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Number of Poles using Pole Pitch Calculator

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✖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.ⓘ Armature Diameter [D_a]			+10% -10%
✖Pole pitch is defined as the peripheral distance between the center of two adjacent poles in a DC machine.ⓘ Pole Pitch [Y_p]			+10% -10%

✖The number of poles determines the synchronous speed and operating characteristics of the machine.ⓘ Number of Poles using Pole Pitch [n]

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Formula

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Number of Poles using Pole Pitch

Formula

n = \frac{π \cdot D a}{Y p}

Example

4 = \frac{π \cdot 0.5 m}{0.392 m}

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Number of Poles using Pole Pitch Solution

STEP 0: Pre-Calculation Summary

Formula Used

Number of Poles = (pi*Armature Diameter)/Pole Pitch
n = (pi*D_a)/Y_p
This formula uses 1 Constants, 3 Variables

Constants Used

pi - Archimedes' constant Value Taken As 3.14159265358979323846264338327950288

Variables Used

Number of Poles - The number of poles determines the synchronous speed and operating characteristics of the machine.
Armature Diameter - (Measured in Meter) - 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.
Pole Pitch - (Measured in Meter) - Pole pitch is defined as the peripheral distance between the center of two adjacent poles in a DC machine.

STEP 1: Convert Input(s) to Base Unit

Armature Diameter: 0.5 Meter --> 0.5 Meter No Conversion Required
Pole Pitch: 0.392 Meter --> 0.392 Meter No Conversion Required

STEP 2: Evaluate Formula

Substituting Input Values in Formula

n = (pi*D_a)/Y_p --> (pi*0.5)/0.392

Evaluating ... ...

n = 4.00713348672168

STEP 3: Convert Result to Output's Unit

4.00713348672168 --> No Conversion Required

FINAL ANSWER

4.00713348672168 ≈ 4 <-- Number of Poles

(Calculation completed in 00.004 seconds)

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< DC Machines Calculators

Peripheral Speed of Armature using Limiting Value of Core Length

Go Peripheral Speed of Armature = (7.5)/(Specific Magnetic Loading*Limiting Value of Core Length*Turns per Coil*Number of Coils between Adjacent Segments)

Average Gap Density using Limiting Value of Core Length

Go Specific Magnetic Loading = (7.5)/(Limiting Value of Core Length*Peripheral Speed of Armature*Turns per Coil*Number of Coils between Adjacent Segments)

Limiting Value of Core Length

Go Limiting Value of Core Length = (7.5)/(Specific Magnetic Loading*Peripheral Speed of Armature*Turns per Coil*Number of Coils between Adjacent Segments)

Number of Poles using Magnetic Loading

Go Number of Poles = Magnetic Loading/Flux per Pole

Number of Poles using Pole Pitch Formula

Number of Poles = (pi*Armature Diameter)/Pole Pitch
n = (pi*D_a)/Y_p

What is pole in machine?

a pole is a north or south magnetic field of force that is generated by a permanent magnet or current passing through a coil of wire.

How is motor pole calculated?

The formula is n = 60 x f /p where n = synchronous speed; f = supply frequency & p = pairs of poles per phase.

How to Calculate Number of Poles using Pole Pitch?

Number of Poles using Pole Pitch calculator uses Number of Poles = (pi*Armature Diameter)/Pole Pitch to calculate the Number of Poles, The Number of poles using pole pitch gives the number of poles in the machine. Number of Poles is denoted by n symbol.

How to calculate Number of Poles using Pole Pitch using this online calculator? To use this online calculator for Number of Poles using Pole Pitch, enter Armature Diameter (D_a) & Pole Pitch (Y_p) and hit the calculate button. Here is how the Number of Poles using Pole Pitch calculation can be explained with given input values -> 4 = (pi*0.5)/0.392.

FAQ

What is Number of Poles using Pole Pitch?

The Number of poles using pole pitch gives the number of poles in the machine and is represented as n = (pi*D_a)/Y_p or Number of Poles = (pi*Armature Diameter)/Pole Pitch. 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 & Pole pitch is defined as the peripheral distance between the center of two adjacent poles in a DC machine.

How to calculate Number of Poles using Pole Pitch?

The Number of poles using pole pitch gives the number of poles in the machine is calculated using Number of Poles = (pi*Armature Diameter)/Pole Pitch. To calculate Number of Poles using Pole Pitch, you need Armature Diameter (D_a) & Pole Pitch (Y_p). With our tool, you need to enter the respective value for Armature Diameter & Pole Pitch and hit the calculate button. You can also select the units (if any) for Input(s) and the Output as well.

How many ways are there to calculate Number of Poles?

In this formula, Number of Poles uses Armature Diameter & Pole Pitch. We can use 2 other way(s) to calculate the same, which is/are as follows -

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

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