C-Phase Current using Fault Impedance (LLF) Solution

STEP 0: Pre-Calculation Summary
Formula Used
C Phase Current = (C Phase Voltage-B Phase Voltage)/Fault Impedance
Ic = (Vc-Vb)/Zf
This formula uses 4 Variables
Variables Used
C Phase Current - (Measured in Ampere) - C phase current is the current that flows into the c-phase in open conductor fault.
C Phase Voltage - (Measured in Volt) - C phase Voltage is defined as the voltage of c-phase.
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
C Phase Voltage: 17.2 Volt --> 17.2 Volt No Conversion Required
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
Ic = (Vc-Vb)/Zf --> (17.2-16.5)/1.5
Evaluating ... ...
Ic = 0.466666666666666
STEP 3: Convert Result to Output's Unit
0.466666666666666 Ampere --> No Conversion Required
FINAL ANSWER
0.466666666666666 0.466667 Ampere <-- C Phase Current
(Calculation completed in 00.020 seconds)

Credits

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Created by Urvi Rathod
Vishwakarma Government Engineering College (VGEC), Ahmedabad
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C-Phase Current(LLF)
​ LaTeX ​ Go C Phase Current = (-1)*B Phase Current

C-Phase Current using Fault Impedance (LLF) Formula

​LaTeX ​Go
C Phase Current = (C Phase Voltage-B Phase Voltage)/Fault Impedance
Ic = (Vc-Vb)/Zf

What is difference between line current and phase current?

Line current is the current through any one line between a three-phase source and load. Phase current is the current through any one component comprising a three-phase source or load.

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

C-Phase Current using Fault Impedance (LLF) calculator uses C Phase Current = (C Phase Voltage-B Phase Voltage)/Fault Impedance to calculate 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 Ic symbol.

How to calculate C-Phase Current using Fault Impedance (LLF) using this online calculator? To use this online calculator for C-Phase Current using Fault Impedance (LLF), enter C Phase Voltage (Vc), B Phase Voltage (Vb) & Fault Impedance (Zf) and hit the calculate button. Here is how the C-Phase Current using Fault Impedance (LLF) calculation can be explained with given input values -> -0.6 = (17.2-16.5)/1.5.

FAQ

What is C-Phase Current using Fault Impedance (LLF)?
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 and is represented as Ic = (Vc-Vb)/Zf or C Phase Current = (C Phase Voltage-B Phase Voltage)/Fault Impedance. C phase Voltage is defined as the voltage of c-phase, 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 C-Phase Current using Fault Impedance (LLF)?
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 is calculated using C Phase Current = (C Phase Voltage-B Phase Voltage)/Fault Impedance. To calculate C-Phase Current using Fault Impedance (LLF), you need C Phase Voltage (Vc), B Phase Voltage (Vb) & Fault Impedance (Zf). With our tool, you need to enter the respective value for C Phase Voltage, 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 C Phase Current?
In this formula, C Phase Current uses C Phase Voltage, B Phase Voltage & Fault Impedance. We can use 1 other way(s) to calculate the same, which is/are as follows -
  • C Phase Current = (-1)*B Phase Current
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