Motor Speed in Induction Motor Calculator

✖Synchronous speed is a definite speed for an alternating-current machine that is dependent on the frequency of the supply circuit.ⓘ Synchronous Speed [N_s]			+10% -10%
✖Slip in Induction Motor is the relative speed between the rotating magnetic flux and rotor expressed in terms of per unit synchronous speed. It is a dimensionless quantity.ⓘ Slip [s]			+10% -10%

✖Motor Speed is the speed of the rotor(motor).ⓘ Motor Speed in Induction Motor [N_m]

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Formula

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Motor Speed in Induction Motor

Formula

`"N"_{"m"} = "N"_{"s"}*(1-"s")`

Example

`"12684.6rev/min"="15660rev/min"*(1-"0.19")`

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Motor Speed in Induction Motor Solution

STEP 0: Pre-Calculation Summary

Formula Used

Motor Speed = Synchronous Speed*(1-Slip)
N_m = N_s*(1-s)
This formula uses 3 Variables

Variables Used

Motor Speed - (Measured in Radian per Second) - Motor Speed is the speed of the rotor(motor).
Synchronous Speed - (Measured in Radian per Second) - Synchronous speed is a definite speed for an alternating-current machine that is dependent on the frequency of the supply circuit.
Slip - Slip in Induction Motor is the relative speed between the rotating magnetic flux and rotor expressed in terms of per unit synchronous speed. It is a dimensionless quantity.

STEP 1: Convert Input(s) to Base Unit

Synchronous Speed: 15660 Revolution per Minute --> 1639.91136509036 Radian per Second (Check conversion here)
Slip: 0.19 --> No Conversion Required

STEP 2: Evaluate Formula

Substituting Input Values in Formula

N_m = N_s*(1-s) --> 1639.91136509036*(1-0.19)

Evaluating ... ...

N_m = 1328.32820572319

STEP 3: Convert Result to Output's Unit

1328.32820572319 Radian per Second -->12684.6 Revolution per Minute (Check conversion here)

FINAL ANSWER

12684.6 Revolution per Minute <-- Motor Speed

(Calculation completed in 00.004 seconds)

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Created by Urvi Rathod

Vishwakarma Government Engineering College (VGEC), Ahmedabad

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< 8 Speed Calculators

Synchronous Speed given Mechanical Power

Go Synchronous Speed = (60*Mechanical Power)/(2*pi*Gross Torque)

Linear Synchronous Speed

Go Linear Synchronous Speed = 2*Pole Pitch Width*Line Frequency

Synchronous Speed in Induction Motor

Go Synchronous Speed = (120*Frequency)/(Number of Poles)

Synchronous Speed of Induction Motor given Efficiency

Go Synchronous Speed = (Motor Speed)/(Efficiency)

Motor Speed given Efficiency in Induction Motor

Go Motor Speed = Efficiency*Synchronous Speed

Motor Speed given Synchronous Speed

Go Motor Speed = Synchronous Speed*(1-Slip)

Synchronous Speed given Motor Speed

Go Synchronous Speed = Motor Speed/(1-Slip)

Motor Speed in Induction Motor

Go Motor Speed = Synchronous Speed*(1-Slip)

Motor Speed in Induction Motor Formula

Motor Speed = Synchronous Speed*(1-Slip)
N_m = N_s*(1-s)

What is rotational speed?

Rotational speed (or speed of revolution) of an object rotating around an axis is the number of turns of the object divided by time, specified as revolutions per minute (rpm), cycles per second (cps), radians per second (rad/s).

How to Calculate Motor Speed in Induction Motor?

Motor Speed in Induction Motor calculator uses Motor Speed = Synchronous Speed*(1-Slip) to calculate the Motor Speed, Motor Speed in Induction Motor is the speed at which the rotor of an induction motor rotates. Motor Speed is denoted by N_m symbol.

How to calculate Motor Speed in Induction Motor using this online calculator? To use this online calculator for Motor Speed in Induction Motor, enter Synchronous Speed (N_s) & Slip (s) and hit the calculate button. Here is how the Motor Speed in Induction Motor calculation can be explained with given input values -> 121129 = 1639.91136509036*(1-0.19).

FAQ

What is Motor Speed in Induction Motor?

Motor Speed in Induction Motor is the speed at which the rotor of an induction motor rotates and is represented as N_m = N_s*(1-s) or Motor Speed = Synchronous Speed*(1-Slip). Synchronous speed is a definite speed for an alternating-current machine that is dependent on the frequency of the supply circuit & Slip in Induction Motor is the relative speed between the rotating magnetic flux and rotor expressed in terms of per unit synchronous speed. It is a dimensionless quantity.

How to calculate Motor Speed in Induction Motor?

Motor Speed in Induction Motor is the speed at which the rotor of an induction motor rotates is calculated using Motor Speed = Synchronous Speed*(1-Slip). To calculate Motor Speed in Induction Motor, you need Synchronous Speed (N_s) & Slip (s). With our tool, you need to enter the respective value for Synchronous Speed & Slip 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 Motor Speed?

In this formula, Motor Speed uses Synchronous Speed & Slip. We can use 2 other way(s) to calculate the same, which is/are as follows -

Motor Speed = Synchronous Speed*(1-Slip)
Motor Speed = Efficiency*Synchronous Speed

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