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

GoNegative Sequence Voltage for LGF Formula

GoNegative Sequence Voltage using A-Phase EMF and Sequence Impedances(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) = (Z f(lg) \cdot I a(lg)) - V 1(lg) - V 0(lg)

V_2(lg) - Negative Sequence Voltage LG?Z_f(lg) - Fault Impedance LG?I_a(lg) - A-Phase Current LG?V_1(lg) - Positive Sequence Voltage LG?V_0(lg) - Zero Sequence Voltage LG?

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

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Here is how the Negative Sequence Voltage using A-Phase Current (LGF) equation looks like with Values.

Here is how the Negative Sequence Voltage using A-Phase Current (LGF) equation looks like with Units.

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

-31.905 = (1.5 \cdot 2.13) - 17.5 - 17.6

-31.905V = (1.5Ω \cdot 2.13A) - 17.5V - 17.6V

-31.905 = (1.5 \cdot 2.13) - 17.5 - 17.6

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

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

FIRST Step Consider the formula

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

Next Step Substitute values of Variables

∴

V 2(lg) = (1.5Ω \cdot 2.13A) - 17.5V - 17.6V

Next Step Prepare to Evaluate

∴

V 2(lg) = (1.5 \cdot 2.13) - 17.5 - 17.6

LAST Step Evaluate

∴

V 2(lg) = -31.905V

Negative Sequence Voltage using A-Phase Current (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

Fault Impedance LG

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.

Symbol: Z_f(lg)

Measurement: Electric ResistanceUnit: Ω

Note: Value should be greater than 0.

Formulas to find Fault Impedance LG

A-Phase Current LG

A-phase Current LG is the current that flows into the a-phase in open conductor fault.

Symbol: I_a(lg)

Measurement: Electric CurrentUnit: A

Note: Value can be positive or negative.

Formulas to find A-Phase Current LG

Positive Sequence Voltage LG

Positive Sequence Voltage LG consists of balanced three-phase voltage and current phasors which are exactly at 120 degrees apart rotating counterclockwise in ABC rotation.

Symbol: V_1(lg)

Measurement: Electric PotentialUnit: V

Note: Value should be greater than 0.

Formulas to find Positive Sequence Voltage LG

Zero Sequence Voltage LG

Zero Sequence Voltage LG consists of a balanced three-phase voltage and current, phasors of which all have the same phase angles and rotate counterclockwise together.

Symbol: V_0(lg)

Measurement: Electric PotentialUnit: V

Note: Value can be positive or negative.

Formulas to find Zero Sequence Voltage LG

Other Formulas to find Negative Sequence Voltage LG

Go Negative Sequence Voltage for LGF

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

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

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

Negative Sequence Voltage using A-Phase Current (LGF) evaluator uses Negative Sequence Voltage LG = (Fault Impedance LG*A-Phase Current LG)-Positive Sequence Voltage LG-Zero Sequence Voltage LG to evaluate the Negative Sequence Voltage LG, The Negative Sequence Voltage using a-phase current (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 evaluate Negative Sequence Voltage using A-Phase Current (LGF) using this online evaluator? To use this online evaluator for Negative Sequence Voltage using A-Phase Current (LGF), enter Fault Impedance LG (Z_f(lg)), A-Phase Current LG (I_a(lg)), Positive Sequence Voltage LG (V_1(lg)) & Zero Sequence Voltage LG (V_0(lg)) and hit the calculate button.

FAQs on Negative Sequence Voltage using A-Phase Current (LGF)

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

The formula of Negative Sequence Voltage using A-Phase Current (LGF) is expressed as Negative Sequence Voltage LG = (Fault Impedance LG*A-Phase Current LG)-Positive Sequence Voltage LG-Zero Sequence Voltage LG. Here is an example- -31.905 = (1.5*2.13)-17.5-17.6.

How to calculate Negative Sequence Voltage using A-Phase Current (LGF)?

With Fault Impedance LG (Z_f(lg)), A-Phase Current LG (I_a(lg)), Positive Sequence Voltage LG (V_1(lg)) & Zero Sequence Voltage LG (V_0(lg)) we can find Negative Sequence Voltage using A-Phase Current (LGF) using the formula - Negative Sequence Voltage LG = (Fault Impedance LG*A-Phase Current LG)-Positive Sequence Voltage LG-Zero Sequence Voltage 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=-Negative Sequence Impedance LG*Negative Sequence Current 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)

Can the Negative Sequence Voltage using A-Phase Current (LGF) be negative?

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

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

Negative Sequence Voltage using A-Phase Current (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 Current (LGF) can be measured.

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

​GoNegative Sequence Voltage for LGF Formula

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

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

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

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

FAQs on Negative Sequence Voltage using A-Phase Current (LGF)

Variable Name

GoNegative Sequence Voltage for LGF Formula

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