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Positive Sequence Current using Positive Sequence Voltage (LLGF) Formula

GoPositive Sequence Current using A-Phase EMF and Sequence Impedances(LLGF) Formula

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

I 1 = \frac{E a - V 1}{Z 1}

I₁ - Positive Sequence Current?E_a - A Phase EMF?V₁ - Positive Sequence Voltage?Z₁ - Positive Sequence Impedance?

Positive Sequence Current using Positive Sequence Voltage (LLGF) Example

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Here is how the Positive Sequence Current using Positive Sequence Voltage (LLGF) equation looks like with Values.

Here is how the Positive Sequence Current using Positive Sequence Voltage (LLGF) equation looks like with Units.

Here is how the Positive Sequence Current using Positive Sequence Voltage (LLGF) equation looks like.

1.4962 = \frac{29.38 - 17.5}{7.94}

1.4962A = \frac{29.38V - 17.5V}{7.94Ω}

1.4962 = \frac{29.38 - 17.5}{7.94}

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Positive Sequence Current using Positive Sequence Voltage (LLGF) Solution

Follow our step by step solution on how to calculate Positive Sequence Current using Positive Sequence Voltage (LLGF)?

FIRST Step Consider the formula

I 1 = \frac{E a - V 1}{Z 1}

Next Step Substitute values of Variables

∴

I 1 = \frac{29.38V - 17.5V}{7.94Ω}

Next Step Prepare to Evaluate

∴

I 1 = \frac{29.38 - 17.5}{7.94}

Next Step Evaluate

∴

I 1 = 1.49622166246851A

LAST Step Rounding Answer

∴

I 1 = 1.4962A

Positive Sequence Current using Positive Sequence Voltage (LLGF) Formula Elements

Variables

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

A Phase EMF

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

Symbol: E_a

Measurement: Electric PotentialUnit: V

Note: Value can be positive or negative.

Formulas to find A Phase EMF

Positive Sequence Voltage

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

Symbol: V₁

Measurement: Electric PotentialUnit: V

Note: Value should be greater than 0.

Formulas to find Positive Sequence Voltage

Positive Sequence Impedance

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

Symbol: Z₁

Measurement: Electric ResistanceUnit: Ω

Note: Value should be greater than 0.

Formulas to find Positive Sequence Impedance

Other Formulas to find Positive Sequence Current

Go Positive Sequence Current using A-Phase EMF and Sequence Impedances(LLGF)

I 1 = \frac{E a}{Z 1 + \frac{Z 2 \cdot (Z 0 + 3 \cdot Z f)}{Z 0 + Z 2 + 3 \cdot Z f}}

Other formulas in Current category

Go B-Phase Current (LLGF)

I b = I f - I c

Go C-Phase Current (LLGF)

I c = I f - I b

Go Fault Current (LLGF)

I f = I b + I c

Go Fault Current using B-Phase Voltage (LLGF)

I f = \frac{V b}{Z f}

How to Evaluate Positive Sequence Current using Positive Sequence Voltage (LLGF)?

Positive Sequence Current using Positive Sequence Voltage (LLGF) evaluator uses Positive Sequence Current = (A Phase EMF-Positive Sequence Voltage)/Positive Sequence Impedance to evaluate the Positive Sequence Current, The Positive Sequence current using positive sequence voltage (LLGF) formula is defined as consists of balanced three-phase current phasors which are exactly at ₁₂₀ degrees apart rotating counterclockwise in ABC rotation. Positive Sequence Current is denoted by I₁ symbol.

How to evaluate Positive Sequence Current using Positive Sequence Voltage (LLGF) using this online evaluator? To use this online evaluator for Positive Sequence Current using Positive Sequence Voltage (LLGF), enter A Phase EMF (E_a), Positive Sequence Voltage (V₁) & Positive Sequence Impedance (Z₁) and hit the calculate button.

FAQs on Positive Sequence Current using Positive Sequence Voltage (LLGF)

What is the formula to find Positive Sequence Current using Positive Sequence Voltage (LLGF)?

The formula of Positive Sequence Current using Positive Sequence Voltage (LLGF) is expressed as Positive Sequence Current = (A Phase EMF-Positive Sequence Voltage)/Positive Sequence Impedance. Here is an example- 1.496222 = (29.38-17.5)/7.94.

How to calculate Positive Sequence Current using Positive Sequence Voltage (LLGF)?

With A Phase EMF (E_a), Positive Sequence Voltage (V₁) & Positive Sequence Impedance (Z₁) we can find Positive Sequence Current using Positive Sequence Voltage (LLGF) using the formula - Positive Sequence Current = (A Phase EMF-Positive Sequence Voltage)/Positive Sequence Impedance.

What are the other ways to Calculate Positive Sequence Current?

Here are the different ways to Calculate Positive Sequence Current-

Positive Sequence Current=A Phase EMF/(Positive Sequence Impedance+(Negative Sequence Impedance*(Zero Sequence Impedance+3*Fault Impedance))/(Zero Sequence Impedance+Negative Sequence Impedance+3*Fault Impedance))

Can the Positive Sequence Current using Positive Sequence Voltage (LLGF) be negative?

Yes, the Positive Sequence Current using Positive Sequence Voltage (LLGF), measured in Electric Current can be negative.

Which unit is used to measure Positive Sequence Current using Positive Sequence Voltage (LLGF)?

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

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