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Motor Speed given Efficiency in Induction Motor Formula

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Motor Speed is the speed of the rotor(motor). Check FAQs

N m = η \cdot N s

N_m - Motor Speed?η - Efficiency?N_s - Synchronous Speed?

Motor Speed given Efficiency in Induction Motor Example

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With units

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Here is how the Motor Speed given Efficiency in Induction Motor equation looks like with Values.

Here is how the Motor Speed given Efficiency in Induction Motor equation looks like with Units.

Here is how the Motor Speed given Efficiency in Induction Motor equation looks like.

14094 = 0.9 \cdot 15660

14094rev/min = 0.9 \cdot 15660rev/min

14094 = 0.9 \cdot 15660

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Motor Speed given Efficiency in Induction Motor Solution

Follow our step by step solution on how to calculate Motor Speed given Efficiency in Induction Motor?

FIRST Step Consider the formula

N m = η \cdot N s

Next Step Substitute values of Variables

∴

N m = 0.9 \cdot 15660rev/min

Next Step Convert Units

∴

N m = 0.9 \cdot 1639.9114rad/s

Next Step Prepare to Evaluate

∴

N m = 0.9 \cdot 1639.9114

Next Step Evaluate

∴

N m = 1475.92022858132rad/s

LAST Step Convert to Output's Unit

∴

N m = 14094rev/min

Motor Speed given Efficiency in Induction Motor Formula Elements

Variables

Motor Speed

Motor Speed is the speed of the rotor(motor).

Symbol: N_m

Measurement: Angular VelocityUnit: rev/min

Note: Value can be positive or negative.

Formulas to find Motor Speed

Efficiency

The efficiency of a system in electronics and electrical engineering is defined as useful power output divided by the total electrical power consumed.

Symbol: η

Measurement: NAUnit: Unitless

Note: Value should be greater than 0.

Formulas to find Efficiency

Synchronous Speed

Synchronous speed is a definite speed for an alternating-current machine that is dependent on the frequency of the supply circuit.

Symbol: N_s

Measurement: Angular VelocityUnit: rev/min

Note: Value can be positive or negative.

Formulas to find Synchronous Speed

Other formulas in Speed category

Go Armature Current given Power in Induction Motor

I a = \frac{P out}{V a}

Go Field Current using Load Current in Induction Motor

I f = I a - I L

Go Load Current in Induction Motor

I L = I a - I f

Go Rotor Current in Induction Motor

I r = \frac{s \cdot E i}{\sqrt{{R r(ph)}^{2} + {(s \cdot X r(ph))}^{2}}}

How to Evaluate Motor Speed given Efficiency in Induction Motor?

Motor Speed given Efficiency in Induction Motor evaluator uses Motor Speed = Efficiency*Synchronous Speed to evaluate the Motor Speed, Motor Speed given Efficiency in Induction Motor is the speed at which the rotor rotates and Synchronous Speed is the speed of the stator magnetic field in the three-phase induction motor. Motor Speed is denoted by N_m symbol.

How to evaluate Motor Speed given Efficiency in Induction Motor using this online evaluator? To use this online evaluator for Motor Speed given Efficiency in Induction Motor, enter Efficiency (η) & Synchronous Speed (N_s) and hit the calculate button.

FAQs on Motor Speed given Efficiency in Induction Motor

What is the formula to find Motor Speed given Efficiency in Induction Motor?

The formula of Motor Speed given Efficiency in Induction Motor is expressed as Motor Speed = Efficiency*Synchronous Speed. Here is an example- 134587.8 = 0.9*1639.91136509036.

How to calculate Motor Speed given Efficiency in Induction Motor?

With Efficiency (η) & Synchronous Speed (N_s) we can find Motor Speed given Efficiency in Induction Motor using the formula - Motor Speed = Efficiency*Synchronous Speed.

Can the Motor Speed given Efficiency in Induction Motor be negative?

Yes, the Motor Speed given Efficiency in Induction Motor, measured in Angular Velocity can be negative.

Which unit is used to measure Motor Speed given Efficiency in Induction Motor?

Motor Speed given Efficiency in Induction Motor is usually measured using the Revolution per Minute[rev/min] for Angular Velocity. Radian per Second[rev/min], Radian per Day[rev/min], Radian per Hour[rev/min] are the few other units in which Motor Speed given Efficiency in Induction Motor can be measured.

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