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EMF Induced in Primary Winding Formula

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EMF Induced in Primary Winding is the production of voltage in a coil because of the change in magnetic flux through a coil. Check FAQs

E 1 = 4.44 \cdot N 1 \cdot f \cdot A core \cdot B max

E₁ - EMF Induced in Primary?N₁ - Number of Turns in Primary?f - Supply Frequency?A_core - Area of Core?B_max - Maximum Flux Density?

EMF Induced in Primary Winding Example

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Here is how the EMF Induced in Primary Winding equation looks like with Values.

Here is how the EMF Induced in Primary Winding equation looks like with Units.

Here is how the EMF Induced in Primary Winding equation looks like.

13.32 = 4.44 \cdot 20 \cdot 500 \cdot 2500 \cdot 0.0012

13.32V = 4.44 \cdot 20 \cdot 500Hz \cdot 2500cm² \cdot 0.0012T

13.32 = 4.44 \cdot 20 \cdot 500 \cdot 2500 \cdot 0.0012

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EMF Induced in Primary Winding Solution

Follow our step by step solution on how to calculate EMF Induced in Primary Winding?

FIRST Step Consider the formula

E 1 = 4.44 \cdot N 1 \cdot f \cdot A core \cdot B max

Next Step Substitute values of Variables

∴

E 1 = 4.44 \cdot 20 \cdot 500Hz \cdot 2500cm² \cdot 0.0012T

Next Step Convert Units

∴

E 1 = 4.44 \cdot 20 \cdot 500Hz \cdot 0.25m² \cdot 0.0012T

Next Step Prepare to Evaluate

∴

E 1 = 4.44 \cdot 20 \cdot 500 \cdot 0.25 \cdot 0.0012

LAST Step Evaluate

∴

E 1 = 13.32V

EMF Induced in Primary Winding Formula Elements

Variables

EMF Induced in Primary

EMF Induced in Primary Winding is the production of voltage in a coil because of the change in magnetic flux through a coil.

Symbol: E₁

Measurement: Electric PotentialUnit: V

Note: Value can be positive or negative.

Formulas to find EMF Induced in Primary

Number of Turns in Primary

The Number of Turns in Primary Winding is the number of turns primary winding is the winding of a transformer.

Symbol: N₁

Measurement: NAUnit: Unitless

Note: Value can be positive or negative.

Formulas to find Number of Turns in Primary

Supply Frequency

Supply Frequency means Induction motors are designed for a specific voltage per frequency ratio (V/Hz). The voltage is called the supply voltage and the frequency is called the 'Supply Frequency'.

Symbol: f

Measurement: FrequencyUnit: Hz

Note: Value should be greater than 0.

Formulas to find Supply Frequency

Area of Core

Area of Core is defined as the space occupied by the core of a transformer in 2 dimensional space.

Symbol: A_core

Measurement: AreaUnit: cm²

Note: Value should be greater than 0.

Formulas to find Area of Core

Maximum Flux Density

Maximum Flux Density is defined as the number of lines of force passing through a unit area of material.

Symbol: B_max

Measurement: Magnetic Flux DensityUnit: T

Note: Value should be greater than 0.

Formulas to find Maximum Flux Density

Other formulas in Voltage and EMF category

Go Equivalent Reactance of Transformer from Primary Side

X 01 = X L1 + X' 2

Go Equivalent Reactance of Transformer from Secondary Side

X 02 = X L2 + X' 1

Go Primary Leakage Reactance

X L1 = \frac{X' 1}{K^{2}}

Go Reactance of Primary Winding in Secondary

X' 1 = X L1 \cdot K^{2}

How to Evaluate EMF Induced in Primary Winding?

EMF Induced in Primary Winding evaluator uses EMF Induced in Primary = 4.44*Number of Turns in Primary*Supply Frequency*Area of Core*Maximum Flux Density to evaluate the EMF Induced in Primary, The EMF Induced in Primary Winding formula is defined as leakage flux of the primary winding and the secondary winding, an EMF is induced in the respective winding. The primary and secondary voltage will have to overcome these induced EMFs. EMF Induced in Primary is denoted by E₁ symbol.

How to evaluate EMF Induced in Primary Winding using this online evaluator? To use this online evaluator for EMF Induced in Primary Winding, enter Number of Turns in Primary (N₁), Supply Frequency (f), Area of Core (A_core) & Maximum Flux Density (B_max) and hit the calculate button.

FAQs on EMF Induced in Primary Winding

What is the formula to find EMF Induced in Primary Winding?

The formula of EMF Induced in Primary Winding is expressed as EMF Induced in Primary = 4.44*Number of Turns in Primary*Supply Frequency*Area of Core*Maximum Flux Density. Here is an example- 13.32 = 4.44*20*500*0.25*0.0012.

How to calculate EMF Induced in Primary Winding?

With Number of Turns in Primary (N₁), Supply Frequency (f), Area of Core (A_core) & Maximum Flux Density (B_max) we can find EMF Induced in Primary Winding using the formula - EMF Induced in Primary = 4.44*Number of Turns in Primary*Supply Frequency*Area of Core*Maximum Flux Density.

Can the EMF Induced in Primary Winding be negative?

Yes, the EMF Induced in Primary Winding, measured in Electric Potential can be negative.

Which unit is used to measure EMF Induced in Primary Winding?

EMF Induced in Primary Winding is usually measured using the Volt[V] for Electric Potential. Millivolt[V], Microvolt[V], Nanovolt[V] are the few other units in which EMF Induced in Primary Winding can be measured.

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EMF Induced in Primary Winding Formula

EMF Induced in Primary Winding Example

EMF Induced in Primary Winding Solution

EMF Induced in Primary Winding Formula Elements

Other formulas in Voltage and EMF category

How to Evaluate EMF Induced in Primary Winding?

FAQs on EMF Induced in Primary Winding

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