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Negative Sequence Current(LLF) Formula

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Negative Sequence Current consists of balanced three-phase current phasors which are exactly at 120 degrees apart rotating counterclockwise in ACB rotation. Check FAQs

I 2 = (- 1) \cdot I 1

I₂ - Negative Sequence Current?I₁ - Positive Sequence Current?

Negative Sequence Current(LLF) Example

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Here is how the Negative Sequence Current(LLF) equation looks like with Values.

Here is how the Negative Sequence Current(LLF) equation looks like with Units.

Here is how the Negative Sequence Current(LLF) equation looks like.

-2.001 = (- 1) \cdot 2.001

-2.001A = (- 1) \cdot 2.001A

-2.001 = (- 1) \cdot 2.001

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Negative Sequence Current(LLF) Solution

Follow our step by step solution on how to calculate Negative Sequence Current(LLF)?

FIRST Step Consider the formula

I 2 = (- 1) \cdot I 1

Next Step Substitute values of Variables

∴

I 2 = (- 1) \cdot 2.001A

Next Step Prepare to Evaluate

∴

I 2 = (- 1) \cdot 2.001

LAST Step Evaluate

∴

I 2 = -2.001A

Negative Sequence Current(LLF) Formula Elements

Variables

Negative Sequence Current

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

Symbol: I₂

Measurement: Electric CurrentUnit: A

Note: Value can be positive or negative.

Formulas to find Negative Sequence Current

Positive Sequence Current

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

Symbol: I₁

Measurement: Electric CurrentUnit: A

Note: Value can be positive or negative.

Formulas to find Positive Sequence Current

Other formulas in Current category

Go B-Phase Current (LLF)

I b = (- 1) \cdot I c

Go C-Phase Current(LLF)

I c = (- 1) \cdot I b

Go Positive Sequence Current (LLF)

I 1 = (- 1) \cdot I 2

Go Positive Sequence Current using Fault Impedance(LLF)

I 1 = \frac{V 1 - V 2}{Z f}

How to Evaluate Negative Sequence Current(LLF)?

Negative Sequence Current(LLF) evaluator uses Negative Sequence Current = (-1)*Positive Sequence Current to evaluate the Negative Sequence Current, The Negative Sequence Current(LLF) formula is defined as consists of balanced three-phase voltage and current phasors which are exactly at ₁₂₀ degrees apart rotating counterclockwise in ACB rotation. Negative Sequence Current is denoted by I₂ symbol.

How to evaluate Negative Sequence Current(LLF) using this online evaluator? To use this online evaluator for Negative Sequence Current(LLF), enter Positive Sequence Current (I₁) and hit the calculate button.

FAQs on Negative Sequence Current(LLF)

What is the formula to find Negative Sequence Current(LLF)?

The formula of Negative Sequence Current(LLF) is expressed as Negative Sequence Current = (-1)*Positive Sequence Current. Here is an example- -2.001 = (-1)*2.001.

How to calculate Negative Sequence Current(LLF)?

With Positive Sequence Current (I₁) we can find Negative Sequence Current(LLF) using the formula - Negative Sequence Current = (-1)*Positive Sequence Current.

Can the Negative Sequence Current(LLF) be negative?

Yes, the Negative Sequence Current(LLF), measured in Electric Current can be negative.

Which unit is used to measure Negative Sequence Current(LLF)?

Negative Sequence Current(LLF) is usually measured using the Ampere[A] for Electric Current. Milliampere[A], Microampere[A], Centiampere[A] are the few other units in which Negative Sequence Current(LLF) can be measured.

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