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Armature Current of Shunt DC Motor given Torque Formula

GoArmature Current of Shunt DC Motor given Voltage Formula

GoArmature Current of Shunt DC Motor given Input Power Formula

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Armature Current DC motor is defined as the armature current developed in an electrical dc motor due to the rotation of rotor. Check FAQs

I a = \frac{τ}{K f \cdot Φ}

I_a - Armature Current?τ - Torque?K_f - Constant of Machine Construction?Φ - Magnetic Flux?

Armature Current of Shunt DC Motor given Torque Example

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Here is how the Armature Current of Shunt DC Motor given Torque equation looks like with Values.

Here is how the Armature Current of Shunt DC Motor given Torque equation looks like with Units.

Here is how the Armature Current of Shunt DC Motor given Torque equation looks like.

3.7281 = \frac{0.85}{2 \cdot 0.114}

3.7281A = \frac{0.85N*m}{2 \cdot 0.114Wb}

3.7281 = \frac{0.85}{2 \cdot 0.114}

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Armature Current of Shunt DC Motor given Torque Solution

Follow our step by step solution on how to calculate Armature Current of Shunt DC Motor given Torque?

FIRST Step Consider the formula

I a = \frac{τ}{K f \cdot Φ}

Next Step Substitute values of Variables

∴

I a = \frac{0.85N*m}{2 \cdot 0.114Wb}

Next Step Prepare to Evaluate

∴

I a = \frac{0.85}{2 \cdot 0.114}

Next Step Evaluate

∴

I a = 3.7280701754386A

LAST Step Rounding Answer

∴

I a = 3.7281A

Armature Current of Shunt DC Motor given Torque Formula Elements

Variables

Armature Current

Armature Current DC motor is defined as the armature current developed in an electrical dc motor due to the rotation of rotor.

Symbol: I_a

Measurement: Electric CurrentUnit: A

Note: Value can be positive or negative.

Formulas to find Armature Current

Torque

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 Torque

Constant of Machine Construction

Constant of Machine construction is a constant term which is calculated separately to a make calculation less complex.

Symbol: K_f

Measurement: NAUnit: Unitless

Note: Value can be positive or negative.

Formulas to find Constant of Machine Construction

Magnetic Flux

Magnetic flux (Φ) is the number of magnetic field lines passing through the magnetic core of an electrical dc motor.

Symbol: Φ

Measurement: Magnetic FluxUnit: Wb

Note: Value should be greater than 0.

Formulas to find Magnetic Flux

Other Formulas to find Armature Current

Go Armature Current of Shunt DC Motor given Voltage

I a = \frac{V sp - E b}{R a}

Go Armature Current of Shunt DC Motor given Input Power

I a = \frac{P in}{V sp}

Other formulas in Current category

Go Field Current of DC Shunt Motor

I f = \frac{V sp}{R sh}

How to Evaluate Armature Current of Shunt DC Motor given Torque?

Armature Current of Shunt DC Motor given Torque evaluator uses Armature Current = Torque/(Constant of Machine Construction*Magnetic Flux) to evaluate the Armature Current, The Armature Current of Shunt DC Motor given Torque formula is defined as the current that flows into the armature winding of the Shunt DC motor. Armature Current is denoted by I_a symbol.

How to evaluate Armature Current of Shunt DC Motor given Torque using this online evaluator? To use this online evaluator for Armature Current of Shunt DC Motor given Torque, enter Torque (τ), Constant of Machine Construction (K_f) & Magnetic Flux (Φ) and hit the calculate button.

FAQs on Armature Current of Shunt DC Motor given Torque

What is the formula to find Armature Current of Shunt DC Motor given Torque?

The formula of Armature Current of Shunt DC Motor given Torque is expressed as Armature Current = Torque/(Constant of Machine Construction*Magnetic Flux). Here is an example- 10.625 = 0.85/(2*0.114).

How to calculate Armature Current of Shunt DC Motor given Torque?

With Torque (τ), Constant of Machine Construction (K_f) & Magnetic Flux (Φ) we can find Armature Current of Shunt DC Motor given Torque using the formula - Armature Current = Torque/(Constant of Machine Construction*Magnetic Flux).

What are the other ways to Calculate Armature Current?

Here are the different ways to Calculate Armature Current-

Armature Current=(Supply Voltage-Back EMF)/Armature Resistance
Armature Current=Input Power/Supply Voltage

Can the Armature Current of Shunt DC Motor given Torque be negative?

Yes, the Armature Current of Shunt DC Motor given Torque, measured in Electric Current can be negative.

Which unit is used to measure Armature Current of Shunt DC Motor given Torque?

Armature Current of Shunt DC Motor given Torque is usually measured using the Ampere[A] for Electric Current. Milliampere[A], Microampere[A], Centiampere[A] are the few other units in which Armature Current of Shunt DC Motor given Torque can be measured.

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