Pole Pitch Calculator

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

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Formula

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Pole Pitch

Formula

`"Y"_{"p"} = (pi*"D"_{"a"})/"n"`

Example

`"0.392699m"=(pi*"0.5m")/"4"`

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Pole Pitch Solution

STEP 0: Pre-Calculation Summary

Formula Used

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

Constants Used

pi - Archimedes' constant Value Taken As 3.14159265358979323846264338327950288

Variables Used

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

STEP 1: Convert Input(s) to Base Unit

Armature Diameter: 0.5 Meter --> 0.5 Meter No Conversion Required
Number of Poles: 4 --> No Conversion Required

STEP 2: Evaluate Formula

Substituting Input Values in Formula

Y_p = (pi*D_a)/n --> (pi*0.5)/4

Evaluating ... ...

Y_p = 0.392699081698724

STEP 3: Convert Result to Output's Unit

0.392699081698724 Meter --> No Conversion Required

FINAL ANSWER

0.392699081698724 ≈ 0.392699 Meter <-- Pole Pitch

(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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< 19 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)

Armature Core Length using Specific Magnetic Loading

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

Armature Diameter using Specific Magnetic Loading

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

Number of Poles using Specific Magnetic Loading

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

Flux per Pole using Specific Magnetic Loading

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

Area of Damper Winding

Go Area of Damper Winding = (0.2*Specific Electric Loading*Pole Pitch)/Current Density in Stator Conductor

Flux per Pole using Pole Pitch

Go Flux per Pole = Specific Magnetic Loading*Pole Pitch*Limiting Value of Core Length

Stator Conductor Cross Section Area

Go Stator Conductor Cross Section Area = Current in Conductor/Current Density in Stator Conductor

Specific Magnetic Loading using Output Coefficient DC

Go Specific Magnetic Loading = (Output Coefficient DC*1000)/(pi^2*Specific Electric Loading)

Output Coefficient DC

Go Output Coefficient DC = (pi^2*Specific Magnetic Loading*Specific Electric Loading)/1000

Number of Poles using Pole Pitch

Go Number of Poles = (pi*Armature Diameter)/Pole Pitch

Pole Pitch

Go Pole Pitch = (pi*Armature Diameter)/Number of Poles

Stator Conductors per Slot

Go Conductors per Slot = Number of Conductors/Number of Stator Slots

Number of Poles using Magnetic Loading

Go Number of Poles = Magnetic Loading/Flux per Pole

Flux per Pole using Magnetic Loading

Go Flux per Pole = Magnetic Loading/Number of Poles

Output Power of DC Machines

Go Output Power = Generated Power/Efficiency

Efficiency of DC Machine

Go Efficiency = Generated Power/Output Power

< 8 Magnetic Parameters Calculators

Specific Magnetic Loading

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

Specific Magnetic Loading using Output Coefficient AC

Go Specific Magnetic Loading = (Output Coefficient AC*1000)/(11*Specific Electric Loading*Winding Factor)

Flux per Pole using Pole Pitch

Go Flux per Pole = Specific Magnetic Loading*Pole Pitch*Limiting Value of Core Length

Pole Pitch

Go Pole Pitch = (pi*Armature Diameter)/Number of Poles

MMF of Damper Winding

Go MMF of Damper Winding = 0.143*Specific Electric Loading*Pole Pitch

Full Load Field MMF

Go Full Load Field MMF = Field Current*Turns per Coil

Magnetic Loading

Go Magnetic Loading = Number of Poles*Flux per Pole

Pole Arc

Go Pole Arc = Number of Damper Bar*0.8*Slot Pitch

Pole Pitch Formula

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

What is coil pitch?

The distance between the two sides of an individual coil of an AC armature winding is termed the coil pitch. When the angular distance between the sides of a coil is exactly equal to the angular distance between the centers of adjacent field poles, the coil is termed to be a full pitch coil.

Why is pole pitch 180 degrees?

The electrical space angle between the active coil length or coil side is equal to one pole pitch. Since 1 pole pitch is the angular distance between the two consecutive poles which is equal to 180 electrical degree, therefore the coil span for full pitch coil is also equal to 180 electrical degree.

How to Calculate Pole Pitch?

Pole Pitch calculator uses Pole Pitch = (pi*Armature Diameter)/Number of Poles to calculate 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 calculate Pole Pitch using this online calculator? To use this online calculator for Pole Pitch, enter Armature Diameter (D_a) & Number of Poles (n) and hit the calculate button. Here is how the Pole Pitch calculation can be explained with given input values -> 0.392699 = (pi*0.5)/4.

FAQ

What is 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 and is represented as Y_p = (pi*D_a)/n or Pole Pitch = (pi*Armature Diameter)/Number of Poles. 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 & The number of poles determines the synchronous speed and operating characteristics of the machine.

How to calculate 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 is calculated using Pole Pitch = (pi*Armature Diameter)/Number of Poles. To calculate Pole Pitch, you need Armature Diameter (D_a) & Number of Poles (n). With our tool, you need to enter the respective value for Armature Diameter & Number of Poles 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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