Fault Current using B-Phase Voltage (LLGF) Calculator

✖B phase Voltage is defined as the voltage of b-phase.ⓘ B Phase Voltage [V_b]			+10% -10%
✖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%

✖The fault current is the electrical current which flows through a circuit during an electrical fault condition.ⓘ Fault Current using B-Phase Voltage (LLGF) [I_f]

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Formula

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Fault Current using B-Phase Voltage (LLGF)

Formula

I f = \frac{V b}{Z f}

Example

11 A = \frac{16.5 V}{1.5 Ω}

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Fault Current using B-Phase Voltage (LLGF) Solution

STEP 0: Pre-Calculation Summary

Formula Used

Fault Current = B Phase Voltage/Fault Impedance
I_f = V_b/Z_f
This formula uses 3 Variables

Variables Used

Fault Current - (Measured in Ampere) - The fault current is the electrical current which flows through a circuit during an electrical fault condition.
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.

STEP 1: Convert Input(s) to Base Unit

B Phase Voltage: 16.5 Volt --> 16.5 Volt No Conversion Required
Fault Impedance: 1.5 Ohm --> 1.5 Ohm No Conversion Required

STEP 2: Evaluate Formula

Substituting Input Values in Formula

I_f = V_b/Z_f --> 16.5/1.5

Evaluating ... ...

I_f = 11

STEP 3: Convert Result to Output's Unit

11 Ampere --> No Conversion Required

FINAL ANSWER

11 Ampere <-- Fault Current

(Calculation completed in 00.004 seconds)

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< Current Calculators

Fault Current using B-Phase Voltage (LLGF)

Go Fault Current = B Phase Voltage/Fault Impedance

B-Phase Current (LLGF)

Go B Phase Current = Fault Current-C Phase Current

C-Phase Current (LLGF)

Go C Phase Current = Fault Current-B Phase Current

Fault Current (LLGF)

Go Fault Current = B Phase Current+C Phase Current

Fault Current using B-Phase Voltage (LLGF) Formula

Fault Current = B Phase Voltage/Fault Impedance
I_f = V_b/Z_f

What is fault impedance and current?

Fault Current for the double line to ground fault(LLGF) is defined as the current that flows into the fault Impedance and fault impedance is defined as the impedance which is connected to the earth.

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 Fault Current using B-Phase Voltage (LLGF)?

Fault Current using B-Phase Voltage (LLGF) calculator uses Fault Current = B Phase Voltage/Fault Impedance to calculate the Fault Current, The Fault Current using b-phase Voltage (LLGF) formula is defined as the current that flows into the fault Impedance. A higher current lowers the efficiency of the system. Fault Current is denoted by I_f symbol.

How to calculate Fault Current using B-Phase Voltage (LLGF) using this online calculator? To use this online calculator for Fault Current using B-Phase Voltage (LLGF), enter B Phase Voltage (V_b) & Fault Impedance (Z_f) and hit the calculate button. Here is how the Fault Current using B-Phase Voltage (LLGF) calculation can be explained with given input values -> 8.133333 = 16.5/1.5.

FAQ

What is Fault Current using B-Phase Voltage (LLGF)?

The Fault Current using b-phase Voltage (LLGF) formula is defined as the current that flows into the fault Impedance. A higher current lowers the efficiency of the system and is represented as I_f = V_b/Z_f or Fault Current = B Phase Voltage/Fault Impedance. B phase Voltage is defined as the voltage of b-phase & 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.

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

The Fault Current using b-phase Voltage (LLGF) formula is defined as the current that flows into the fault Impedance. A higher current lowers the efficiency of the system is calculated using Fault Current = B Phase Voltage/Fault Impedance. To calculate Fault Current using B-Phase Voltage (LLGF), you need B Phase Voltage (V_b) & Fault Impedance (Z_f). With our tool, you need to enter the respective value for B Phase Voltage & Fault Impedance 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 Fault Current?

In this formula, Fault Current uses B Phase Voltage & Fault Impedance. We can use 2 other way(s) to calculate the same, which is/are as follows -

Fault Current = B Phase Current+C Phase Current
Fault Current = C Phase Voltage/Fault Impedance

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