A-Phase Voltage(LGF) 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%
✖A-phase Current LG is the current that flows into the a-phase in open conductor fault.ⓘ A-Phase Current LG [I_a(lg)]			+10% -10%

✖A phase voltage LG is the voltage of a-phase in open conductor fault.ⓘ A-Phase Voltage(LGF) [V_a(lg)]

⎘ Copy

👎

Formula

✖

A-Phase Voltage(LGF)

Formula

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

Example

`"3.195V"="1.5Ω"*"2.13A"`

Calculator

LaTeX

Reset

👍

Download Fault Formula PDF

A-Phase Voltage(LGF) Solution

STEP 0: Pre-Calculation Summary

Formula Used

A Phase Voltage LG = Fault Impedance LG*A-Phase Current LG
V_a(lg) = Z_f(lg)*I_a(lg)
This formula uses 3 Variables

Variables Used

A Phase Voltage LG - (Measured in Volt) - A phase voltage LG is the voltage of a-phase in open conductor fault.
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.
A-Phase Current LG - (Measured in Ampere) - A-phase Current LG is the current that flows into the a-phase in open conductor fault.

STEP 1: Convert Input(s) to Base Unit

Fault Impedance LG: 1.5 Ohm --> 1.5 Ohm No Conversion Required
A-Phase Current LG: 2.13 Ampere --> 2.13 Ampere No Conversion Required

STEP 2: Evaluate Formula

Substituting Input Values in Formula

V_a(lg) = Z_f(lg)*I_a(lg) --> 1.5*2.13

Evaluating ... ...

V_a(lg) = 3.195

STEP 3: Convert Result to Output's Unit

3.195 Volt --> No Conversion Required

FINAL ANSWER

3.195 Volt <-- A Phase Voltage LG

(Calculation completed in 00.004 seconds)

You are here -

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

Credits

Created by Urvi Rathod

Vishwakarma Government Engineering College (VGEC), Ahmedabad

Urvi Rathod has created this Calculator and 1500+ more calculators!

Verified by Payal Priya

Birsa Institute of Technology (BIT), Sindri

Payal Priya has verified this Calculator and 1900+ more calculators!

< 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

A-Phase Voltage(LGF) Formula

A Phase Voltage LG = Fault Impedance LG*A-Phase Current LG
V_a(lg) = Z_f(lg)*I_a(lg)

What is phase voltage and phase current?

Phase voltage is the voltage measured across a single component in a three-phase source or load. Line current is the current through any one line between a three-phase source and load. Phase current is the current through any one component comprising a three-phase source or load.

How to Calculate A-Phase Voltage(LGF)?

A-Phase Voltage(LGF) calculator uses A Phase Voltage LG = Fault Impedance LG*A-Phase Current LG to calculate the A Phase Voltage LG, The a-phase Voltage(LGF) formula is defined as The voltage measured between any line and neutral is called phase voltage. here we have taken the a-phase. A Phase Voltage LG is denoted by V_a(lg) symbol.

How to calculate A-Phase Voltage(LGF) using this online calculator? To use this online calculator for A-Phase Voltage(LGF), enter Fault Impedance LG (Z_f(lg)) & A-Phase Current LG (I_a(lg)) and hit the calculate button. Here is how the A-Phase Voltage(LGF) calculation can be explained with given input values -> 3.195 = 1.5*2.13.

FAQ

What is A-Phase Voltage(LGF)?

The a-phase Voltage(LGF) formula is defined as The voltage measured between any line and neutral is called phase voltage. here we have taken the a-phase and is represented as V_a(lg) = Z_f(lg)*I_a(lg) or A Phase Voltage LG = Fault Impedance LG*A-Phase 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 & A-phase Current LG is the current that flows into the a-phase in open conductor fault.

How to calculate A-Phase Voltage(LGF)?

The a-phase Voltage(LGF) formula is defined as The voltage measured between any line and neutral is called phase voltage. here we have taken the a-phase is calculated using A Phase Voltage LG = Fault Impedance LG*A-Phase Current LG. To calculate A-Phase Voltage(LGF), you need Fault Impedance LG (Z_f(lg)) & A-Phase Current LG (I_a(lg)). With our tool, you need to enter the respective value for Fault Impedance LG & A-Phase 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 A Phase Voltage LG?

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

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

Home

FREE PDFs

🔍 Search