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A-phase Current LG is the current that flows into the a-phase in open conductor fault. Check FAQs
Ia(lg)=I0(lg)+I1(lg)+I2(lg)
Ia(lg) - A-Phase Current LG?I0(lg) - Zero Sequence Current LG?I1(lg) - Positive Sequence Current LG?I2(lg) - Negative Sequence Current LG?

A-Phase Current using Sequence Current(LGF) Example

With values
With units
Only example

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

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

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

3.841Edit=2.2Edit+2.001Edit+-0.36Edit
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A-Phase Current using Sequence Current(LGF) Solution

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

FIRST Step Consider the formula
Ia(lg)=I0(lg)+I1(lg)+I2(lg)
Next Step Substitute values of Variables
∴ Ia(lg)=2.2A+2.001A+-0.36A
Next Step Prepare to Evaluate
∴ Ia(lg)=2.2+2.001+-0.36
LAST Step Evaluate
∴Ia(lg)=3.841A

A-Phase Current using Sequence Current(LGF) Formula Elements

Variables
A-Phase Current LG
A-phase Current LG is the current that flows into the a-phase in open conductor fault.
Symbol: Ia(lg)
Measurement: Electric CurrentUnit: A
Note: Value can be positive or negative.
Formulas to find A-Phase Current LGOpen Variable
Zero Sequence Current LG
Zero Sequence Current LG consists of a balanced three-phase current, phasors of which all have the same phase angles and rotate counterclockwise together.
Symbol: I0(lg)
Measurement: Electric CurrentUnit: A
Note: Value can be positive or negative.
Formulas to find Zero Sequence Current LGOpen Variable
Positive Sequence Current LG
Positive Sequence Current LG consists of balanced three-phase voltage and current phasors which are exactly at 120 degrees apart rotating counterclockwise in ABC rotation.
Symbol: I1(lg)
Measurement: Electric CurrentUnit: A
Note: Value can be positive or negative.
Formulas to find Positive Sequence Current LGOpen Variable
Negative Sequence Current LG
Negative Sequence Current LG consists of balanced three-phase current phasors which are exactly at 120 degrees apart rotating counterclockwise in ACB rotation.
Symbol: I2(lg)
Measurement: Electric CurrentUnit: A
Note: Value can be positive or negative.
Formulas to find Negative Sequence Current LGOpen Variable

Other Formulas to find A-Phase Current LG

​Go A-Phase Current using Positive Sequence Current (LGF)
Ia(lg)=I1(lg)⋅3
​Go A-Phase Current using Negative Sequence Current (LGF)
Ia(lg)=3⋅I2(lg)
​Go A-Phase Current using Zero Sequence Current (LGF)
Ia(lg)=I0(lg)⋅3
​Go A-Phase Current using A-Phase Voltage(LGF)
Ia(lg)=Va(lg)Zf(lg)

Other formulas in Current category

​Go Positive Sequence Current using Fault Impedance(LGF)
I1(lg)=V1(lg)+V2(lg)+V0(lg)3⋅Zf(lg)
​Go Positive Sequence Current using A-Phase Current (LGF)
I1(lg)=Ia(lg)3
​Go Negative Sequence Current using A-Phase Current (LGF)
I2(lg)=Ia(lg)3
​Go Zero Sequence Current using A-Phase Current (LGF)
I0(lg)=Ia(lg)3

How to Evaluate A-Phase Current using Sequence Current(LGF)?

A-Phase Current using Sequence Current(LGF) evaluator uses A-Phase Current LG = Zero Sequence Current LG+Positive Sequence Current LG+Negative Sequence Current LG to evaluate the A-Phase Current LG, The A-phase current using Sequence Current(LGF) formula is defined as the current through any one component comprising a three-phase source or load. here we have taken the a-phase. A-Phase Current LG is denoted by Ia(lg) symbol.

How to evaluate A-Phase Current using Sequence Current(LGF) using this online evaluator? To use this online evaluator for A-Phase Current using Sequence Current(LGF), enter Zero Sequence Current LG (I0(lg)), Positive Sequence Current LG (I1(lg)) & Negative Sequence Current LG (I2(lg)) and hit the calculate button.

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

What is the formula to find A-Phase Current using Sequence Current(LGF)?
The formula of A-Phase Current using Sequence Current(LGF) is expressed as A-Phase Current LG = Zero Sequence Current LG+Positive Sequence Current LG+Negative Sequence Current LG. Here is an example- 3.841 = 2.2+2.001+(-0.36).
How to calculate A-Phase Current using Sequence Current(LGF)?
With Zero Sequence Current LG (I0(lg)), Positive Sequence Current LG (I1(lg)) & Negative Sequence Current LG (I2(lg)) we can find A-Phase Current using Sequence Current(LGF) using the formula - A-Phase Current LG = Zero Sequence Current LG+Positive Sequence Current LG+Negative Sequence Current LG.
What are the other ways to Calculate A-Phase Current LG?
Here are the different ways to Calculate A-Phase Current LG-
  • A-Phase Current LG=Positive Sequence Current LG*3OpenImg
  • A-Phase Current LG=3*Negative Sequence Current LGOpenImg
  • A-Phase Current LG=Zero Sequence Current LG*3OpenImg
Can the A-Phase Current using Sequence Current(LGF) be negative?
Yes, the A-Phase Current using Sequence Current(LGF), measured in Electric Current can be negative.
Which unit is used to measure A-Phase Current using Sequence Current(LGF)?
A-Phase Current using Sequence Current(LGF) is usually measured using the Ampere[A] for Electric Current. Milliampere[A], Microampere[A], Centiampere[A] are the few other units in which A-Phase Current using Sequence Current(LGF) can be measured.
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