Negative Sequence Current for L-G-F Solution

STEP 0: Pre-Calculation Summary
Formula Used
Negative Sequence Current LG = (-1)*Negative Sequence Voltage LG/Negative Sequence Impedance LG
I2(lg) = (-1)*V2(lg)/Z2(lg)
This formula uses 3 Variables
Variables Used
Negative Sequence Current LG - (Measured in Ampere) - Negative Sequence Current LG consists of balanced three-phase current phasors which are exactly at 120 degrees apart rotating counterclockwise in ACB rotation.
Negative Sequence Voltage LG - (Measured in Volt) - 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.
Negative Sequence Impedance LG - (Measured in Ohm) - Negative Sequence Impedance LG consists of balanced three-phase impedance phasors which are exactly at 120 degrees apart rotating counterclockwise in ACB rotation.
STEP 1: Convert Input(s) to Base Unit
Negative Sequence Voltage LG: 16.056 Volt --> 16.056 Volt No Conversion Required
Negative Sequence Impedance LG: -44.6 Ohm --> -44.6 Ohm No Conversion Required
STEP 2: Evaluate Formula
Substituting Input Values in Formula
I2(lg) = (-1)*V2(lg)/Z2(lg) --> (-1)*16.056/(-44.6)
Evaluating ... ...
I2(lg) = 0.36
STEP 3: Convert Result to Output's Unit
0.36 Ampere --> No Conversion Required
FINAL ANSWER
0.36 Ampere <-- Negative Sequence Current LG
(Calculation completed in 00.051 seconds)

Credits

Created by Urvi Rathod
Vishwakarma Government Engineering College (VGEC), Ahmedabad
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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

Negative Sequence Current for L-G-F Formula

Negative Sequence Current LG = (-1)*Negative Sequence Voltage LG/Negative Sequence Impedance LG
I2(lg) = (-1)*V2(lg)/Z2(lg)

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 Negative Sequence Current for L-G-F?

Negative Sequence Current for L-G-F calculator uses Negative Sequence Current LG = (-1)*Negative Sequence Voltage LG/Negative Sequence Impedance LG to calculate the Negative Sequence Current LG, The Negative Sequence Current for L-G-F 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 Current LG is denoted by I2(lg) symbol.

How to calculate Negative Sequence Current for L-G-F using this online calculator? To use this online calculator for Negative Sequence Current for L-G-F, enter Negative Sequence Voltage LG (V2(lg)) & Negative Sequence Impedance LG (Z2(lg)) and hit the calculate button. Here is how the Negative Sequence Current for L-G-F calculation can be explained with given input values -> 0.36 = (-1)*16.056/(-44.6).

FAQ

What is Negative Sequence Current for L-G-F?
The Negative Sequence Current for L-G-F formula is consists of balanced three-phase voltage and current phasors which are exactly at 120 degrees apart rotating counterclockwise in ACB rotation and is represented as I2(lg) = (-1)*V2(lg)/Z2(lg) or Negative Sequence Current LG = (-1)*Negative Sequence Voltage LG/Negative Sequence Impedance 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 & Negative Sequence Impedance LG consists of balanced three-phase impedance phasors which are exactly at 120 degrees apart rotating counterclockwise in ACB rotation.
How to calculate Negative Sequence Current for L-G-F?
The Negative Sequence Current for L-G-F formula is consists of balanced three-phase voltage and current phasors which are exactly at 120 degrees apart rotating counterclockwise in ACB rotation is calculated using Negative Sequence Current LG = (-1)*Negative Sequence Voltage LG/Negative Sequence Impedance LG. To calculate Negative Sequence Current for L-G-F, you need Negative Sequence Voltage LG (V2(lg)) & Negative Sequence Impedance LG (Z2(lg)). With our tool, you need to enter the respective value for Negative Sequence Voltage LG & Negative Sequence Impedance 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 Negative Sequence Current LG?
In this formula, Negative Sequence Current LG uses Negative Sequence Voltage LG & Negative Sequence Impedance LG. We can use 2 other way(s) to calculate the same, which is/are as follows -
  • Negative Sequence Current LG = A-Phase Current LG/3
  • Negative Sequence Current LG = A Phase EMF LG/(Zero Sequence Impedance LG+Negative Sequence Impedance LG+Positive Sequence Impedance LG+(3*Fault Impedance LG))
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