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Motor Torque given Mechanical Efficiency of DC Motor Formula

GoMotor Torque of Series DC Motor given Machine Constant Formula

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Motor Torque is defined as a measure of the force that causes the rotor of an electrical machine to rotate about an axis. Check FAQs

τ = \frac{τ a}{η m}

τ - Motor Torque?τ_a - Armature Torque?η_m - Mechanical Efficiency?

Motor Torque given Mechanical Efficiency of DC Motor Example

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Here is how the Motor Torque given Mechanical Efficiency of DC Motor equation looks like with Values.

Here is how the Motor Torque given Mechanical Efficiency of DC Motor equation looks like with Units.

Here is how the Motor Torque given Mechanical Efficiency of DC Motor equation looks like.

0.7067 = \frac{0.424}{0.6}

0.7067N*m = \frac{0.424N*m}{0.6}

0.7067 = \frac{0.424}{0.6}

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Motor Torque given Mechanical Efficiency of DC Motor Solution

Follow our step by step solution on how to calculate Motor Torque given Mechanical Efficiency of DC Motor?

FIRST Step Consider the formula

τ = \frac{τ a}{η m}

Next Step Substitute values of Variables

∴

τ = \frac{0.424N*m}{0.6}

Next Step Prepare to Evaluate

∴

τ = \frac{0.424}{0.6}

Next Step Evaluate

∴

τ = 0.706666666666667N*m

LAST Step Rounding Answer

∴

τ = 0.7067N*m

Motor Torque given Mechanical Efficiency of DC Motor Formula Elements

Variables

Motor Torque

Motor Torque is defined as a measure of the force that causes the rotor of an electrical machine to rotate about an axis.

Symbol: τ

Measurement: TorqueUnit: N*m

Note: Value should be greater than 0.

Formulas to find Motor Torque

Armature Torque

Armature Torque is defined as the electric torque induced by the armature winding in a dc motor.

Symbol: τ_a

Measurement: TorqueUnit: N*m

Note: Value can be positive or negative.

Formulas to find Armature Torque

Mechanical Efficiency

Mechanical Efficiency the ratio of the power delivered by a mechanical system to the power supplied to it.

Symbol: η_m

Measurement: NAUnit: Unitless

Note: Value should be greater than 0.

Formulas to find Mechanical Efficiency

Other Formulas to find Motor Torque

Go Motor Torque of Series DC Motor given Machine Constant

τ = K f \cdot Φ \cdot {I a}^{2}

Other formulas in DC Motor Characteristics category

Go Machine Construction Constant of DC Motor

K f = \frac{V s - I a \cdot R a}{Φ \cdot N}

Go Back EMF Equation of DC Motor

E b = \frac{n \cdot Φ \cdot Z \cdot N}{60 \cdot n ||}

Go Supply Voltage given Electrical Efficiency of DC Motor

V s = \frac{ω s \cdot τ a}{I a \cdot η e}

Go Armature Current given Electrical Efficiency of DC Motor

I a = \frac{ω s \cdot τ a}{V s \cdot η e}

How to Evaluate Motor Torque given Mechanical Efficiency of DC Motor?

Motor Torque given Mechanical Efficiency of DC Motor evaluator uses Motor Torque = Armature Torque/Mechanical Efficiency to evaluate the Motor Torque, The Motor Torque given Mechanical Efficiency of DC Motor formula is defined as the rate of change of angular momentum of an object and in physics, it is called "net torque". Motor Torque is denoted by τ symbol.

How to evaluate Motor Torque given Mechanical Efficiency of DC Motor using this online evaluator? To use this online evaluator for Motor Torque given Mechanical Efficiency of DC Motor, enter Armature Torque (τ_a) & Mechanical Efficiency (η_m) and hit the calculate button.

FAQs on Motor Torque given Mechanical Efficiency of DC Motor

What is the formula to find Motor Torque given Mechanical Efficiency of DC Motor?

The formula of Motor Torque given Mechanical Efficiency of DC Motor is expressed as Motor Torque = Armature Torque/Mechanical Efficiency. Here is an example- 0.706667 = 0.424/0.6.

How to calculate Motor Torque given Mechanical Efficiency of DC Motor?

With Armature Torque (τ_a) & Mechanical Efficiency (η_m) we can find Motor Torque given Mechanical Efficiency of DC Motor using the formula - Motor Torque = Armature Torque/Mechanical Efficiency.

What are the other ways to Calculate Motor Torque?

Here are the different ways to Calculate Motor Torque-

Motor Torque=Constant of Machine Construction*Magnetic Flux*Armature Current^2

Can the Motor Torque given Mechanical Efficiency of DC Motor be negative?

No, the Motor Torque given Mechanical Efficiency of DC Motor, measured in Torque cannot be negative.

Which unit is used to measure Motor Torque given Mechanical Efficiency of DC Motor?

Motor Torque given Mechanical Efficiency of DC Motor is usually measured using the Newton Meter[N*m] for Torque. Newton Centimeter[N*m], Newton Millimeter[N*m], Kilonewton Meter[N*m] are the few other units in which Motor Torque given Mechanical Efficiency of DC Motor can be measured.

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