Reluctance Calculator

✖The Mean length the effective length of a closed magnetic loop inside a magnetic core made of ferromagnetic material which may be also gapped.ⓘ Mean Length [L_mean]			+10% -10%
✖Magnetic Permeability of a medium is the measure of magnetization that a material obtains in response to an applied magnetic field.ⓘ Magnetic Permeability of a Medium [μ]			+10% -10%
✖The area of coil is the region bounded by the shape of an object. The space covered by the figure or any two-dimensional geometric shape, in a plane, is the area of the shape.ⓘ Area of Coil [A]			+10% -10%

✖The reluctance of a magnetic material is its ability to oppose the flow of magnetic flux. The magnetic flux created by the field windings follows the path of least magnetic reluctance.ⓘ Reluctance [S]

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Formula

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Reluctance

Formula

`"S" = "L"_{"mean"}/("μ"*"A")`

Example

`"0.617143AT/Wb"="21.6mm"/("0.14H/m"*"0.25m²")`

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Reluctance Solution

STEP 0: Pre-Calculation Summary

Formula Used

Reluctance = Mean Length/(Magnetic Permeability of a Medium*Area of Coil)
S = L_mean/(μ*A)
This formula uses 4 Variables

Variables Used

Reluctance - (Measured in Ampere-Turn per Weber) - The reluctance of a magnetic material is its ability to oppose the flow of magnetic flux. The magnetic flux created by the field windings follows the path of least magnetic reluctance.
Mean Length - (Measured in Meter) - The Mean length the effective length of a closed magnetic loop inside a magnetic core made of ferromagnetic material which may be also gapped.
Magnetic Permeability of a Medium - (Measured in Henry per Meter) - Magnetic Permeability of a medium is the measure of magnetization that a material obtains in response to an applied magnetic field.
Area of Coil - (Measured in Square Meter) - The area of coil is the region bounded by the shape of an object. The space covered by the figure or any two-dimensional geometric shape, in a plane, is the area of the shape.

STEP 1: Convert Input(s) to Base Unit

Mean Length: 21.6 Millimeter --> 0.0216 Meter (Check conversion here)
Magnetic Permeability of a Medium: 0.14 Henry per Meter --> 0.14 Henry per Meter No Conversion Required
Area of Coil: 0.25 Square Meter --> 0.25 Square Meter No Conversion Required

STEP 2: Evaluate Formula

Substituting Input Values in Formula

S = L_mean/(μ*A) --> 0.0216/(0.14*0.25)

Evaluating ... ...

S = 0.617142857142857

STEP 3: Convert Result to Output's Unit

0.617142857142857 Ampere-Turn per Weber --> No Conversion Required

FINAL ANSWER

0.617142857142857 ≈ 0.617143 Ampere-Turn per Weber <-- Reluctance

(Calculation completed in 00.004 seconds)

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Created by swapanshil kumar

ramgarh engineering college (REC), ramgarh

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Chandigarh University (CU), Punjab

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< 14 Magnetic Specifications Calculators

Mutual Inductance

Go Mutual Inductance = ([Permeability-vacuum]*Relative Permeability*Area of Coil*Number of Conductors*Secondary Turns of Coil)/Mean Length

Flux Density in Toroidal Core

Go Magnetic Flux Density = (Relative Permeability*Secondary Turns of Coil*Coil Current)/(pi*Coil Inner Diameter)

Magnetic Potential

Go Magnetic Potential = (Magnetic Moment)/(4*pi*[Permeability-vacuum]*Relative Permeability*Pole Distance)

Average Hysteresis Power Loss

Go Hysteresis Loss = Hysteresis Constant*Frequency*Magnetic Flux Density^Steinmetz Coefficient

Reluctance

Go Reluctance = Mean Length/(Magnetic Permeability of a Medium*Area of Coil)

Self Inductance

Go Self Inductance = (Number of Conductors*Magnetic Flux)/Coil Current

Magnetic Flux Density using Magnetic Field Intensity

Go Magnetic Flux Density = Magnetic Permeability of a Medium*Magnetic Field Intensity

Magnetic Susceptibility

Go Magnetic Susceptibility = Intensity of Magnetization/Magnetic Field Intensity

Intensity of Magnetization

Go Intensity of Magnetization = Magnetic Moment/Volume

Magnetic Flux using Flux Density

Go Magnetic Flux = Magnetic Flux Density*Area of Coil

Magnetic Flux Density

Go Magnetic Flux Density = Magnetic Flux/Area of Coil

Magnetic Field Strength

Go Magnetic Field Strength = Force/Magnetic Moment

Magnetic Flux in Core

Go Magnetic Flux = Magnetomotive Force/Reluctance

Permeance

Go Magnetic Permeance = 1/Reluctance

Reluctance Formula

Reluctance = Mean Length/(Magnetic Permeability of a Medium*Area of Coil)
S = L_mean/(μ*A)

What is the symbol of reluctance?

The symbol for reluctance is S (or Rm). The unit of reluctance is 1/H (or H-1) or At/Wb.
Reluctance(S) is the property of a magnetic circuit opposing the passage of magnetic flux lines, equal to the ratio of the magnetomotive force to the magnetic flux. MMF = Reluctance × flux. NI = Sϕ ⇒ S = N I ϕ

What is the unit for flux?

The SI unit of magnetic flux is the Weber (Wb). A flux density of one Wb/m2 (one Weber per square metre) is one Tesla (T). Weber is commonly expressed in a multitude of other units.

How to Calculate Reluctance?

Reluctance calculator uses Reluctance = Mean Length/(Magnetic Permeability of a Medium*Area of Coil) to calculate the Reluctance, Reluctance (also known as reluctance, magnetic resistance, or a magnetic insulator) is defined as the opposition offered by a magnetic circuit to the production of magnetic flux. It is the property of the material that opposes the creation of magnetic flux in a magnetic circuit. Reluctance is denoted by S symbol.

How to calculate Reluctance using this online calculator? To use this online calculator for Reluctance, enter Mean Length (L_mean), Magnetic Permeability of a Medium (μ) & Area of Coil (A) and hit the calculate button. Here is how the Reluctance calculation can be explained with given input values -> 0.617143 = 0.0216/(0.14*0.25).

FAQ

What is Reluctance?

Reluctance (also known as reluctance, magnetic resistance, or a magnetic insulator) is defined as the opposition offered by a magnetic circuit to the production of magnetic flux. It is the property of the material that opposes the creation of magnetic flux in a magnetic circuit and is represented as S = L_mean/(μ*A) or Reluctance = Mean Length/(Magnetic Permeability of a Medium*Area of Coil). The Mean length the effective length of a closed magnetic loop inside a magnetic core made of ferromagnetic material which may be also gapped, Magnetic Permeability of a medium is the measure of magnetization that a material obtains in response to an applied magnetic field & The area of coil is the region bounded by the shape of an object. The space covered by the figure or any two-dimensional geometric shape, in a plane, is the area of the shape.

How to calculate Reluctance?

Reluctance (also known as reluctance, magnetic resistance, or a magnetic insulator) is defined as the opposition offered by a magnetic circuit to the production of magnetic flux. It is the property of the material that opposes the creation of magnetic flux in a magnetic circuit is calculated using Reluctance = Mean Length/(Magnetic Permeability of a Medium*Area of Coil). To calculate Reluctance, you need Mean Length (L_mean), Magnetic Permeability of a Medium (μ) & Area of Coil (A). With our tool, you need to enter the respective value for Mean Length, Magnetic Permeability of a Medium & Area of Coil 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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