Rotor Frequency given Supply Frequency Calculator

✖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%
✖Frequency is the rate at which current changes direction per second. It is measured in hertz (Hz).ⓘ Frequency [f]			+10% -10%

✖Rotor frequency is the number of cycles per second of the rotor.ⓘ Rotor Frequency given Supply Frequency [f_r]

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Formula

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Rotor Frequency given Supply Frequency

Formula

`"f"_{"r"} = "s"*"f"`

Example

`"10.374Hz"="0.19"*"54.6Hz"`

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Rotor Frequency given Supply Frequency Solution

STEP 0: Pre-Calculation Summary

Formula Used

Rotor Frequency = Slip*Frequency
f_r = s*f
This formula uses 3 Variables

Variables Used

Rotor Frequency - (Measured in Hertz) - Rotor frequency is the number of cycles per second of the rotor.
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.
Frequency - (Measured in Hertz) - Frequency is the rate at which current changes direction per second. It is measured in hertz (Hz).

STEP 1: Convert Input(s) to Base Unit

Slip: 0.19 --> No Conversion Required
Frequency: 54.6 Hertz --> 54.6 Hertz No Conversion Required

STEP 2: Evaluate Formula

Substituting Input Values in Formula

f_r = s*f --> 0.19*54.6

Evaluating ... ...

f_r = 10.374

STEP 3: Convert Result to Output's Unit

10.374 Hertz --> No Conversion Required

FINAL ANSWER

10.374 Hertz <-- Rotor Frequency

(Calculation completed in 00.004 seconds)

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Created by Parminder Singh

Chandigarh University (CU), Punjab

Parminder Singh has created this Calculator and 100+ more calculators!

Verified by Aman Dhussawat

GURU TEGH BAHADUR INSTITUTE OF TECHNOLOGY (GTBIT), NEW DELHI

Aman Dhussawat has verified this Calculator and 100+ more calculators!

< 3 Frequency Calculators

Rotor Frequency in Induction Motor

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

Frequency given Number of Poles in Induction Motor

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

Rotor Frequency given Supply Frequency

Go Rotor Frequency = Slip*Frequency

< 25 Induction Motor Circuit Calculators

Torque of Induction Motor under Running Condition

Go Torque = (3*Slip*EMF^2*Resistance)/(2*pi*Synchronous Speed*(Resistance^2+(Reactance^2*Slip)))

Rotor Current in Induction Motor

Go Rotor Current = (Slip*Induced EMF)/sqrt(Rotor Resistance per Phase^2+(Slip*Rotor Reactance per Phase)^2)

Starting Torque of Induction Motor

Go Torque = (3*EMF^2*Resistance)/(2*pi*Synchronous Speed*(Resistance^2+Reactance^2))

Maximum Running Torque

Go Running Torque = (3*EMF^2)/(4*pi*Synchronous Speed*Reactance)

Linear Synchronous Speed

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

Stator Copper Loss in Induction Motor

Go Stator Copper Loss = 3*Stator Current^2*Stator Resistance

Rotor Copper Loss in Induction Motor

Go Rotor Copper Loss = 3*Rotor Current^2*Rotor Resistance

Synchronous Speed in Induction Motor

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

Frequency given Number of Poles in Induction Motor

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

Armature Current given Power in Induction Motor

Go Armature Current = Output Power/Armature Voltage

Synchronous Speed of Induction Motor given Efficiency

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

Rotor Efficiency in Induction Motor

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

Field Current using Load Current in Induction Motor

Go Field Current = Armature Current-Load Current

Rotor Input Power in Induction Motor

Go Rotor Input Power = Input Power-Stator Losses

Load Current in Induction Motor

Go Load Current = Armature Current-Field Current

Force by Linear Induction Motor

Go Force = Input Power/Linear Synchronous Speed

Motor Speed given Efficiency in Induction Motor

Go Motor Speed = Efficiency*Synchronous Speed

Rotor Copper Loss given Input Rotor Power

Go Rotor Copper Loss = Slip*Rotor Input Power

Pitch Factor in Induction Motor

Go Pitch Factor = cos(Short Pitched Angle/2)

Gross Mechanical Power in Induction Motor

Go Mechanical Power = (1-Slip)*Input Power

Rotor Frequency given Supply Frequency

Go Rotor Frequency = Slip*Frequency

Resistance given Slip at Maximum Torque

Go Resistance = Slip*Reactance

Reactance given Slip at Maximum Torque

Go Reactance = Resistance/Slip

Breakdown Slip of Induction Motor

Go Slip = Resistance/Reactance

Slip given Efficiency in Induction Motor

Go Slip = 1-Efficiency

Rotor Frequency given Supply Frequency Formula

Rotor Frequency = Slip*Frequency
f_r = s*f

Explain the rotor circuit model?

The greater the relative motion between the rotor and the stator magnetic fields, the greater the resulting rotor voltage and rotor frequency, The largest relative motion occurs when the rotor is stationary, called the locked-rotor or blocked-rotor condition, so the largest voltage and rotor frequency arc induced in the rotor at that condition.

How to Calculate Rotor Frequency given Supply Frequency?

Rotor Frequency given Supply Frequency calculator uses Rotor Frequency = Slip*Frequency to calculate the Rotor Frequency, The Rotor Frequency given Supply Frequency formula is defined as the frequency of the rotating part of an induction motor. Rotor Frequency is denoted by f_r symbol.

How to calculate Rotor Frequency given Supply Frequency using this online calculator? To use this online calculator for Rotor Frequency given Supply Frequency, enter Slip (s) & Frequency (f) and hit the calculate button. Here is how the Rotor Frequency given Supply Frequency calculation can be explained with given input values -> 10.374 = 0.19*54.6.

FAQ

What is Rotor Frequency given Supply Frequency?

The Rotor Frequency given Supply Frequency formula is defined as the frequency of the rotating part of an induction motor and is represented as f_r = s*f or Rotor Frequency = Slip*Frequency. 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 & Frequency is the rate at which current changes direction per second. It is measured in hertz (Hz).

How to calculate Rotor Frequency given Supply Frequency?

The Rotor Frequency given Supply Frequency formula is defined as the frequency of the rotating part of an induction motor is calculated using Rotor Frequency = Slip*Frequency. To calculate Rotor Frequency given Supply Frequency, you need Slip (s) & Frequency (f). With our tool, you need to enter the respective value for Slip & Frequency 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 Rotor Frequency?

In this formula, Rotor Frequency uses Slip & Frequency. We can use 1 other way(s) to calculate the same, which is/are as follows -

Rotor Frequency = (Number of Poles/120)*(Synchronous Speed-Motor Speed)

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