Zero Sequence Current for Star Connected Load Calculator

✖Zero Sequence Voltage is consists of a balanced three-phase voltage and current, phasors of which all have the same phase angles and rotate counterclockwise together.ⓘ Zero Sequence Voltage [V₀]			+10% -10%
✖Star Impedance is defined as the impedance Of star connected network.ⓘ Star Impedance [Z_y]			+10% -10%
✖Fault Impedance is defined as the impedance that caused the fault.ⓘ Fault Impedance [Z_f]			+10% -10%

✖Zero Sequence Current is consists of a balanced three-phase current, phasors of which all have the same phase angles and rotate counterclockwise together.ⓘ Zero Sequence Current for Star Connected Load [I₀]

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Zero Sequence Current for Star Connected Load Solution

STEP 0: Pre-Calculation Summary

Formula Used

Zero Sequence Current = Zero Sequence Voltage/(Star Impedance+(3*Fault Impedance))
I₀ = V₀/(Z_y+(3*Z_f))
This formula uses 4 Variables

Variables Used

Zero Sequence Current - (Measured in Ampere) - Zero Sequence Current is consists of a balanced three-phase current, phasors of which all have the same phase angles and rotate counterclockwise together.
Zero Sequence Voltage - (Measured in Volt) - Zero Sequence Voltage is consists of a balanced three-phase voltage and current, phasors of which all have the same phase angles and rotate counterclockwise together.
Star Impedance - (Measured in Ohm) - Star Impedance is defined as the impedance Of star connected network.
Fault Impedance - (Measured in Ohm) - Fault Impedance is defined as the impedance that caused the fault.

STEP 1: Convert Input(s) to Base Unit

Zero Sequence Voltage: 60.59 Volt --> 60.59 Volt No Conversion Required
Star Impedance: 4.12 Ohm --> 4.12 Ohm No Conversion Required
Fault Impedance: 7.86 Ohm --> 7.86 Ohm No Conversion Required

STEP 2: Evaluate Formula

Substituting Input Values in Formula

I₀ = V₀/(Z_y+(3*Z_f)) --> 60.59/(4.12+(3*7.86))

Evaluating ... ...

I₀ = 2.18736462093863

STEP 3: Convert Result to Output's Unit

2.18736462093863 Ampere --> No Conversion Required

FINAL ANSWER

2.18736462093863 ≈ 2.187365 Ampere <-- Zero Sequence Current

(Calculation completed in 00.004 seconds)

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Home » Engineering » Electrical » Power System » Fault » Symmetric Components » Sequence Current and Voltage » Zero Sequence Current for Star Connected Load

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< Sequence Current and Voltage Calculators

Zero Sequence Voltage for Star Connected Load

LaTeX Go Zero Sequence Voltage = (Star Impedance+3*Fault Impedance)*Zero Sequence Current

Positive Sequence Voltage for Delta Connected Load

LaTeX Go Positive Sequence Voltage = (Delta Impedance*Positive Sequence Current)/3

Negative Sequence Voltage for Star Connected Load

LaTeX Go Negative Sequence Voltage = Negative Sequence Current*Star Impedance

Positive Sequence Voltage for Star Connected Load

LaTeX Go Positive Sequence Voltage = Star Impedance*Positive Sequence Current

Zero Sequence Current for Star Connected Load Formula

LaTeX Go

Zero Sequence Current = Zero Sequence Voltage/(Star Impedance+(3*Fault Impedance))
I₀ = V₀/(Z_y+(3*Z_f))

What is the zero-Sequence Current?

The unbalanced current flows in the circuit during the earth fault is known as the zero-sequence current or the DC component of the fault current. The zero phase sequence means the magnitude of three phases has zero phase displacement.

How to Calculate Zero Sequence Current for Star Connected Load?

Zero Sequence Current for Star Connected Load calculator uses Zero Sequence Current = Zero Sequence Voltage/(Star Impedance+(3*Fault Impedance)) to calculate the Zero Sequence Current, The Zero Sequence Current for Star Connected Load formula consists of a balanced three-phase current, phasors of which all have the same phase angles and rotate counterclockwise together. Zero Sequence Current is denoted by I₀ symbol.

How to calculate Zero Sequence Current for Star Connected Load using this online calculator? To use this online calculator for Zero Sequence Current for Star Connected Load, enter Zero Sequence Voltage (V₀), Star Impedance (Z_y) & Fault Impedance (Z_f) and hit the calculate button. Here is how the Zero Sequence Current for Star Connected Load calculation can be explained with given input values -> 2.189736 = 60.59/(4.12+(3*7.86)).

FAQ

What is Zero Sequence Current for Star Connected Load?

The Zero Sequence Current for Star Connected Load formula consists of a balanced three-phase current, phasors of which all have the same phase angles and rotate counterclockwise together and is represented as I₀ = V₀/(Z_y+(3*Z_f)) or Zero Sequence Current = Zero Sequence Voltage/(Star Impedance+(3*Fault Impedance)). Zero Sequence Voltage is consists of a balanced three-phase voltage and current, phasors of which all have the same phase angles and rotate counterclockwise together, Star Impedance is defined as the impedance Of star connected network & Fault Impedance is defined as the impedance that caused the fault.

How to calculate Zero Sequence Current for Star Connected Load?

The Zero Sequence Current for Star Connected Load formula consists of a balanced three-phase current, phasors of which all have the same phase angles and rotate counterclockwise together is calculated using Zero Sequence Current = Zero Sequence Voltage/(Star Impedance+(3*Fault Impedance)). To calculate Zero Sequence Current for Star Connected Load, you need Zero Sequence Voltage (V₀), Star Impedance (Z_y) & Fault Impedance (Z_f). With our tool, you need to enter the respective value for Zero Sequence Voltage, Star Impedance & Fault Impedance and hit the calculate button. You can also select the units (if any) for Input(s) and the Output as well.

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