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

✖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%
✖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 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%

✖A phase EMF is defined as the electromagnetic force of the a-phase in open conductor fault.ⓘ A-Phase EMF using Positive Sequence Voltage (LLGF) [E_a]

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Formula

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A-Phase EMF using Positive Sequence Voltage (LLGF)

Formula

`"E"_{"a"} = "V"_{"1"}+("I"_{"1"}*"Z"_{"1"})`

Example

`"33.38794V"="17.5V"+("2.001A"*"7.94Ω")`

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

STEP 0: Pre-Calculation Summary

Formula Used

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

Variables Used

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 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.
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.
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.

STEP 1: Convert Input(s) to Base Unit

Positive Sequence Voltage: 17.5 Volt --> 17.5 Volt No Conversion Required
Positive Sequence Current: 2.001 Ampere --> 2.001 Ampere No Conversion Required
Positive Sequence Impedance: 7.94 Ohm --> 7.94 Ohm No Conversion Required

STEP 2: Evaluate Formula

Substituting Input Values in Formula

E_a = V₁+(I₁*Z₁) --> 17.5+(2.001*7.94)

Evaluating ... ...

E_a = 33.38794

STEP 3: Convert Result to Output's Unit

33.38794 Volt --> No Conversion Required

FINAL ANSWER

33.38794 Volt <-- A Phase EMF

(Calculation completed in 00.004 seconds)

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

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Vishwakarma Government Engineering College (VGEC), Ahmedabad

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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

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

A Phase EMF = Positive Sequence Voltage+(Positive Sequence Current*Positive Sequence Impedance)
E_a = V₁+(I₁*Z₁)

What are the positive and negative 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.

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

A-Phase EMF using Positive Sequence Voltage (LLGF) calculator uses A Phase EMF = Positive Sequence Voltage+(Positive Sequence Current*Positive Sequence Impedance) to calculate the A Phase EMF, The a-phase EMF using positive sequence voltage (LLGF) formula is defined as the electromotive force produced by positive Sequence Voltage. A Phase EMF is denoted by E_a symbol.

How to calculate A-Phase EMF using Positive Sequence Voltage (LLGF) using this online calculator? To use this online calculator for A-Phase EMF using Positive Sequence Voltage (LLGF), enter Positive Sequence Voltage (V₁), Positive Sequence Current (I₁) & Positive Sequence Impedance (Z₁) and hit the calculate button. Here is how the A-Phase EMF using Positive Sequence Voltage (LLGF) calculation can be explained with given input values -> 29.38794 = 17.5+(2.001*7.94).

FAQ

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

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

The a-phase EMF using positive sequence voltage (LLGF) formula is defined as the electromotive force produced by positive Sequence Voltage is calculated using A Phase EMF = Positive Sequence Voltage+(Positive Sequence Current*Positive Sequence Impedance). To calculate A-Phase EMF using Positive Sequence Voltage (LLGF), you need Positive Sequence Voltage (V₁), Positive Sequence Current (I₁) & Positive Sequence Impedance (Z₁). With our tool, you need to enter the respective value for Positive Sequence Voltage, Positive Sequence Current & Positive Sequence Impedance and hit the calculate button. You can also select the units (if any) for Input(s) and the Output as well.

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