Positive Sequence Voltage using Positive Sequence Current Calculator

✖Fault Impedance LG is a measure of the resistance and reactance in an electrical circuit that is used to calculate the fault current that flows through the circuit in the event of a fault.ⓘ Fault Impedance LG [Z_f(lg)]			+10% -10%
✖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.ⓘ Positive Sequence Current LG [I_1(lg)]			+10% -10%

✖Positive Sequence Voltage LG consists of balanced three-phase voltage and current phasors which are exactly at 120 degrees apart rotating counterclockwise in ABC rotation.ⓘ Positive Sequence Voltage using Positive Sequence Current [V_1(lg)]

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Formula

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Positive Sequence Voltage using Positive Sequence Current

Formula

`"V"_{"1(lg)"} = 3*"Z"_{"f(lg)"}*"I"_{"1(lg)"}`

Example

`"9.0045V"=3*"1.5Ω"*"2.001A"`

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Positive Sequence Voltage using Positive Sequence Current Solution

STEP 0: Pre-Calculation Summary

Formula Used

Positive Sequence Voltage LG = 3*Fault Impedance LG*Positive Sequence Current LG
V_1(lg) = 3*Z_f(lg)*I_1(lg)
This formula uses 3 Variables

Variables Used

Positive Sequence Voltage LG - (Measured in Volt) - Positive Sequence Voltage LG consists of balanced three-phase voltage and current phasors which are exactly at 120 degrees apart rotating counterclockwise in ABC rotation.
Fault Impedance LG - (Measured in Ohm) - Fault Impedance LG is a measure of the resistance and reactance in an electrical circuit that is used to calculate the fault current that flows through the circuit in the event of a 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

Fault Impedance LG: 1.5 Ohm --> 1.5 Ohm No Conversion Required
Positive Sequence Current LG: 2.001 Ampere --> 2.001 Ampere No Conversion Required

STEP 2: Evaluate Formula

Substituting Input Values in Formula

V_1(lg) = 3*Z_f(lg)*I_1(lg) --> 3*1.5*2.001

Evaluating ... ...

V_1(lg) = 9.0045

STEP 3: Convert Result to Output's Unit

9.0045 Volt --> No Conversion Required

FINAL ANSWER

9.0045 Volt <-- Positive Sequence Voltage LG

(Calculation completed in 00.004 seconds)

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Home » Engineering » Electrical » Power System » Fault » Shunt Faults » Unsymmetrical Faults » L-G Fault » Voltage & EMF » Positive Sequence Voltage using Positive Sequence Current

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Created by Urvi Rathod

Vishwakarma Government Engineering College (VGEC), Ahmedabad

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Birsa Institute of Technology (BIT), Sindri

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< 16 Voltage & EMF Calculators

Positive Sequence Voltage using A-Phase EMF and Sequence Impedances(LGF)

Go Positive Sequence Voltage LG = (A Phase EMF LG*(Zero Sequence Impedance LG+Negative Sequence Impedance LG))/(Zero Sequence Impedance LG+Positive Sequence Impedance LG+Negative Sequence Impedance LG)

Negative Sequence Voltage using A-Phase EMF and Sequence Impedances(LGF)

Go Negative Sequence Voltage LG = (-A Phase EMF LG*Negative Sequence Impedance LG)/(Zero Sequence Impedance LG+Positive Sequence Impedance LG+Negative Sequence Impedance LG)

A-Phase EMF using Negative Sequence Current (LGF)

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

A-Phase EMF using Positive Sequence Current(LGF)

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

A-Phase EMF using Zero Sequence Current (LGF)

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

Zero Sequence Voltage using Positive Sequence Current

Go Zero Sequence Voltage LG = (3*Fault Impedance LG*Positive Sequence Current LG)-Negative Sequence Voltage LG-Positive Sequence Voltage LG

Zero Sequence Voltage using A-Phase Current (LGF)

Go Zero Sequence Voltage LG = (Fault Impedance LG*A-Phase Current LG)-(Negative Sequence Voltage LG)-(Positive Sequence Voltage LG)

Negative Sequence Voltage using A-Phase Current (LGF)

Go Negative Sequence Voltage LG = (Fault Impedance LG*A-Phase Current LG)-Positive Sequence Voltage LG-Zero Sequence Voltage LG

Zero Sequence Voltage using Phase Voltages(LGF)

Go Zero Sequence Voltage LG = 1/3*(Fault Impedance LG*A-Phase Current LG+B Phase Voltage LG+C Phase Voltage LG)

Positive Sequence Voltage for L-G-F

Go Positive Sequence Voltage LG = EMF Induced in Primary Winding LG-(Positive Sequence Impedance LG*Positive Sequence Current LG)

A-Phase EMF using Positive Sequence Voltage (LGF)

Go A Phase EMF LG = Positive Sequence Voltage LG+(Positive Sequence Impedance LG*Positive Sequence Current LG)

A-Phase Voltage using Sequence Voltages(LGF)

Go A Phase Voltage LG = Zero Sequence Voltage LG+Positive Sequence Voltage LG+Negative Sequence Voltage LG

Negative Sequence Voltage for LGF

Go Negative Sequence Voltage LG = -Negative Sequence Impedance LG*Negative Sequence Current LG

Positive Sequence Voltage using Positive Sequence Current

Go Positive Sequence Voltage LG = 3*Fault Impedance LG*Positive Sequence Current LG

Zero Sequence Voltage for LGF

Go Zero Sequence Voltage LG = -Zero Sequence Impedance LG*Zero Sequence Current LG

A-Phase Voltage(LGF)

Go A Phase Voltage LG = Fault Impedance LG*A-Phase Current LG

Positive Sequence Voltage using Positive Sequence Current Formula

Positive Sequence Voltage LG = 3*Fault Impedance LG*Positive Sequence Current LG
V_1(lg) = 3*Z_f(lg)*I_1(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 Positive Sequence Voltage using Positive Sequence Current?

Positive Sequence Voltage using Positive Sequence Current calculator uses Positive Sequence Voltage LG = 3*Fault Impedance LG*Positive Sequence Current LG to calculate the Positive Sequence Voltage LG, The Positive Sequence Voltage using positive Sequence current formula is consists of balanced three-phase voltage and current phasors which are exactly at ₁₂₀ degrees apart rotating counterclockwise in ABC rotation. Positive Sequence Voltage LG is denoted by V_1(lg) symbol.

How to calculate Positive Sequence Voltage using Positive Sequence Current using this online calculator? To use this online calculator for Positive Sequence Voltage using Positive Sequence Current, enter Fault Impedance LG (Z_f(lg)) & Positive Sequence Current LG (I_1(lg)) and hit the calculate button. Here is how the Positive Sequence Voltage using Positive Sequence Current calculation can be explained with given input values -> 9.0045 = 3*1.5*2.001.

FAQ

What is Positive Sequence Voltage using Positive Sequence Current?

The Positive Sequence Voltage using positive Sequence current formula is consists of balanced three-phase voltage and current phasors which are exactly at ₁₂₀ degrees apart rotating counterclockwise in ABC rotation and is represented as V_1(lg) = 3*Z_f(lg)*I_1(lg) or Positive Sequence Voltage LG = 3*Fault Impedance LG*Positive Sequence Current LG. Fault Impedance LG is a measure of the resistance and reactance in an electrical circuit that is used to calculate the fault current that flows through the circuit in the event of a fault & 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 Positive Sequence Voltage using Positive Sequence Current?

The Positive Sequence Voltage using positive Sequence current formula is consists of balanced three-phase voltage and current phasors which are exactly at ₁₂₀ degrees apart rotating counterclockwise in ABC rotation is calculated using Positive Sequence Voltage LG = 3*Fault Impedance LG*Positive Sequence Current LG. To calculate Positive Sequence Voltage using Positive Sequence Current, you need Fault Impedance LG (Z_f(lg)) & Positive Sequence Current LG (I_1(lg)). With our tool, you need to enter the respective value for Fault Impedance LG & 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 Positive Sequence Voltage LG?

In this formula, Positive Sequence Voltage LG uses Fault Impedance LG & Positive Sequence Current LG. We can use 2 other way(s) to calculate the same, which is/are as follows -

Positive Sequence Voltage LG = EMF Induced in Primary Winding LG-(Positive Sequence Impedance LG*Positive Sequence Current LG)
Positive Sequence Voltage LG = (A Phase EMF LG*(Zero Sequence Impedance LG+Negative Sequence Impedance LG))/(Zero Sequence Impedance LG+Positive Sequence Impedance LG+Negative Sequence Impedance LG)

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