Zero Sequence Impedance for Transformer Solution

STEP 0: Pre-Calculation Summary
Formula Used
Zero Sequence Impedance Xmer = Zero Sequence Voltage Xmer/Zero Sequence Current Xmer
Z0(xmer) = V0(xmer)/I0(xmer)
This formula uses 3 Variables
Variables Used
Zero Sequence Impedance Xmer - (Measured in Ohm) - Zero Sequence Impedance Xmer is consists of a balanced three-phase voltage and current, phasors of which all have the same phase angles and rotate counter clockwise together.
Zero Sequence Voltage Xmer - (Measured in Volt) - Zero Sequence Voltage Xmer 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 Current Xmer - (Measured in Ampere) - Zero Sequence Current Xmer is consists of a balanced three-phase current, phasors of which all have the same phase angles and rotate counterclockwise together.
STEP 1: Convert Input(s) to Base Unit
Zero Sequence Voltage Xmer: 17.6 Volt --> 17.6 Volt No Conversion Required
Zero Sequence Current Xmer: 2.21 Ampere --> 2.21 Ampere No Conversion Required
STEP 2: Evaluate Formula
Substituting Input Values in Formula
Z0(xmer) = V0(xmer)/I0(xmer) --> 17.6/2.21
Evaluating ... ...
Z0(xmer) = 7.96380090497738
STEP 3: Convert Result to Output's Unit
7.96380090497738 Ohm --> No Conversion Required
FINAL ANSWER
7.96380090497738 7.963801 Ohm <-- Zero Sequence Impedance Xmer
(Calculation completed in 00.004 seconds)

Credits

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8 Transformer Sequence Impedance Calculators

Leakage Impedance for Transformer given Zero Sequence Current
Go Leakage Impedance Xmer = (Zero Sequence Voltage Xmer/Zero Sequence Current Xmer)-3*Fault Impedance Xmer
Neutral Impedance for Star Connected Load using Zero Sequence Voltage
Go Fault Impedance Xmer = ((Zero Sequence Voltage Xmer/Zero Sequence Current Xmer)-Star Impedance Xmer)/3
Positive Sequence Impedance for Transformer
Go Positive Sequence Impedance Xmer = Positive Sequence Voltage Xmer/Positive Sequence Current Xmer
Negative Sequence Impedance for Transformer
Go Negative Sequence Impedance Xmer = Negative Sequence Voltage Xmer/Negative Sequence Current Xmer
Leakage Impedance for Transformer given Positive Sequence Voltage
Go Leakage Impedance Xmer = Positive Sequence Voltage Xmer/Positive Sequence Current Xmer
Zero Sequence Impedance for Transformer
Go Zero Sequence Impedance Xmer = Zero Sequence Voltage Xmer/Zero Sequence Current Xmer
Delta Impedance using Star Impedance
Go Delta Impedance Xmer = Star Impedance Xmer*3
Star Impedance using Delta Impedance
Go Star Impedance Xmer = Delta Impedance Xmer/3

Zero Sequence Impedance for Transformer Formula

Zero Sequence Impedance Xmer = Zero Sequence Voltage Xmer/Zero Sequence Current Xmer
Z0(xmer) = V0(xmer)/I0(xmer)

What are the Sequence Components?

The positive sequence consists of balanced three-phase voltage and current phasors which are exactly at 120 degrees apart rotating counterclockwise in ABC rotation. The negative sequence consists of balanced three-phase voltage and current phasors which are exactly at 120 degrees apart rotating counterclockwise in ACB rotation. Zero sequence consists of a balanced three-phase voltage and current, phasors of which all have the same phase angles and rotate counterclockwise together.

How to Calculate Zero Sequence Impedance for Transformer?

Zero Sequence Impedance for Transformer calculator uses Zero Sequence Impedance Xmer = Zero Sequence Voltage Xmer/Zero Sequence Current Xmer to calculate the Zero Sequence Impedance Xmer, The Zero Sequence Impedance for transformer formula consists of a balanced three-phase voltage and current, phasors of which all have the same phase angles and rotate counterclockwise together. Zero Sequence Impedance Xmer is denoted by Z0(xmer) symbol.

How to calculate Zero Sequence Impedance for Transformer using this online calculator? To use this online calculator for Zero Sequence Impedance for Transformer, enter Zero Sequence Voltage Xmer (V0(xmer)) & Zero Sequence Current Xmer (I0(xmer)) and hit the calculate button. Here is how the Zero Sequence Impedance for Transformer calculation can be explained with given input values -> 7.963801 = 17.6/2.21.

FAQ

What is Zero Sequence Impedance for Transformer?
The Zero Sequence Impedance for transformer formula consists of a balanced three-phase voltage and current, phasors of which all have the same phase angles and rotate counterclockwise together and is represented as Z0(xmer) = V0(xmer)/I0(xmer) or Zero Sequence Impedance Xmer = Zero Sequence Voltage Xmer/Zero Sequence Current Xmer. Zero Sequence Voltage Xmer 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 Current Xmer is consists of a balanced three-phase current, phasors of which all have the same phase angles and rotate counterclockwise together.
How to calculate Zero Sequence Impedance for Transformer?
The Zero Sequence Impedance for transformer formula consists of a balanced three-phase voltage and current, phasors of which all have the same phase angles and rotate counterclockwise together is calculated using Zero Sequence Impedance Xmer = Zero Sequence Voltage Xmer/Zero Sequence Current Xmer. To calculate Zero Sequence Impedance for Transformer, you need Zero Sequence Voltage Xmer (V0(xmer)) & Zero Sequence Current Xmer (I0(xmer)). With our tool, you need to enter the respective value for Zero Sequence Voltage Xmer & Zero Sequence Current Xmer 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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