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Angular Speed of DC Machine using Kf Formula

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Angular speed is the rate of rotation about an axis, measuring how the angle changes with time. It is measured in radian/sec. Check FAQs

ω s = \frac{V a}{K f \cdot Φ \cdot I a}

ω_s - Angular Speed?V_a - Armature Voltage?K_f - Machine Constant?Φ - Magnetic Flux?I_a - Armature Current?

Angular Speed of DC Machine using Kf Example

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Here is how the Angular Speed of DC Machine using Kf equation looks like with Values.

Here is how the Angular Speed of DC Machine using Kf equation looks like with Units.

Here is how the Angular Speed of DC Machine using Kf equation looks like.

321.0685 = \frac{200}{2.864 \cdot 0.29 \cdot 0.75}

321.0685rad/s = \frac{200V}{2.864 \cdot 0.29Wb \cdot 0.75A}

321.0685 = \frac{200}{2.864 \cdot 0.29 \cdot 0.75}

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Angular Speed of DC Machine using Kf Solution

Follow our step by step solution on how to calculate Angular Speed of DC Machine using Kf?

FIRST Step Consider the formula

ω s = \frac{V a}{K f \cdot Φ \cdot I a}

Next Step Substitute values of Variables

∴

ω s = \frac{200V}{2.864 \cdot 0.29Wb \cdot 0.75A}

Next Step Prepare to Evaluate

∴

ω s = \frac{200}{2.864 \cdot 0.29 \cdot 0.75}

Next Step Evaluate

∴

ω s = 321.068516021319rad/s

LAST Step Rounding Answer

∴

ω s = 321.0685rad/s

Angular Speed of DC Machine using Kf Formula Elements

Variables

Angular Speed

Angular speed is the rate of rotation about an axis, measuring how the angle changes with time. It is measured in radian/sec.

Symbol: ω_s

Measurement: Angular VelocityUnit: rad/s

Note: Value should be greater than 0.

Formulas to find Angular Speed

Armature Voltage

Armature Voltage is defined as voltage developed at the terminals of the armature winding of an AC or DC machine during the generation of power.

Symbol: V_a

Measurement: Electric PotentialUnit: V

Note: Value can be positive or negative.

Formulas to find Armature Voltage

Machine Constant

Machine Constant refers to the parameter which usually has a constant value for a particular type of dc machine.

Symbol: K_f

Measurement: NAUnit: Unitless

Note: Value can be positive or negative.

Formulas to find Machine Constant

Magnetic Flux

Magnetic Flux refers to the lines of magnetic force that pass through the magnetic circuit of the machine. The magnetic flux is created by field winding that is wound around pole shoes.

Symbol: Φ

Measurement: Magnetic FluxUnit: Wb

Note: Value should be greater than 0.

Formulas to find Magnetic Flux

Armature Current

Armature Current is defined as the current developed in the armature of an electrical DC generator due to movement of rotor.

Symbol: I_a

Measurement: Electric CurrentUnit: A

Note: Value can be positive or negative.

Formulas to find Armature Current

Other formulas in DC Machine Characterstics category

Go Design Constant of DC Machine

K f = \frac{Z \cdot P}{2 \cdot π \cdot n ll}

Go Back Pitch for DC Machine

Y b = (\frac{2 \cdot n slot}{P}) + 1

Go Front Pitch for DC Machine

Y F = (\frac{2 \cdot n slot}{P}) - 1

Go EMF Generated in DC Machine with Lap Winding

E = \frac{N r \cdot Z \cdot Φ p}{60}

How to Evaluate Angular Speed of DC Machine using Kf?

Angular Speed of DC Machine using Kf evaluator uses Angular Speed = Armature Voltage/(Machine Constant*Magnetic Flux*Armature Current) to evaluate the Angular Speed, The Angular Speed of DC Machine using Kf formula is defined as the rate of change of angular displacement of the DC Machine. Angular Speed is denoted by ω_s symbol.

How to evaluate Angular Speed of DC Machine using Kf using this online evaluator? To use this online evaluator for Angular Speed of DC Machine using Kf, enter Armature Voltage (V_a), Machine Constant (K_f), Magnetic Flux (Φ) & Armature Current (I_a) and hit the calculate button.

FAQs on Angular Speed of DC Machine using Kf

What is the formula to find Angular Speed of DC Machine using Kf?

The formula of Angular Speed of DC Machine using Kf is expressed as Angular Speed = Armature Voltage/(Machine Constant*Magnetic Flux*Armature Current). Here is an example- 321.0685 = 200/(2.864*0.29*0.75).

How to calculate Angular Speed of DC Machine using Kf?

With Armature Voltage (V_a), Machine Constant (K_f), Magnetic Flux (Φ) & Armature Current (I_a) we can find Angular Speed of DC Machine using Kf using the formula - Angular Speed = Armature Voltage/(Machine Constant*Magnetic Flux*Armature Current).

Can the Angular Speed of DC Machine using Kf be negative?

No, the Angular Speed of DC Machine using Kf, measured in Angular Velocity cannot be negative.

Which unit is used to measure Angular Speed of DC Machine using Kf?

Angular Speed of DC Machine using Kf is usually measured using the Radian per Second[rad/s] for Angular Velocity. Radian per Day[rad/s], Radian per Hour[rad/s], Radian per Minute[rad/s] are the few other units in which Angular Speed of DC Machine using Kf can be measured.

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Angular Speed of DC Machine using Kf Formula

Angular Speed of DC Machine using Kf Example

Angular Speed of DC Machine using Kf Solution

Angular Speed of DC Machine using Kf Formula Elements

Other formulas in DC Machine Characterstics category

How to Evaluate Angular Speed of DC Machine using Kf?

FAQs on Angular Speed of DC Machine using Kf

Variable Name