FormulaDen.com

Physics Chemistry Math Chemical Engineering Civil Electrical Electronics Electronics and Instrumentation Materials Science Mechanical Production Engineering Financial Health

Number of Poles using Specific Magnetic Loading Formula

GoNumber of Poles using Magnetic Loading Formula

GoNumber of Poles using Pole Pitch Formula

Fx Copy

LaTeX Copy

The number of poles determines the synchronous speed and operating characteristics of the machine. Check FAQs

n = \frac{B av \cdot π \cdot D a \cdot L a}{Φ}

n - Number of Poles?B_av - Specific Magnetic Loading?D_a - Armature Diameter?L_a - Armature Core Length?Φ - Flux per Pole?π - Archimedes' constant?

Number of Poles using Specific Magnetic Loading Example

With values

With units

Only example

Here is how the Number of Poles using Specific Magnetic Loading equation looks like with Values.

Here is how the Number of Poles using Specific Magnetic Loading equation looks like with Units.

Here is how the Number of Poles using Specific Magnetic Loading equation looks like.

4 = \frac{0 \cdot 3.1416 \cdot 1 \cdot 0}{0}

4 = \frac{0Wb/m² \cdot 3.1416 \cdot 1m \cdot 0m}{0Wb}

4 = \frac{0 \cdot 3.1416 \cdot 1 \cdot 0}{0}

Tip: Use pencil ( Pencil

) icon above to edit Input Values and Units.

Calculate

Recalculate

Solution

Copy

Reset

You are here -

Home » Category

Engineering » Category

Electrical » Category

Electrical Machine Design » fx Number of Poles using Specific Magnetic Loading

Number of Poles using Specific Magnetic Loading Solution

Follow our step by step solution on how to calculate Number of Poles using Specific Magnetic Loading?

FIRST Step Consider the formula

n = \frac{B av \cdot π \cdot D a \cdot L a}{Φ}

Next Step Substitute values of Variables

∴

n = \frac{0Wb/m² \cdot π \cdot 1m \cdot 0m}{0Wb}

Next Step Substitute values of Constants

∴

n = \frac{0Wb/m² \cdot 3.1416 \cdot 1m \cdot 0m}{0Wb}

Next Step Convert Units

∴

n = \frac{0T \cdot 3.1416 \cdot 1m \cdot 0m}{0Wb}

Next Step Prepare to Evaluate

∴

n = \frac{0 \cdot 3.1416 \cdot 1 \cdot 0}{0}

Next Step Evaluate

∴

n = 3.99680398706701

LAST Step Rounding Answer

∴

n = 4

Number of Poles using Specific Magnetic Loading Formula Elements

Variables

Constants

Number of Poles

The number of poles determines the synchronous speed and operating characteristics of the machine.

Symbol: n

Measurement: NAUnit: Unitless

Note: Value should be greater than 1.

Formulas to find Number of Poles

Specific Magnetic Loading

Specific Magnetic loading is defined as the total flux per unit area over the surface of the armature periphery and is denoted by B_av for any electrical machine.

Symbol: B_av

Measurement: Magnetic Flux DensityUnit: Wb/m²

Note: Value can be positive or negative.

Formulas to find Specific Magnetic Loading

Armature Diameter

Armature diameter refers to the diameter of the armature core, which is a component found in certain types of electric machines, such as motors and generators.

Symbol: D_a

Measurement: LengthUnit: m

Note: Value should be greater than 0.

Formulas to find Armature Diameter

Armature Core Length

Armature core length refers to the axial length of the armature core, which is the part of the machine that houses the armature winding.

Symbol: L_a

Measurement: LengthUnit: m

Note: Value should be greater than 0.

Formulas to find Armature Core Length

Flux per Pole

Flux per pole is defined as the magnetic flux present at each pole of any electrical machine.

Symbol: Φ

Measurement: Magnetic FluxUnit: Wb

Note: Value should be greater than 0.

Formulas to find Flux per Pole

Archimedes' constant

Archimedes' constant is a mathematical constant that represents the ratio of the circumference of a circle to its diameter.

Symbol: π

Value: 3.14159265358979323846264338327950288

Other Formulas to find Number of Poles

Go Number of Poles using Magnetic Loading

n = \frac{B}{Φ}

Go Number of Poles using Pole Pitch

n = \frac{π \cdot D a}{Y p}

Other formulas in DC Machines category

Go Limiting Value of Core Length

L limit = \frac{7.5}{B av \cdot V a \cdot T c \cdot n c}

Go Average Gap Density using Limiting Value of Core Length

B av = \frac{7.5}{L limit \cdot V a \cdot T c \cdot n c}

Go Peripheral Speed of Armature using Limiting Value of Core Length

V a = \frac{7.5}{B av \cdot L limit \cdot T c \cdot n c}

Go Flux per Pole using Magnetic Loading

Φ = \frac{B}{n}

How to Evaluate Number of Poles using Specific Magnetic Loading?

Number of Poles using Specific Magnetic Loading evaluator uses Number of Poles = (Specific Magnetic Loading*pi*Armature Diameter*Armature Core Length)/Flux per Pole to evaluate the Number of Poles, The Number of poles using Specific Magnetic Loading formula is defined as the number of poles in any electrical machine when its specific magnetic loading is given . Number of Poles is denoted by n symbol.

How to evaluate Number of Poles using Specific Magnetic Loading using this online evaluator? To use this online evaluator for Number of Poles using Specific Magnetic Loading, enter Specific Magnetic Loading (B_av), Armature Diameter (D_a), Armature Core Length (L_a) & Flux per Pole (Φ) and hit the calculate button.

FAQs on Number of Poles using Specific Magnetic Loading

What is the formula to find Number of Poles using Specific Magnetic Loading?

The formula of Number of Poles using Specific Magnetic Loading is expressed as Number of Poles = (Specific Magnetic Loading*pi*Armature Diameter*Armature Core Length)/Flux per Pole. Here is an example- 4 = (0.458*pi*0.5*0.3)/0.054.

How to calculate Number of Poles using Specific Magnetic Loading?

With Specific Magnetic Loading (B_av), Armature Diameter (D_a), Armature Core Length (L_a) & Flux per Pole (Φ) we can find Number of Poles using Specific Magnetic Loading using the formula - Number of Poles = (Specific Magnetic Loading*pi*Armature Diameter*Armature Core Length)/Flux per Pole. This formula also uses Archimedes' constant .

What are the other ways to Calculate Number of Poles?

Here are the different ways to Calculate Number of Poles-

Number of Poles=Magnetic Loading/Flux per Pole
Number of Poles=(pi*Armature Diameter)/Pole Pitch

Let Others Know

✖

Facebook

Twitter

Copied!

: Value
: Unit

Number of Poles using Specific Magnetic Loading Formula

​GoNumber of Poles using Magnetic Loading Formula

​GoNumber of Poles using Pole Pitch Formula

Number of Poles using Specific Magnetic Loading Example

Number of Poles using Specific Magnetic Loading Solution

Number of Poles using Specific Magnetic Loading Formula Elements

Other Formulas to find Number of Poles

Other formulas in DC Machines category

How to Evaluate Number of Poles using Specific Magnetic Loading?

FAQs on Number of Poles using Specific Magnetic Loading

Variable Name

GoNumber of Poles using Magnetic Loading Formula

GoNumber of Poles using Pole Pitch Formula