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Pole Pitch Formula

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Pole pitch is defined as the peripheral distance between the center of two adjacent poles in a DC machine. Check FAQs

Y p = \frac{π \cdot D a}{n}

Y_p - Pole Pitch?D_a - Armature Diameter?n - Number of Poles?π - Archimedes' constant?

Pole Pitch Example

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With units

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Here is how the Pole Pitch equation looks like with Values.

Here is how the Pole Pitch equation looks like with Units.

Here is how the Pole Pitch equation looks like.

0.3927 = \frac{3.1416 \cdot 0.5}{4}

0.3927m = \frac{3.1416 \cdot 0.5m}{4}

0.3927 = \frac{3.1416 \cdot 0.5}{4}

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Pole Pitch Solution

Follow our step by step solution on how to calculate Pole Pitch?

FIRST Step Consider the formula

Y p = \frac{π \cdot D a}{n}

Next Step Substitute values of Variables

∴

Y p = \frac{π \cdot 0.5m}{4}

Next Step Substitute values of Constants

∴

Y p = \frac{3.1416 \cdot 0.5m}{4}

Next Step Prepare to Evaluate

∴

Y p = \frac{3.1416 \cdot 0.5}{4}

Next Step Evaluate

∴

Y p = 0.392699081698724m

LAST Step Rounding Answer

∴

Y p = 0.3927m

Pole Pitch Formula Elements

Variables

Constants

Pole Pitch

Pole pitch is defined as the peripheral distance between the center of two adjacent poles in a DC machine.

Symbol: Y_p

Measurement: LengthUnit: m

Note: Value should be greater than 0.

Formulas to find Pole Pitch

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

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

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 in DC Machines category

Go Magnetic Loading

B = n \cdot Φ

Go Specific Magnetic Loading

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

Go Specific Magnetic Loading using Output Coefficient AC

B av = \frac{C o(ac) \cdot 1000}{11 \cdot q av \cdot K w}

Go MMF of Damper Winding

MMF d = 0.143 \cdot q av \cdot Y p

How to Evaluate Pole Pitch?

Pole Pitch evaluator uses Pole Pitch = (pi*Armature Diameter)/Number of Poles to evaluate the Pole Pitch, Pole pitch is defined as the peripheral distance between the center of two adjacent poles in a DC machine. This distance is measured in terms of armature slots or armature conductors that come between two adjacent pole centers. Pole Pitch is denoted by Y_p symbol.

How to evaluate Pole Pitch using this online evaluator? To use this online evaluator for Pole Pitch, enter Armature Diameter (D_a) & Number of Poles (n) and hit the calculate button.

FAQs on Pole Pitch

What is the formula to find Pole Pitch?

The formula of Pole Pitch is expressed as Pole Pitch = (pi*Armature Diameter)/Number of Poles. Here is an example- 0.392699 = (pi*0.5)/4.

How to calculate Pole Pitch?

With Armature Diameter (D_a) & Number of Poles (n) we can find Pole Pitch using the formula - Pole Pitch = (pi*Armature Diameter)/Number of Poles. This formula also uses Archimedes' constant .

Can the Pole Pitch be negative?

No, the Pole Pitch, measured in Length cannot be negative.

Which unit is used to measure Pole Pitch?

Pole Pitch is usually measured using the Meter[m] for Length. Millimeter[m], Kilometer[m], Decimeter[m] are the few other units in which Pole Pitch can be measured.

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