B-Phase Voltage (LLF) Calculator

✖Fault Impedance 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 [Z_f]			+10% -10%
✖B phase Current is defined as the current flowing through the b-phase in open conductor fault.ⓘ B Phase Current [I_b]			+10% -10%
✖C phase Voltage is defined as the voltage of c-phase.ⓘ C Phase Voltage [V_c]			+10% -10%

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

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Formula

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B-Phase Voltage (LLF)

Formula

`"V"_{"b"} = ("Z"_{"f"}*"I"_{"b"})+"V"_{"c"}`

Example

`"21.25V"=("1.5Ω"*"2.7A")+"17.2V"`

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B-Phase Voltage (LLF) Solution

STEP 0: Pre-Calculation Summary

Formula Used

B Phase Voltage = (Fault Impedance*B Phase Current)+C Phase Voltage
V_b = (Z_f*I_b)+V_c
This formula uses 4 Variables

Variables Used

B Phase Voltage - (Measured in Volt) - B phase Voltage is defined as the voltage of b-phase.
Fault Impedance - (Measured in Ohm) - Fault Impedance 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.
B Phase Current - (Measured in Ampere) - B phase Current is defined as the current flowing through the b-phase in open conductor fault.
C Phase Voltage - (Measured in Volt) - C phase Voltage is defined as the voltage of c-phase.

STEP 1: Convert Input(s) to Base Unit

Fault Impedance: 1.5 Ohm --> 1.5 Ohm No Conversion Required
B Phase Current: 2.7 Ampere --> 2.7 Ampere No Conversion Required
C Phase Voltage: 17.2 Volt --> 17.2 Volt No Conversion Required

STEP 2: Evaluate Formula

Substituting Input Values in Formula

V_b = (Z_f*I_b)+V_c --> (1.5*2.7)+17.2

Evaluating ... ...

V_b = 21.25

STEP 3: Convert Result to Output's Unit

21.25 Volt --> No Conversion Required

FINAL ANSWER

21.25 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 Fault » Voltage & EMF » B-Phase Voltage (LLF)

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!

< 13 Voltage & EMF Calculators

Positive Sequence Voltage using A-Phase EMF and Sequence Impedances(LLF)

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

Negative Sequence Voltage using A-Phase EMF and Sequence Impedances(LLF)

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

A-Phase EMF using Positive Sequence Voltage(LLF)

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

A-Phase EMF using Positive Sequence Current and Sequence Impedances(LLF)

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

A-Phase EMF using Fault Current(LLF)

Go A Phase EMF = (Fault Current*(Positive Sequence Impedance+Negative Sequence Impedance))/sqrt(3)

Positive Sequence Voltage (LLF)

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

Negative Sequence Voltage (LLF)

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

Positive Sequence Voltage using A-Phase EMF and Positive Sequence Current(LLF)

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

A-Phase EMF using Positive Sequence Current and Voltage(LLF)

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

C-Phase Voltage using C-Phase Current (LLF)

Go C Phase Voltage = B Phase Voltage+(Fault Impedance*C Phase Current)

B-Phase Voltage using C-Phase Current (LLF)

Go B Phase Voltage = C Phase Voltage-(Fault Impedance*C Phase Current)

B-Phase Voltage (LLF)

Go B Phase Voltage = (Fault Impedance*B Phase Current)+C Phase Voltage

C-Phase Voltage (LLF)

Go C Phase Voltage = B Phase Voltage-(Fault Impedance*B Phase Current)

B-Phase Voltage (LLF) Formula

B Phase Voltage = (Fault Impedance*B Phase Current)+C Phase Voltage
V_b = (Z_f*I_b)+V_c

What does three phase voltage mean?

Three-phase power can be defined as the common method of alternating current power generation, transmission, and distribution. It is a type of polyphase system and is the most common method used by electric grids worldwide to transfer power.

How to Calculate B-Phase Voltage (LLF)?

B-Phase Voltage (LLF) calculator uses B Phase Voltage = (Fault Impedance*B Phase Current)+C Phase Voltage to calculate the B Phase Voltage, The b-phase Voltage (LLF) 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 (LLF) using this online calculator? To use this online calculator for B-Phase Voltage (LLF), enter Fault Impedance (Z_f), B Phase Current (I_b) & C Phase Voltage (V_c) and hit the calculate button. Here is how the B-Phase Voltage (LLF) calculation can be explained with given input values -> 19.65 = (1.5*2.7)+17.2.

FAQ

What is B-Phase Voltage (LLF)?

The b-phase Voltage (LLF) 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 = (Z_f*I_b)+V_c or B Phase Voltage = (Fault Impedance*B Phase Current)+C Phase Voltage. Fault Impedance 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, B phase Current is defined as the current flowing through the b-phase in open conductor fault & C phase Voltage is defined as the voltage of c-phase.

How to calculate B-Phase Voltage (LLF)?

The b-phase Voltage (LLF) 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 = (Fault Impedance*B Phase Current)+C Phase Voltage. To calculate B-Phase Voltage (LLF), you need Fault Impedance (Z_f), B Phase Current (I_b) & C Phase Voltage (V_c). With our tool, you need to enter the respective value for Fault Impedance, B Phase Current & C 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 Fault Impedance, B Phase Current & C Phase Voltage. We can use 1 other way(s) to calculate the same, which is/are as follows -

B Phase Voltage = C Phase Voltage-(Fault Impedance*C Phase Current)

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