in Electric Potential can be negative.

Which unit is used to measure Negative Sequence Voltage using A-Phase EMF and Sequence Impedances(LGF)?

Negative Sequence Voltage using A-Phase EMF and Sequence Impedances(LGF) is usually measured using the Volt[V] for Electric Potential. Millivolt[V], Microvolt[V], Nanovolt[V] are the few other units in which Negative Sequence Voltage using A-Phase EMF and Sequence Impedances(LGF) can be measured.

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Negative Sequence Voltage using A-Phase EMF and Sequence Impedances(LGF) Formula

​GoNegative Sequence Voltage using A-Phase Current (LGF) Formula

​GoNegative Sequence Voltage for LGF Formula

Negative Sequence Voltage using A-Phase EMF and Sequence Impedances(LGF) Example

Negative Sequence Voltage using A-Phase EMF and Sequence Impedances(LGF) Solution

Negative Sequence Voltage using A-Phase EMF and Sequence Impedances(LGF) Formula Elements

Other Formulas to find Negative Sequence Voltage LG

Other formulas in Voltage and EMF category

How to Evaluate Negative Sequence Voltage using A-Phase EMF and Sequence Impedances(LGF)?

FAQs on Negative Sequence Voltage using A-Phase EMF and Sequence Impedances(LGF)

Variable Name

GoNegative Sequence Voltage using A-Phase Current (LGF) Formula

GoNegative Sequence Voltage for LGF Formula