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Fault Current using B-Phase Voltage (LLGF) Formula

GoFault Current (LLGF) Formula

GoFault Current using C-Phase Voltage (LLGF) Formula

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The fault current is the electrical current which flows through a circuit during an electrical fault condition. Check FAQs

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

I_f - Fault Current?V_b - B Phase Voltage?Z_f - Fault Impedance?

Fault Current using B-Phase Voltage (LLGF) Example

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Here is how the Fault Current using B-Phase Voltage (LLGF) equation looks like with Values.

Here is how the Fault Current using B-Phase Voltage (LLGF) equation looks like with Units.

Here is how the Fault Current using B-Phase Voltage (LLGF) equation looks like.

11 = \frac{16.5}{1.5}

11A = \frac{16.5V}{1.5Ω}

11 = \frac{16.5}{1.5}

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Fault Current using B-Phase Voltage (LLGF) Solution

Follow our step by step solution on how to calculate Fault Current using B-Phase Voltage (LLGF)?

FIRST Step Consider the formula

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

Next Step Substitute values of Variables

∴

I f = \frac{16.5V}{1.5Ω}

Next Step Prepare to Evaluate

∴

I f = \frac{16.5}{1.5}

LAST Step Evaluate

∴

I f = 11A

Fault Current using B-Phase Voltage (LLGF) Formula Elements

Variables

Fault Current

The fault current is the electrical current which flows through a circuit during an electrical fault condition.

Symbol: I_f

Measurement: Electric CurrentUnit: A

Note: Value can be positive or negative.

Formulas to find Fault Current

B Phase Voltage

B phase Voltage is defined as the voltage of b-phase.

Symbol: V_b

Measurement: Electric PotentialUnit: V

Note: Value can be positive or negative.

Formulas to find B Phase Voltage

Fault Impedance

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.

Symbol: Z_f

Measurement: Electric ResistanceUnit: Ω

Note: Value should be greater than 0.

Formulas to find Fault Impedance

Other Formulas to find Fault Current

Go Fault Current (LLGF)

I f = I b + I c

Go Fault Current using C-Phase Voltage (LLGF)

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

Other formulas in Current category

Go B-Phase Current (LLGF)

I b = I f - I c

Go C-Phase Current (LLGF)

I c = I f - I b

Go Zero Sequence Current using B-Phase Voltage (LLGF)

I 0 = \frac{V b}{3 \cdot Z f}

Go Zero Sequence Current using C-Phase Voltage (LLGF)

I 0 = \frac{V c}{3 \cdot Z f}

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

Fault Current using B-Phase Voltage (LLGF) evaluator uses Fault Current = B Phase Voltage/Fault Impedance to evaluate 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 evaluate Fault Current using B-Phase Voltage (LLGF) using this online evaluator? To use this online evaluator for Fault Current using B-Phase Voltage (LLGF), enter B Phase Voltage (V_b) & Fault Impedance (Z_f) and hit the calculate button.

FAQs on Fault Current using B-Phase Voltage (LLGF)

What is the formula to find Fault Current using B-Phase Voltage (LLGF)?

The formula of Fault Current using B-Phase Voltage (LLGF) is expressed as Fault Current = B Phase Voltage/Fault Impedance. Here is an example- 8.133333 = 16.5/1.5.

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

With B Phase Voltage (V_b) & Fault Impedance (Z_f) we can find Fault Current using B-Phase Voltage (LLGF) using the formula - Fault Current = B Phase Voltage/Fault Impedance.

What are the other ways to Calculate Fault Current?

Here are the different ways to Calculate Fault Current-

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

Can the Fault Current using B-Phase Voltage (LLGF) be negative?

Yes, the Fault Current using B-Phase Voltage (LLGF), measured in Electric Current can be negative.

Which unit is used to measure Fault Current using B-Phase Voltage (LLGF)?

Fault Current using B-Phase Voltage (LLGF) is usually measured using the Ampere[A] for Electric Current. Milliampere[A], Microampere[A], Centiampere[A] are the few other units in which Fault Current using B-Phase Voltage (LLGF) can be measured.

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