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Slip at Pull Out Torque Formula

GoSlip given Frequency in Induction Motor Formula

GoBreakdown Slip of Induction Motor Formula

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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. Check FAQs

s = \frac{R 2}{\sqrt{{R th}^{2} + {(X th + X 2)}^{2}}}

s - Slip?R₂ - Referred Resistance?R_th - Thevenin Resistance?X_th - Thevenin Reactance?X₂ - Referred Reactance?

Slip at Pull Out Torque Example

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Here is how the Slip at Pull Out Torque equation looks like with Values.

Here is how the Slip at Pull Out Torque equation looks like with Units.

Here is how the Slip at Pull Out Torque equation looks like.

0.1918 = \frac{13.45}{\sqrt{{41.1}^{2} + {(38 + 18.8)}^{2}}}

0.1918 = \frac{13.45Ω}{\sqrt{{41.1Ω}^{2} + {(38Ω + 18.8Ω)}^{2}}}

0.1918 = \frac{13.45}{\sqrt{{41.1}^{2} + {(38 + 18.8)}^{2}}}

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Slip at Pull Out Torque Solution

Follow our step by step solution on how to calculate Slip at Pull Out Torque?

FIRST Step Consider the formula

s = \frac{R 2}{\sqrt{{R th}^{2} + {(X th + X 2)}^{2}}}

Next Step Substitute values of Variables

∴

s = \frac{13.45Ω}{\sqrt{{41.1Ω}^{2} + {(38Ω + 18.8Ω)}^{2}}}

Next Step Prepare to Evaluate

∴

s = \frac{13.45}{\sqrt{{41.1}^{2} + {(38 + 18.8)}^{2}}}

Next Step Evaluate

∴

s = 0.191840652511443

LAST Step Rounding Answer

∴

s = 0.1918

Slip at Pull Out Torque Formula Elements

Variables

Functions

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.

Symbol: s

Measurement: NAUnit: Unitless

Note: Value can be positive or negative.

Formulas to find Slip

Referred Resistance

Referred Resistance is defined as the resistance of the rotor referred to the primary of the induction motor.

Symbol: R₂

Measurement: Electric ResistanceUnit: Ω

Note: Value should be greater than 0.

Formulas to find Referred Resistance

Thevenin Resistance

Thevenin Resistance is defined as the single equivalent resistance which can you used to replace the resistances in a circuit.

Symbol: R_th

Measurement: Electric ResistanceUnit: Ω

Note: Value should be greater than 0.

Formulas to find Thevenin Resistance

Thevenin Reactance

Thevenin Reactance is defined as the equivalent reactance that can be used to replace the entire reactance in a circuit.

Symbol: X_th

Measurement: Electric ResistanceUnit: Ω

Note: Value can be positive or negative.

Formulas to find Thevenin Reactance

Referred Reactance

Referred Reactance is defined as the reactance of the rotor referred to the primary of the induction motor.

Symbol: X₂

Measurement: Electric ResistanceUnit: Ω

Note: Value should be greater than 0.

Formulas to find Referred Reactance

sqrt

A square root function is a function that takes a non-negative number as an input and returns the square root of the given input number.

Syntax: sqrt(Number)

Other Formulas to find Slip

Go Slip given Frequency in Induction Motor

s = \frac{f r}{f}

Go Breakdown Slip of Induction Motor

s = \frac{R}{X}

Go Slip given Efficiency in Induction Motor

s = 1 - η

Go Slip of Motor in Induction Motor

s = \frac{N s - N m}{N s}

How to Evaluate Slip at Pull Out Torque?

Slip at Pull Out Torque evaluator uses Slip = Referred Resistance/sqrt(Thevenin Resistance^2+(Thevenin Reactance+Referred Reactance)^2) to evaluate the Slip, Slip at Pull Out Torque is defined as slip of an induction motor which occurs when the torque is maximum or when the induction motor has reached its operating point. Slip is denoted by s symbol.

How to evaluate Slip at Pull Out Torque using this online evaluator? To use this online evaluator for Slip at Pull Out Torque, enter Referred Resistance (R₂), Thevenin Resistance (R_th), Thevenin Reactance (X_th) & Referred Reactance (X₂) and hit the calculate button.

FAQs on Slip at Pull Out Torque

What is the formula to find Slip at Pull Out Torque?

The formula of Slip at Pull Out Torque is expressed as Slip = Referred Resistance/sqrt(Thevenin Resistance^2+(Thevenin Reactance+Referred Reactance)^2). Here is an example- 0.192001 = 13.45/sqrt(41.1^2+(38+18.8)^2).

How to calculate Slip at Pull Out Torque?

With Referred Resistance (R₂), Thevenin Resistance (R_th), Thevenin Reactance (X_th) & Referred Reactance (X₂) we can find Slip at Pull Out Torque using the formula - Slip = Referred Resistance/sqrt(Thevenin Resistance^2+(Thevenin Reactance+Referred Reactance)^2). This formula also uses Square Root Function function(s).

What are the other ways to Calculate Slip?

Here are the different ways to Calculate Slip-

Slip=Rotor Frequency/Frequency
Slip=Resistance/Reactance
Slip=1-Efficiency

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Slip at Pull Out Torque Formula

​GoSlip given Frequency in Induction Motor Formula

​GoBreakdown Slip of Induction Motor Formula

Slip at Pull Out Torque Example

Slip at Pull Out Torque Solution

Slip at Pull Out Torque Formula Elements

Other Formulas to find Slip

How to Evaluate Slip at Pull Out Torque?

FAQs on Slip at Pull Out Torque

Variable Name

GoSlip given Frequency in Induction Motor Formula

GoBreakdown Slip of Induction Motor Formula