B-Phase Voltage using A-Phase Voltage(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%
✖A phase voltage is the voltage of a-phase in open conductor fault.ⓘ A Phase Voltage [V_a]			+10% -10%

✖B phase Voltage is defined as the voltage of b-phase.ⓘ B-Phase Voltage using A-Phase Voltage(LLGF) [V_b]

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Formula

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

Formula

`"V"_{"b"} = (3*"V"_{"0"}-"V"_{"a"})/2`

Example

`"20.425V"=(3*"17.6V"-"11.95V")/2`

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

STEP 0: Pre-Calculation Summary

Formula Used

B Phase Voltage = (3*Zero Sequence Voltage-A Phase Voltage)/2
V_b = (3*V₀-V_a)/2
This formula uses 3 Variables

Variables Used

B Phase Voltage - (Measured in Volt) - B phase Voltage is defined as the voltage of b-phase.
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.
A Phase Voltage - (Measured in Volt) - A phase voltage is the voltage of a-phase in open conductor fault.

STEP 1: Convert Input(s) to Base Unit

Zero Sequence Voltage: 17.6 Volt --> 17.6 Volt No Conversion Required
A Phase Voltage: 11.95 Volt --> 11.95 Volt No Conversion Required

STEP 2: Evaluate Formula

Substituting Input Values in Formula

V_b = (3*V₀-V_a)/2 --> (3*17.6-11.95)/2

Evaluating ... ...

V_b = 20.425

STEP 3: Convert Result to Output's Unit

20.425 Volt --> No Conversion Required

FINAL ANSWER

20.425 Volt <-- B Phase Voltage

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

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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

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

B Phase Voltage = (3*Zero Sequence Voltage-A Phase Voltage)/2
V_b = (3*V₀-V_a)/2

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

B-Phase Voltage using A-Phase Voltage(LLGF) calculator uses B Phase Voltage = (3*Zero Sequence Voltage-A Phase Voltage)/2 to calculate the B Phase Voltage, The B-phase Voltage using A-phase Voltage(LLGF) formula is defined as the voltage between two-component comprising a three-phase source or load. here we have taken the b-phase. B Phase Voltage is denoted by V_b symbol.

How to calculate B-Phase Voltage using A-Phase Voltage(LLGF) using this online calculator? To use this online calculator for B-Phase Voltage using A-Phase Voltage(LLGF), enter Zero Sequence Voltage (V₀) & A Phase Voltage (V_a) and hit the calculate button. Here is how the B-Phase Voltage using A-Phase Voltage(LLGF) calculation can be explained with given input values -> 20.425 = (3*17.6-11.95)/2.

FAQ

What is B-Phase Voltage using A-Phase Voltage(LLGF)?

The B-phase Voltage using A-phase Voltage(LLGF) formula is defined as the voltage between two-component comprising a three-phase source or load. here we have taken the b-phase and is represented as V_b = (3*V₀-V_a)/2 or B Phase Voltage = (3*Zero Sequence Voltage-A Phase Voltage)/2. 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 & A phase voltage is the voltage of a-phase in open conductor fault.

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

The B-phase Voltage using A-phase Voltage(LLGF) formula is defined as the voltage between two-component comprising a three-phase source or load. here we have taken the b-phase is calculated using B Phase Voltage = (3*Zero Sequence Voltage-A Phase Voltage)/2. To calculate B-Phase Voltage using A-Phase Voltage(LLGF), you need Zero Sequence Voltage (V₀) & A Phase Voltage (V_a). With our tool, you need to enter the respective value for Zero Sequence Voltage & A Phase 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 B Phase Voltage?

In this formula, B Phase Voltage uses Zero Sequence Voltage & A Phase Voltage. We can use 3 other way(s) to calculate the same, which is/are as follows -

B Phase Voltage = Fault Impedance*Fault Current
B Phase Voltage = 3*Zero Sequence Current*Fault Impedance
B Phase Voltage = Zero Sequence Voltage-Positive Sequence Voltage

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