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Transformer Ratio Formula

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Transformer ratio expresses the relationship between the number of turns in the primary winding to the number of turns in the secondary winding, determining voltage transformation in a transformer. Check FAQs

R = \frac{Φ p}{Φ s}

R - Transformer ratio?Φ_p - Primary Phasor?Φ_s - Secondary Phasor?

Transformer Ratio Example

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Here is how the Transformer Ratio equation looks like with Values.

Here is how the Transformer Ratio equation looks like with Units.

Here is how the Transformer Ratio equation looks like.

20 = \frac{9}{0.45}

20 = \frac{9}{0.45}

20 = \frac{9}{0.45}

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Transformer Ratio Solution

Follow our step by step solution on how to calculate Transformer Ratio?

FIRST Step Consider the formula

R = \frac{Φ p}{Φ s}

Next Step Substitute values of Variables

∴

R = \frac{9}{0.45}

Next Step Prepare to Evaluate

∴

R = \frac{9}{0.45}

LAST Step Evaluate

∴

R = 20

Transformer Ratio Formula Elements

Variables

Transformer ratio

Transformer ratio expresses the relationship between the number of turns in the primary winding to the number of turns in the secondary winding, determining voltage transformation in a transformer.

Symbol: R

Measurement: NAUnit: Unitless

Note: Value should be greater than 0.

Formulas to find Transformer ratio

Primary Phasor

Primary Phasor is a complex representation of voltage or current in the primary winding of a transformer, typically expressed in phasor notation, used in electrical analysis.

Symbol: Φ_p

Measurement: NAUnit: Unitless

Note: Value should be greater than 0.

Formulas to find Primary Phasor

Secondary Phasor

Secondary Phasor is a complex number representing the voltage or current in the secondary winding of a transformer in phasor notation.

Symbol: Φ_s

Measurement: NAUnit: Unitless

Note: Value should be greater than 0.

Formulas to find Secondary Phasor

Other formulas in Instrument Transformer category

Go Voltage of Secondary Coil in Transformer Ratio Method

V s = N s \cdot \frac{V p}{N p}

Go Turns Ratio in Transformer Ratio Method

η = \frac{N s}{N p}

Go Flux Linkage Sensitivity

Φ = \frac{S g}{R g}

Go Primary Phasor

Φ p = R \cdot Φ s

How to Evaluate Transformer Ratio?

Transformer Ratio evaluator uses Transformer ratio = Primary Phasor/Secondary Phasor to evaluate the Transformer ratio, The Transformer Ratio formula is defined as the ratio of the primary turns in the primary coil to the ratio of secondary coil turns. Transformer ratio is denoted by R symbol.

How to evaluate Transformer Ratio using this online evaluator? To use this online evaluator for Transformer Ratio, enter Primary Phasor (Φ_p) & Secondary Phasor (Φ_s) and hit the calculate button.

FAQs on Transformer Ratio

What is the formula to find Transformer Ratio?

The formula of Transformer Ratio is expressed as Transformer ratio = Primary Phasor/Secondary Phasor. Here is an example- 1.975417 = 9/secondary_phasor_instt.

How to calculate Transformer Ratio?

With Primary Phasor (Φ_p) & Secondary Phasor (Φ_s) we can find Transformer Ratio using the formula - Transformer ratio = Primary Phasor/Secondary Phasor.

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Transformer Ratio Formula

Transformer Ratio Example

Transformer Ratio Solution

Transformer Ratio Formula Elements

Other formulas in Instrument Transformer category

How to Evaluate Transformer Ratio?

FAQs on Transformer Ratio

Variable Name