A-Phase Current using Positive Sequence Current (LGF) Solution

STEP 0: Pre-Calculation Summary
Formula Used
A-Phase Current LG = Positive Sequence Current LG*3
Ia(lg) = I1(lg)*3
This formula uses 2 Variables
Variables Used
A-Phase Current LG - (Measured in Ampere) - A-phase Current LG is the current that flows into the a-phase in open conductor fault.
Positive Sequence Current LG - (Measured in Ampere) - 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.
STEP 1: Convert Input(s) to Base Unit
Positive Sequence Current LG: 2.001 Ampere --> 2.001 Ampere No Conversion Required
STEP 2: Evaluate Formula
Substituting Input Values in Formula
Ia(lg) = I1(lg)*3 --> 2.001*3
Evaluating ... ...
Ia(lg) = 6.003
STEP 3: Convert Result to Output's Unit
6.003 Ampere --> No Conversion Required
FINAL ANSWER
6.003 Ampere <-- A-Phase Current LG
(Calculation completed in 00.020 seconds)

Credits

Created by Urvi Rathod
Vishwakarma Government Engineering College (VGEC), Ahmedabad
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Verified by Payal Priya
Birsa Institute of Technology (BIT), Sindri
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19 Current Calculators

Zero Sequence Current using A-Phase EMF (LGF)
Go Zero Sequence Current LG = EMF Induced in Primary Winding LG/(Zero Sequence Impedance LG+Negative Sequence Impedance LG+Positive Sequence Impedance LG+(3*Fault Impedance LG))
Positive Sequence Current using A-Phase EMF (LGF)
Go Positive Sequence Current LG = A Phase EMF LG/(Zero Sequence Impedance LG+Negative Sequence Impedance LG+Positive Sequence Impedance LG+(3*Fault Impedance LG))
Negative Sequence Current using A-Phase EMF (LGF)
Go Negative Sequence Current LG = A Phase EMF LG/(Zero Sequence Impedance LG+Negative Sequence Impedance LG+Positive Sequence Impedance LG+(3*Fault Impedance LG))
A-Phase Current using Fault Voltage and Fault Impedance(LGF)
Go A-Phase Current LG = Fault Voltage LG/(Fault Impedance LG+((1/3)*(Zero Sequence Impedance LG+Positive Sequence Impedance LG+Negative Sequence Impedance LG)))
Positive Sequence Current using Fault Impedance(LGF)
Go Positive Sequence Current LG = (Positive Sequence Voltage LG+Negative Sequence Voltage LG+Zero Sequence Voltage LG)/(3*Fault Impedance LG)
A-Phase Current using A-Phase EMF(LGF)
Go A-Phase Current LG = (3*A Phase EMF LG)/(Zero Sequence Impedance LG+Positive Sequence Impedance LG+Negative Sequence Impedance LG)
A-Phase Current using Sequence Voltages and Fault Impedance(LGF)
Go A-Phase Current LG = (Zero Sequence Voltage LG+Positive Sequence Voltage LG+Negative Sequence Voltage LG)/Fault Impedance LG
A-Phase Current using Fault Impedance(LGF)
Go A-Phase Current LG = (3*Zero Sequence Voltage LG-B Phase Voltage LG-C Phase Voltage LG)/Fault Impedance LG
Positive Sequence Current for L-G-F
Go Positive Sequence Current LG = (Positive Sequence Voltage LG-EMF Induced in Primary Winding LG)/Positive Sequence Impedance LG
A-Phase Current using Sequence Current(LGF)
Go A-Phase Current LG = Zero Sequence Current LG+Positive Sequence Current LG+Negative Sequence Current LG
Negative Sequence Current for L-G-F
Go Negative Sequence Current LG = (-1)*Negative Sequence Voltage LG/Negative Sequence Impedance LG
Zero Sequence Current for L-G-F
Go Zero Sequence Current LG = (-1)*Zero Sequence Voltage LG/Zero Sequence Impedance LG
A-Phase Current using A-Phase Voltage(LGF)
Go A-Phase Current LG = A Phase Voltage LG/Fault Impedance LG
A-Phase Current using Positive Sequence Current (LGF)
Go A-Phase Current LG = Positive Sequence Current LG*3
A-Phase Current using Negative Sequence Current (LGF)
Go A-Phase Current LG = 3*Negative Sequence Current LG
Positive Sequence Current using A-Phase Current (LGF)
Go Positive Sequence Current LG = A-Phase Current LG/3
Negative Sequence Current using A-Phase Current (LGF)
Go Negative Sequence Current LG = A-Phase Current LG/3
A-Phase Current using Zero Sequence Current (LGF)
Go A-Phase Current LG = Zero Sequence Current LG*3
Zero Sequence Current using A-Phase Current (LGF)
Go Zero Sequence Current LG = A-Phase Current LG/3

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

A-Phase Current LG = Positive Sequence Current LG*3
Ia(lg) = I1(lg)*3

What is difference between line current and phase current?

Line current is the current through any one line between a three-phase source and load. Phase current is the current through any one component comprising a three-phase source or load.

What are the Sequence Components?

The positive sequence consists of balanced three-phase voltage and current phasors which are exactly at 120 degrees apart rotating counterclockwise in ABC rotation. The negative sequence consists of balanced three-phase voltage and current phasors which are exactly at 120 degrees apart rotating counterclockwise in ACB rotation. Zero sequence consists of a balanced three-phase voltage and current, phasors of which all have the same phase angles and rotate counterclockwise together.

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

A-Phase Current using Positive Sequence Current (LGF) calculator uses A-Phase Current LG = Positive Sequence Current LG*3 to calculate the A-Phase Current LG, The a-phase Current using positive 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 calculate A-Phase Current using Positive Sequence Current (LGF) using this online calculator? To use this online calculator for A-Phase Current using Positive Sequence Current (LGF), enter Positive Sequence Current LG (I1(lg)) and hit the calculate button. Here is how the A-Phase Current using Positive Sequence Current (LGF) calculation can be explained with given input values -> 6.003 = 2.001*3.

FAQ

What is A-Phase Current using Positive Sequence Current (LGF)?
The a-phase Current using positive 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 and is represented as Ia(lg) = I1(lg)*3 or A-Phase Current LG = Positive Sequence Current LG*3. 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.
How to calculate A-Phase Current using Positive Sequence Current (LGF)?
The a-phase Current using positive 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 is calculated using A-Phase Current LG = Positive Sequence Current LG*3. To calculate A-Phase Current using Positive Sequence Current (LGF), you need Positive Sequence Current LG (I1(lg)). With our tool, you need to enter the respective value for Positive Sequence Current LG and hit the calculate button. You can also select the units (if any) for Input(s) and the Output as well.
How many ways are there to calculate A-Phase Current LG?
In this formula, A-Phase Current LG uses Positive Sequence Current LG. We can use 8 other way(s) to calculate the same, which is/are as follows -
  • A-Phase Current LG = 3*Negative Sequence Current LG
  • A-Phase Current LG = Zero Sequence Current LG*3
  • A-Phase Current LG = A Phase Voltage LG/Fault Impedance LG
  • A-Phase Current LG = (3*Zero Sequence Voltage LG-B Phase Voltage LG-C Phase Voltage LG)/Fault Impedance LG
  • A-Phase Current LG = (3*A Phase EMF LG)/(Zero Sequence Impedance LG+Positive Sequence Impedance LG+Negative Sequence Impedance LG)
  • A-Phase Current LG = (Zero Sequence Voltage LG+Positive Sequence Voltage LG+Negative Sequence Voltage LG)/Fault Impedance LG
  • A-Phase Current LG = Zero Sequence Current LG+Positive Sequence Current LG+Negative Sequence Current LG
  • A-Phase Current LG = Fault Voltage LG/(Fault Impedance LG+((1/3)*(Zero Sequence Impedance LG+Positive Sequence Impedance LG+Negative Sequence Impedance LG)))
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