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C-Phase Current using Fault Impedance (LLF) Formula

GoC-Phase Current(LLF) Formula

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C phase current is the current that flows into the c-phase in open conductor fault. Check FAQs

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

I_c - C Phase Current?V_c - C Phase Voltage?V_b - B Phase Voltage?Z_f - Fault Impedance?

C-Phase Current using Fault Impedance (LLF) Example

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Here is how the C-Phase Current using Fault Impedance (LLF) equation looks like with Values.

Here is how the C-Phase Current using Fault Impedance (LLF) equation looks like with Units.

Here is how the C-Phase Current using Fault Impedance (LLF) equation looks like.

0.4667 = \frac{17.2 - 16.5}{1.5}

0.4667A = \frac{17.2V - 16.5V}{1.5Ω}

0.4667 = \frac{17.2 - 16.5}{1.5}

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C-Phase Current using Fault Impedance (LLF) Solution

Follow our step by step solution on how to calculate C-Phase Current using Fault Impedance (LLF)?

FIRST Step Consider the formula

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

Next Step Substitute values of Variables

∴

I c = \frac{17.2V - 16.5V}{1.5Ω}

Next Step Prepare to Evaluate

∴

I c = \frac{17.2 - 16.5}{1.5}

Next Step Evaluate

∴

I c = 0.466666666666666A

LAST Step Rounding Answer

∴

I c = 0.4667A

C-Phase Current using Fault Impedance (LLF) Formula Elements

Variables

C Phase Current

C phase current is the current that flows into the c-phase in open conductor fault.

Symbol: I_c

Measurement: Electric CurrentUnit: A

Note: Value can be positive or negative.

Formulas to find C Phase Current

C Phase Voltage

C phase Voltage is defined as the voltage of c-phase.

Symbol: V_c

Measurement: Electric PotentialUnit: V

Note: Value can be positive or negative.

Formulas to find C Phase Voltage

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 C Phase Current

Go C-Phase Current(LLF)

I c = (- 1) \cdot I b

Other formulas in Current category

Go B-Phase Current (LLF)

I b = (- 1) \cdot I c

Go Positive Sequence Current (LLF)

I 1 = (- 1) \cdot I 2

Go Negative Sequence Current(LLF)

I 2 = (- 1) \cdot I 1

Go Positive Sequence Current using Fault Impedance(LLF)

I 1 = \frac{V 1 - V 2}{Z f}

How to Evaluate C-Phase Current using Fault Impedance (LLF)?

C-Phase Current using Fault Impedance (LLF) evaluator uses C Phase Current = (C Phase Voltage-B Phase Voltage)/Fault Impedance to evaluate the C Phase Current, The c-phase Current using Fault Impedance (LLF) formula is defined as the current through any one component comprising a three-phase source or load. here we have taken the c-phase. C Phase Current is denoted by I_c symbol.

How to evaluate C-Phase Current using Fault Impedance (LLF) using this online evaluator? To use this online evaluator for C-Phase Current using Fault Impedance (LLF), enter C Phase Voltage (V_c), B Phase Voltage (V_b) & Fault Impedance (Z_f) and hit the calculate button.

FAQs on C-Phase Current using Fault Impedance (LLF)

What is the formula to find C-Phase Current using Fault Impedance (LLF)?

The formula of C-Phase Current using Fault Impedance (LLF) is expressed as C Phase Current = (C Phase Voltage-B Phase Voltage)/Fault Impedance. Here is an example- -0.6 = (17.2-16.5)/1.5.

How to calculate C-Phase Current using Fault Impedance (LLF)?

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

What are the other ways to Calculate C Phase Current?

Here are the different ways to Calculate C Phase Current-

C Phase Current=(-1)*B Phase Current

Can the C-Phase Current using Fault Impedance (LLF) be negative?

Yes, the C-Phase Current using Fault Impedance (LLF), measured in Electric Current can be negative.

Which unit is used to measure C-Phase Current using Fault Impedance (LLF)?

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

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C-Phase Current using Fault Impedance (LLF) Formula

​GoC-Phase Current(LLF) Formula

C-Phase Current using Fault Impedance (LLF) Example

C-Phase Current using Fault Impedance (LLF) Solution

C-Phase Current using Fault Impedance (LLF) Formula Elements

Other Formulas to find C Phase Current

Other formulas in Current category

How to Evaluate C-Phase Current using Fault Impedance (LLF)?

FAQs on C-Phase Current using Fault Impedance (LLF)

Variable Name

GoC-Phase Current(LLF) Formula