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Leakage Impedance for Transformer given Zero Sequence Current Formula

GoLeakage Impedance for Transformer given Positive Sequence Voltage Formula

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Leakage Impedance Xmer is defined as the part of the impedance of a transformer that corresponds to the leakage flux into the sequence network. Check FAQs

Z Leakage(xmer) = (\frac{V 0(xmer)}{I 0(xmer)}) - 3 \cdot Z f(xmer)

Z_{Leakage(xmer)} - Leakage Impedance Xmer?V_0(xmer) - Zero Sequence Voltage Xmer?I_0(xmer) - Zero Sequence Current Xmer?Z_f(xmer) - Fault Impedance Xmer?

Leakage Impedance for Transformer given Zero Sequence Current Example

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Here is how the Leakage Impedance for Transformer given Zero Sequence Current equation looks like with Values.

Here is how the Leakage Impedance for Transformer given Zero Sequence Current equation looks like with Units.

Here is how the Leakage Impedance for Transformer given Zero Sequence Current equation looks like.

6.7038 = (\frac{17.6}{2.21}) - 3 \cdot 0.42

6.7038Ω = (\frac{17.6V}{2.21A}) - 3 \cdot 0.42Ω

6.7038 = (\frac{17.6}{2.21}) - 3 \cdot 0.42

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Leakage Impedance for Transformer given Zero Sequence Current Solution

Follow our step by step solution on how to calculate Leakage Impedance for Transformer given Zero Sequence Current?

FIRST Step Consider the formula

Z Leakage(xmer) = (\frac{V 0(xmer)}{I 0(xmer)}) - 3 \cdot Z f(xmer)

Next Step Substitute values of Variables

∴

Z Leakage(xmer) = (\frac{17.6V}{2.21A}) - 3 \cdot 0.42Ω

Next Step Prepare to Evaluate

∴

Z Leakage(xmer) = (\frac{17.6}{2.21}) - 3 \cdot 0.42

Next Step Evaluate

∴

Z Leakage(xmer) = 6.70380090497738Ω

LAST Step Rounding Answer

∴

Z Leakage(xmer) = 6.7038Ω

Leakage Impedance for Transformer given Zero Sequence Current Formula Elements

Variables

Leakage Impedance Xmer

Leakage Impedance Xmer is defined as the part of the impedance of a transformer that corresponds to the leakage flux into the sequence network.

Symbol: Z_{Leakage(xmer)}

Measurement: Electric ResistanceUnit: Ω

Note: Value should be greater than 0.

Formulas to find Leakage Impedance Xmer

Zero Sequence Voltage 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.

Symbol: V_0(xmer)

Measurement: Electric PotentialUnit: V

Note: Value can be positive or negative.

Formulas to find Zero Sequence Voltage Xmer

Zero Sequence Current Xmer

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.

Symbol: I_0(xmer)

Measurement: Electric CurrentUnit: A

Note: Value should be greater than 0.

Formulas to find Zero Sequence Current Xmer

Fault Impedance Xmer

Fault Impedance Xmer is defined as the impedance that caused the fault.

Symbol: Z_f(xmer)

Measurement: Electric ResistanceUnit: Ω

Note: Value should be greater than 0.

Formulas to find Fault Impedance Xmer

Other Formulas to find Leakage Impedance Xmer

Go Leakage Impedance for Transformer given Positive Sequence Voltage

Z Leakage(xmer) = \frac{V 1(xmer)}{I 1(xmer)}

Other formulas in Transformer Sequence Impedance category

Go Delta Impedance using Star Impedance

Z d(xmer) = Z y(xmer) \cdot 3

Go Positive Sequence Impedance for Transformer

Z 1(xmer) = \frac{V 1(xmer)}{I 1(xmer)}

Go Negative Sequence Impedance for Transformer

Z 2(xmer) = \frac{V 2(xmer)}{I 2(xmer)}

Go Zero Sequence Impedance for Transformer

Z 0(xmer) = \frac{V 0(xmer)}{I 0(xmer)}

How to Evaluate Leakage Impedance for Transformer given Zero Sequence Current?

Leakage Impedance for Transformer given Zero Sequence Current evaluator uses Leakage Impedance Xmer = (Zero Sequence Voltage Xmer/Zero Sequence Current Xmer)-3*Fault Impedance Xmer to evaluate the Leakage Impedance Xmer, The Leakage Impedance for Transformer given Zero Sequence Current formula is defined as the part of the impedance of a transformer that corresponds to the leakage flux into the sequence network. Leakage Impedance Xmer is denoted by Z_{Leakage(xmer)} symbol.

How to evaluate Leakage Impedance for Transformer given Zero Sequence Current using this online evaluator? To use this online evaluator for Leakage Impedance for Transformer given Zero Sequence Current, enter Zero Sequence Voltage Xmer (V_0(xmer)), Zero Sequence Current Xmer (I_0(xmer)) & Fault Impedance Xmer (Z_f(xmer)) and hit the calculate button.

FAQs on Leakage Impedance for Transformer given Zero Sequence Current

What is the formula to find Leakage Impedance for Transformer given Zero Sequence Current?

The formula of Leakage Impedance for Transformer given Zero Sequence Current is expressed as Leakage Impedance Xmer = (Zero Sequence Voltage Xmer/Zero Sequence Current Xmer)-3*Fault Impedance Xmer. Here is an example- 6.74 = (17.6/2.21)-3*0.42.

How to calculate Leakage Impedance for Transformer given Zero Sequence Current?

With Zero Sequence Voltage Xmer (V_0(xmer)), Zero Sequence Current Xmer (I_0(xmer)) & Fault Impedance Xmer (Z_f(xmer)) we can find Leakage Impedance for Transformer given Zero Sequence Current using the formula - Leakage Impedance Xmer = (Zero Sequence Voltage Xmer/Zero Sequence Current Xmer)-3*Fault Impedance Xmer.

What are the other ways to Calculate Leakage Impedance Xmer?

Here are the different ways to Calculate Leakage Impedance Xmer-

Leakage Impedance Xmer=Positive Sequence Voltage Xmer/Positive Sequence Current Xmer

Can the Leakage Impedance for Transformer given Zero Sequence Current be negative?

No, the Leakage Impedance for Transformer given Zero Sequence Current, measured in Electric Resistance cannot be negative.

Which unit is used to measure Leakage Impedance for Transformer given Zero Sequence Current?

Leakage Impedance for Transformer given Zero Sequence Current 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 Leakage Impedance for Transformer given Zero Sequence Current can be measured.

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Leakage Impedance for Transformer given Zero Sequence Current Formula

​GoLeakage Impedance for Transformer given Positive Sequence Voltage Formula

Leakage Impedance for Transformer given Zero Sequence Current Example

Leakage Impedance for Transformer given Zero Sequence Current Solution

Leakage Impedance for Transformer given Zero Sequence Current Formula Elements

Other Formulas to find Leakage Impedance Xmer

Other formulas in Transformer Sequence Impedance category

How to Evaluate Leakage Impedance for Transformer given Zero Sequence Current?

FAQs on Leakage Impedance for Transformer given Zero Sequence Current

Variable Name

GoLeakage Impedance for Transformer given Positive Sequence Voltage Formula