Back Pitch for DC Machine Solution

STEP 0: Pre-Calculation Summary
Formula Used
Back Pitch = ((2*Number of Slots)/Number of Poles)+1
Yb = ((2*nslot)/P)+1
This formula uses 3 Variables
Variables Used
Back Pitch - Back Pitch refers to the distance between two consecutive sides of a coil measured along the surface of the armature.
Number of Slots - Number of Slotsdepends on various factors such as the size of the generator, the type of winding used, the desired output voltage, and the power rating.
Number of Poles - Number of Poles refers to the total count of poles in an electrical machine for the flux generation.
STEP 1: Convert Input(s) to Base Unit
Number of Slots: 96 --> No Conversion Required
Number of Poles: 9 --> No Conversion Required
STEP 2: Evaluate Formula
Substituting Input Values in Formula
Yb = ((2*nslot)/P)+1 --> ((2*96)/9)+1
Evaluating ... ...
Yb = 22.3333333333333
STEP 3: Convert Result to Output's Unit
22.3333333333333 --> No Conversion Required
FINAL ANSWER
22.3333333333333 22.33333 <-- Back Pitch
(Calculation completed in 00.004 seconds)

Credits

Created by Urvi Rathod
Vishwakarma Government Engineering College (VGEC), Ahmedabad
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16 DC Machine Characterstics Calculators

Mechanical Efficiency given Induced Voltage and Armature Current
Go Mechanical Efficiency = (Electrical Efficiency*Output Voltage*Armature Current)/(Angular Speed*Torque)
Electrical Efficiency of DC Machine
Go Electrical Efficiency = (Mechanical Efficiency*Angular Speed*Torque)/(Output Voltage*Armature Current)
Design Constant of DC Machine
Go Machine Constant = (Number of Conductors*Number of Poles)/(2*pi*Number of Parallel Paths)
Angular Speed of DC Machine using Kf
Go Angular Speed = Armature Voltage/(Machine Constant*Magnetic Flux*Armature Current)
Armature Induced Voltage of DC Machine given Kf
Go Armature Voltage = Machine Constant*Armature Current*Magnetic Flux*Angular Speed
Back EMF of DC Generator
Go Back EMF = Output Voltage-(Armature Current*Armature Resistance)
Magnetic Flux of DC Machine given Torque
Go Magnetic Flux = Torque/(Machine Constant*Armature Current)
EMF Generated in DC Machine with Lap Winding
Go EMF = (Rotor Speed*Number of Conductors*Flux per Pole)/60
Torque generated in DC Machine
Go Torque = Machine Constant*Magnetic Flux*Armature Current
Coil Span of DC Motor
Go Coil Span Factor = Number of Commutator Segments/Number of Poles
Front Pitch for DC Machine
Go Front Pitch = ((2*Number of Slots)/Number of Poles)-1
Back Pitch for DC Machine
Go Back Pitch = ((2*Number of Slots)/Number of Poles)+1
Input Power of DC Motor
Go Input Power = Supply Voltage*Armature Current
Pole Pitch in DC Generator
Go Pole Pitch = Number of Slots/Number of Poles
Back Pitch for DC Machine given Coil Span
Go Back Pitch = Coil Span*Coil Span Factor
Output Power of DC Machine
Go Output Power = Angular Speed*Torque

Back Pitch for DC Machine Formula

Back Pitch = ((2*Number of Slots)/Number of Poles)+1
Yb = ((2*nslot)/P)+1

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How to Calculate Back Pitch for DC Machine?

Back Pitch for DC Machine calculator uses Back Pitch = ((2*Number of Slots)/Number of Poles)+1 to calculate the Back Pitch, The Back Pitch for DC Machine formula is defined as the coil advances on the back of the armature. This advancement is measured in terms of armature conductors and is called back pitch. It is equal to the number difference of the conductor connected to a given segment of the commutator. Back Pitch is denoted by Yb symbol.

How to calculate Back Pitch for DC Machine using this online calculator? To use this online calculator for Back Pitch for DC Machine, enter Number of Slots (nslot) & Number of Poles (P) and hit the calculate button. Here is how the Back Pitch for DC Machine calculation can be explained with given input values -> 22.33333 = ((2*96)/9)+1.

FAQ

What is Back Pitch for DC Machine?
The Back Pitch for DC Machine formula is defined as the coil advances on the back of the armature. This advancement is measured in terms of armature conductors and is called back pitch. It is equal to the number difference of the conductor connected to a given segment of the commutator and is represented as Yb = ((2*nslot)/P)+1 or Back Pitch = ((2*Number of Slots)/Number of Poles)+1. Number of Slotsdepends on various factors such as the size of the generator, the type of winding used, the desired output voltage, and the power rating & Number of Poles refers to the total count of poles in an electrical machine for the flux generation.
How to calculate Back Pitch for DC Machine?
The Back Pitch for DC Machine formula is defined as the coil advances on the back of the armature. This advancement is measured in terms of armature conductors and is called back pitch. It is equal to the number difference of the conductor connected to a given segment of the commutator is calculated using Back Pitch = ((2*Number of Slots)/Number of Poles)+1. To calculate Back Pitch for DC Machine, you need Number of Slots (nslot) & Number of Poles (P). With our tool, you need to enter the respective value for Number of Slots & Number of Poles 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 Back Pitch?
In this formula, Back Pitch uses Number of Slots & Number of Poles. We can use 1 other way(s) to calculate the same, which is/are as follows -
  • Back Pitch = Coil Span*Coil Span Factor
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