Positive Sequence Voltage using A-Phase EMF(LLGF) Calculator

✖A phase EMF is defined as the electromagnetic force of the a-phase in open conductor fault.ⓘ A Phase EMF [E_a]			+10% -10%
✖Positive Sequence Impedance consists of balanced three-phase voltage and current phasors which are exactly at 120 degrees apart rotating counterclockwise in ABC rotation.ⓘ Positive Sequence Impedance [Z₁]			+10% -10%
✖Positive Sequence Current consists of balanced three-phase voltage and current phasors which are exactly at 120 degrees apart rotating counterclockwise in ABC rotation.ⓘ Positive Sequence Current [I₁]			+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 using A-Phase EMF(LLGF) [V₁]

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Formula

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Positive Sequence Voltage using A-Phase EMF(LLGF)

Formula

`"V"_{"1"} = "E"_{"a"}-"Z"_{"1"}*"I"_{"1"}`

Example

`"13.49206V"="29.38V"-"7.94Ω"*"2.001A"`

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Positive Sequence Voltage using A-Phase EMF(LLGF) Solution

STEP 0: Pre-Calculation Summary

Formula Used

Positive Sequence Voltage = A Phase EMF-Positive Sequence Impedance*Positive Sequence Current
V₁ = E_a-Z₁*I₁
This formula uses 4 Variables

Variables Used

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.
A Phase EMF - (Measured in Volt) - A phase EMF is defined as the electromagnetic force of the a-phase in open conductor fault.
Positive Sequence Impedance - (Measured in Ohm) - Positive Sequence Impedance consists of balanced three-phase voltage and current phasors which are exactly at 120 degrees apart rotating counterclockwise in ABC rotation.
Positive Sequence Current - (Measured in Ampere) - Positive Sequence Current 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

A Phase EMF: 29.38 Volt --> 29.38 Volt No Conversion Required
Positive Sequence Impedance: 7.94 Ohm --> 7.94 Ohm No Conversion Required
Positive Sequence Current: 2.001 Ampere --> 2.001 Ampere No Conversion Required

STEP 2: Evaluate Formula

Substituting Input Values in Formula

V₁ = E_a-Z₁*I₁ --> 29.38-7.94*2.001

Evaluating ... ...

V₁ = 13.49206

STEP 3: Convert Result to Output's Unit

13.49206 Volt --> No Conversion Required

FINAL ANSWER

13.49206 Volt <-- Positive Sequence Voltage

(Calculation completed in 00.004 seconds)

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Created by Nisarg

Indian Institute of Technology,Roorlee (IITR), Roorkee

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Chandigarh University (CU), Punjab

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< 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

Positive Sequence Voltage using A-Phase EMF(LLGF) Formula

Positive Sequence Voltage = A Phase EMF-Positive Sequence Impedance*Positive Sequence Current
V₁ = E_a-Z₁*I₁

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 Positive Sequence Voltage using A-Phase EMF(LLGF)?

Positive Sequence Voltage using A-Phase EMF(LLGF) calculator uses Positive Sequence Voltage = A Phase EMF-Positive Sequence Impedance*Positive Sequence Current to calculate the Positive Sequence Voltage, The Positive Sequence Voltage using A-phase EMF(LLGF) formula consists of balanced three-phase voltage and current phasors which are exactly at ₁₂₀ degrees apart rotating counterclockwise in ABC rotation. Positive Sequence Voltage is denoted by V₁ symbol.

How to calculate Positive Sequence Voltage using A-Phase EMF(LLGF) using this online calculator? To use this online calculator for Positive Sequence Voltage using A-Phase EMF(LLGF), enter A Phase EMF (E_a), Positive Sequence Impedance (Z₁) & Positive Sequence Current (I₁) and hit the calculate button. Here is how the Positive Sequence Voltage using A-Phase EMF(LLGF) calculation can be explained with given input values -> 13.49206 = 29.38-7.94*2.001.

FAQ

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

The Positive Sequence Voltage using A-phase EMF(LLGF) formula 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 V₁ = E_a-Z₁*I₁ or Positive Sequence Voltage = A Phase EMF-Positive Sequence Impedance*Positive Sequence Current. A phase EMF is defined as the electromagnetic force of the a-phase in open conductor fault, Positive Sequence Impedance consists of balanced three-phase voltage and current phasors which are exactly at 120 degrees apart rotating counterclockwise in ABC rotation & Positive Sequence Current 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 A-Phase EMF(LLGF)?

The Positive Sequence Voltage using A-phase EMF(LLGF) formula 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 = A Phase EMF-Positive Sequence Impedance*Positive Sequence Current. To calculate Positive Sequence Voltage using A-Phase EMF(LLGF), you need A Phase EMF (E_a), Positive Sequence Impedance (Z₁) & Positive Sequence Current (I₁). With our tool, you need to enter the respective value for A Phase EMF, Positive Sequence Impedance & Positive Sequence Current 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?

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

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

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