Sequence Impedance Formula

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Sequence Impedance Line is defined as the symmetric component of impedance. Check FAQs
Zs(line)=Vs(line)Is(line)
Zs(line) - Sequence Impedance Line?Vs(line) - Symmetric Component Voltage Line?Is(line) - Symmetric Component Current Line?

Sequence Impedance Example

With values
With units
Only example

Here is how the Sequence Impedance equation looks like with Values.

Here is how the Sequence Impedance equation looks like with Units.

Here is how the Sequence Impedance equation looks like.

1.75Edit=7Edit4Edit
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Sequence Impedance Solution

Follow our step by step solution on how to calculate Sequence Impedance?

FIRST Step Consider the formula
Zs(line)=Vs(line)Is(line)
Next Step Substitute values of Variables
Zs(line)=7V4A
Next Step Prepare to Evaluate
Zs(line)=74
LAST Step Evaluate
Zs(line)=1.75Ω

Sequence Impedance Formula Elements

Variables
Sequence Impedance Line
Sequence Impedance Line is defined as the symmetric component of impedance.
Symbol: Zs(line)
Measurement: Electric ResistanceUnit: Ω
Note: Value should be greater than 0.
Symmetric Component Voltage Line
Symmetric Component Voltage Line is defined as the symmetric component of voltage.
Symbol: Vs(line)
Measurement: Electric PotentialUnit: V
Note: Value should be greater than 0.
Symmetric Component Current Line
Symmetric Component Current Line is defined as the symmetric component of current.
Symbol: Is(line)
Measurement: Electric CurrentUnit: A
Note: Value should be greater than 0.

Other formulas in Line Sequence Impedance category

​Go Zero Sequence Impedance for Star Connected Load
Z0S(line)=Zs(line)+(3Zf(line))
​Go Positive Sequence Impedance for Delta Connected Load
Z1(line)=V1(line)I1(line)
​Go Negative Sequence Impedance for Delta Connected Load
Z2(line)=V2(line)I2(line)
​Go Zero Sequence Impedance for Delta Connected Load
Z0D(line)=V0(line)I0(line)

How to Evaluate Sequence Impedance?

Sequence Impedance evaluator uses Sequence Impedance Line = Symmetric Component Voltage Line/Symmetric Component Current Line to evaluate the Sequence Impedance Line, The sequence impedance formula is defined as subsystems of balanced phasors of phase impedance that can be found using symmetric voltage and symmetric current. Sequence Impedance Line is denoted by Zs(line) symbol.

How to evaluate Sequence Impedance using this online evaluator? To use this online evaluator for Sequence Impedance, enter Symmetric Component Voltage Line (Vs(line)) & Symmetric Component Current Line (Is(line)) and hit the calculate button.

FAQs on Sequence Impedance

What is the formula to find Sequence Impedance?
The formula of Sequence Impedance is expressed as Sequence Impedance Line = Symmetric Component Voltage Line/Symmetric Component Current Line. Here is an example- 1.75 = 7/4.
How to calculate Sequence Impedance?
With Symmetric Component Voltage Line (Vs(line)) & Symmetric Component Current Line (Is(line)) we can find Sequence Impedance using the formula - Sequence Impedance Line = Symmetric Component Voltage Line/Symmetric Component Current Line.
Can the Sequence Impedance be negative?
No, the Sequence Impedance, measured in Electric Resistance cannot be negative.
Which unit is used to measure Sequence Impedance?
Sequence Impedance is usually measured using the Ohm[Ω] for Electric Resistance. Megohm[Ω], Microhm[Ω], Volt per Ampere[Ω] are the few other units in which Sequence Impedance can be measured.
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