A-Phase Voltage using Sequence Voltages(LLGF) Calculator

✖Zero Sequence Voltage consists of a balanced three-phase voltage and current, phasors of which all have the same phase angles and rotate counterclockwise together.ⓘ Zero Sequence Voltage [V₀]			+10% -10%
✖Positive Sequence Voltage consists of balanced three-phase voltage and current phasors which are exactly at 120 degrees apart rotating counterclockwise in ABC rotation.ⓘ Positive Sequence Voltage [V₁]			+10% -10%
✖Negative Sequence Voltage consists of balanced three-phase voltage and current phasors which are exactly at 120 degrees apart rotating counterclockwise in ACB rotation.ⓘ Negative Sequence Voltage [V₂]			+10% -10%

✖A phase voltage is the voltage of a-phase in open conductor fault.ⓘ A-Phase Voltage using Sequence Voltages(LLGF) [V_a]

⎘ Copy

👎

Formula

✖

A-Phase Voltage using Sequence Voltages(LLGF)

Formula

`"V"_{"a"} = "V"_{"0"}+"V"_{"1"}+"V"_{"2"}`

Example

`"51.156V"="17.6V"+"17.5V"+"16.056V"`

Calculator

LaTeX

Reset

👍

Download Fault Formula PDF PDF Image

A-Phase Voltage using Sequence Voltages(LLGF) Solution

STEP 0: Pre-Calculation Summary

Formula Used

A Phase Voltage = Zero Sequence Voltage+Positive Sequence Voltage+Negative Sequence Voltage
V_a = V₀+V₁+V₂
This formula uses 4 Variables

Variables Used

A Phase Voltage - (Measured in Volt) - A phase voltage is the voltage of a-phase in open conductor fault.
Zero Sequence Voltage - (Measured in Volt) - Zero Sequence Voltage consists of a balanced three-phase voltage and current, phasors of which all have the same phase angles and rotate counterclockwise together.
Positive Sequence Voltage - (Measured in Volt) - Positive Sequence Voltage consists of balanced three-phase voltage and current phasors which are exactly at 120 degrees apart rotating counterclockwise in ABC rotation.
Negative Sequence Voltage - (Measured in Volt) - Negative Sequence Voltage consists of balanced three-phase voltage and current phasors which are exactly at 120 degrees apart rotating counterclockwise in ACB rotation.

STEP 1: Convert Input(s) to Base Unit

Zero Sequence Voltage: 17.6 Volt --> 17.6 Volt No Conversion Required
Positive Sequence Voltage: 17.5 Volt --> 17.5 Volt No Conversion Required
Negative Sequence Voltage: 16.056 Volt --> 16.056 Volt No Conversion Required

STEP 2: Evaluate Formula

Substituting Input Values in Formula

V_a = V₀+V₁+V₂ --> 17.6+17.5+16.056

Evaluating ... ...

V_a = 51.156

STEP 3: Convert Result to Output's Unit

51.156 Volt --> No Conversion Required

FINAL ANSWER

51.156 Volt <-- A Phase Voltage

(Calculation completed in 00.004 seconds)

You are here -

Home » Engineering » Electrical » Power System » Fault » Shunt Faults » Unsymmetrical Faults » L-L-G Fault » Voltage & EMF » A-Phase Voltage using Sequence Voltages(LLGF)

Credits

Created by Nisarg

Indian Institute of Technology,Roorlee (IITR), Roorkee

Nisarg has created this Calculator and 100+ more calculators!

Verified by Parminder Singh

Chandigarh University (CU), Punjab

Parminder Singh has verified this Calculator and 600+ more calculators!

< 15 Voltage & EMF Calculators

A-Phase EMF using Positive Sequence Voltage (LLGF)

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

Positive Sequence Voltage using A-Phase EMF(LLGF)

Go Positive Sequence Voltage = A Phase EMF-Positive Sequence Impedance*Positive Sequence Current

Positive Sequence Voltage using Fault Impedance (LLGF)

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

Zero Sequence Voltage using Fault Impedance (LLGF)

Go Zero Sequence Voltage = Positive Sequence Voltage+(3*Fault Impedance*Zero Sequence Current)

A-Phase Voltage using Sequence Voltages(LLGF)

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

Negative Sequence Voltage using Negative Sequence Current (LLGF)

Go Negative Sequence Voltage = (-1)*Negative Sequence Current*Negative Sequence Impedance

Zero Sequence Voltage using B-Phase Voltage (LLGF)

Go Zero Sequence Voltage = B Phase Voltage+Positive Sequence Voltage

B-Phase Voltage using Zero-Sequence Voltage (LLGF)

Go B Phase Voltage = Zero Sequence Voltage-Positive Sequence Voltage

Zero Sequence Voltage using A-Phase Voltage (LLGF)

Go Zero Sequence Voltage = (A Phase Voltage+(2*B Phase Voltage))/3

A-Phase Voltage using Zero Sequence Voltage (LLGF)

Go A Phase Voltage = (3*Zero Sequence Voltage)-(2*B Phase Voltage)

B-Phase Voltage using A-Phase Voltage(LLGF)

Go B Phase Voltage = (3*Zero Sequence Voltage-A Phase Voltage)/2

B-Phase Voltage using Zero Sequence Current (LLGF)

Go B Phase Voltage = 3*Zero Sequence Current*Fault Impedance

C-Phase Voltage using Zero Sequence Current (LLGF)

Go C Phase Voltage = 3*Zero Sequence Current*Fault Impedance

B-Phase Voltage using Fault Current (LLGF)

Go B Phase Voltage = Fault Impedance*Fault Current

C-Phase Voltage using Fault Current (LLGF)

Go C Phase Voltage = Fault Current*Fault Impedance

A-Phase Voltage using Sequence Voltages(LLGF) Formula

A Phase Voltage = Zero Sequence Voltage+Positive Sequence Voltage+Negative Sequence Voltage
V_a = V₀+V₁+V₂

What is a double line to ground fault?

A double line to ground fault is a type of fault that can occur in an electrical power system. It is characterized by two of the three conductors in a three-phase power system coming into contact with the ground or earth.

How to Calculate A-Phase Voltage using Sequence Voltages(LLGF)?

A-Phase Voltage using Sequence Voltages(LLGF) calculator uses A Phase Voltage = Zero Sequence Voltage+Positive Sequence Voltage+Negative Sequence Voltage to calculate the A Phase Voltage, The A-phase Voltage using Sequence Voltages(LLGF) formula is defined as the voltage between two-component comprising a three-phase source or load. here we have taken the a-phase. A Phase Voltage is denoted by V_a symbol.

How to calculate A-Phase Voltage using Sequence Voltages(LLGF) using this online calculator? To use this online calculator for A-Phase Voltage using Sequence Voltages(LLGF), enter Zero Sequence Voltage (V₀), Positive Sequence Voltage (V₁) & Negative Sequence Voltage (V₂) and hit the calculate button. Here is how the A-Phase Voltage using Sequence Voltages(LLGF) calculation can be explained with given input values -> 47.156 = 17.6+17.5+16.056.

FAQ

What is A-Phase Voltage using Sequence Voltages(LLGF)?

The A-phase Voltage using Sequence Voltages(LLGF) formula is defined as the voltage between two-component comprising a three-phase source or load. here we have taken the a-phase and is represented as V_a = V₀+V₁+V₂ or A Phase Voltage = Zero Sequence Voltage+Positive Sequence Voltage+Negative Sequence Voltage. Zero Sequence Voltage consists of a balanced three-phase voltage and current, phasors of which all have the same phase angles and rotate counterclockwise together, Positive Sequence Voltage consists of balanced three-phase voltage and current phasors which are exactly at 120 degrees apart rotating counterclockwise in ABC rotation & Negative Sequence Voltage consists of balanced three-phase voltage and current phasors which are exactly at 120 degrees apart rotating counterclockwise in ACB rotation.

How to calculate A-Phase Voltage using Sequence Voltages(LLGF)?

The A-phase Voltage using Sequence Voltages(LLGF) formula is defined as the voltage between two-component comprising a three-phase source or load. here we have taken the a-phase is calculated using A Phase Voltage = Zero Sequence Voltage+Positive Sequence Voltage+Negative Sequence Voltage. To calculate A-Phase Voltage using Sequence Voltages(LLGF), you need Zero Sequence Voltage (V₀), Positive Sequence Voltage (V₁) & Negative Sequence Voltage (V₂). With our tool, you need to enter the respective value for Zero Sequence Voltage, Positive Sequence Voltage & Negative Sequence Voltage 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 Voltage?

In this formula, A Phase Voltage uses Zero Sequence Voltage, Positive Sequence Voltage & Negative Sequence Voltage. We can use 1 other way(s) to calculate the same, which is/are as follows -

A Phase Voltage = (3*Zero Sequence Voltage)-(2*B Phase Voltage)

Home

FREE PDFs

🔍 Search