FormulaDen.com

Physics Chemistry Math Chemical Engineering Civil Electrical Electronics Electronics and Instrumentation Materials Science Mechanical Production Engineering Financial Health

Magnetic Flux of Series DC Motor given Speed Formula

Fx Copy

LaTeX Copy

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

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

Φ - Magnetic Flux?V_s - Supply Voltage?I_a - Armature Current?R_a - Armature Resistance?R_sf - Series Field Resistance?K_f - Constant of Machine Construction?N - Motor Speed?

Magnetic Flux of Series DC Motor given Speed Example

With values

With units

Only example

Here is how the Magnetic Flux of Series DC Motor given Speed equation looks like with Values.

Here is how the Magnetic Flux of Series DC Motor given Speed equation looks like with Units.

Here is how the Magnetic Flux of Series DC Motor given Speed equation looks like.

1.1801 = \frac{240 - 0.724 \cdot (80 + 1.58)}{1.135 \cdot 1290}

1.1801Wb = \frac{240V - 0.724A \cdot (80Ω + 1.58Ω)}{1.135 \cdot 1290rev/min}

1.1801 = \frac{240 - 0.724 \cdot (80 + 1.58)}{1.135 \cdot 1290}

Tip: Use pencil ( Pencil

) icon above to edit Input Values and Units.

Calculate

Recalculate

Solution

Copy

Reset

You are here -

Home » Category

Engineering » Category

Electrical » Category

Machine » fx Magnetic Flux of Series DC Motor given Speed

Magnetic Flux of Series DC Motor given Speed Solution

Follow our step by step solution on how to calculate Magnetic Flux of Series DC Motor given Speed?

FIRST Step Consider the formula

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

Next Step Substitute values of Variables

∴

Φ = \frac{240V - 0.724A \cdot (80Ω + 1.58Ω)}{1.135 \cdot 1290rev/min}

Next Step Convert Units

∴

Φ = \frac{240V - 0.724A \cdot (80Ω + 1.58Ω)}{1.135 \cdot 135.0885rad/s}

Next Step Prepare to Evaluate

∴

Φ = \frac{240 - 0.724 \cdot (80 + 1.58)}{1.135 \cdot 135.0885}

Next Step Evaluate

∴

Φ = 1.18007874263445Wb

LAST Step Rounding Answer

∴

Φ = 1.1801Wb

Magnetic Flux of Series DC Motor given Speed Formula Elements

Variables

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

Supply Voltage

Supply Voltage is the input voltage being fed to the dc motor circuit. It affects various motor parameters, such as speed, torque, and power consumption.

Symbol: V_s

Measurement: Electric PotentialUnit: V

Note: Value should be greater than 0.

Formulas to find Supply Voltage

Armature Current

The armature current plays a crucial role in determining the performance and operation of a DC motor. It affects the motor's torque production, speed, and efficiency.

Symbol: I_a

Measurement: Electric CurrentUnit: A

Note: Value can be positive or negative.

Formulas to find Armature Current

Armature Resistance

The Armature Resistance is the ohmic resistance of the copper winding wires plus the brush resistance in an electrical dc motor.

Symbol: R_a

Measurement: Electric ResistanceUnit: Ω

Note: Value should be greater than 0.

Formulas to find Armature Resistance

Series Field Resistance

The Series Field Resistance is resistance just like the field resistance but it is connected to a series with the armature of the dc generator.

Symbol: R_sf

Measurement: Electric ResistanceUnit: Ω

Note: Value should be greater than 0.

Formulas to find Series Field Resistance

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

Motor Speed

Motor speed refers to the rotational speed of a motor, indicating how fast the motor's shaft or rotor is rotating.

Symbol: N

Measurement: Angular VelocityUnit: rev/min

Note: Value can be positive or negative.

Formulas to find Motor Speed

Other formulas in Mechanical Specifications category

Go Machine Construction Constant of Series DC Motor using Speed

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

Go Machine Construction Constant of Series DC Motor using Armature Induced Voltage

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

How to Evaluate Magnetic Flux of Series DC Motor given Speed?

Magnetic Flux of Series DC Motor given Speed evaluator uses Magnetic Flux = (Supply Voltage-Armature Current*(Armature Resistance+Series Field Resistance))/(Constant of Machine Construction*Motor Speed) to evaluate the Magnetic Flux, The Magnetic Flux of Series DC Motor given Speed formula is defined as the number of magnetic field lines (also called "magnetic flux density") passing through a surface (such as a loop of wire). Magnetic Flux is denoted by Φ symbol.

How to evaluate Magnetic Flux of Series DC Motor given Speed using this online evaluator? To use this online evaluator for Magnetic Flux of Series DC Motor given Speed, enter Supply Voltage (V_s), Armature Current (I_a), Armature Resistance (R_a), Series Field Resistance (R_sf), Constant of Machine Construction (K_f) & Motor Speed (N) and hit the calculate button.

FAQs on Magnetic Flux of Series DC Motor given Speed

What is the formula to find Magnetic Flux of Series DC Motor given Speed?

The formula of Magnetic Flux of Series DC Motor given Speed is expressed as Magnetic Flux = (Supply Voltage-Armature Current*(Armature Resistance+Series Field Resistance))/(Constant of Machine Construction*Motor Speed). Here is an example- 1.175357 = (240-0.724*(80+1.58))/(1.135*135.088484097482).

How to calculate Magnetic Flux of Series DC Motor given Speed?

With Supply Voltage (V_s), Armature Current (I_a), Armature Resistance (R_a), Series Field Resistance (R_sf), Constant of Machine Construction (K_f) & Motor Speed (N) we can find Magnetic Flux of Series DC Motor given Speed using the formula - Magnetic Flux = (Supply Voltage-Armature Current*(Armature Resistance+Series Field Resistance))/(Constant of Machine Construction*Motor Speed).

Can the Magnetic Flux of Series DC Motor given Speed be negative?

No, the Magnetic Flux of Series DC Motor given Speed, measured in Magnetic Flux cannot be negative.

Which unit is used to measure Magnetic Flux of Series DC Motor given Speed?

Magnetic Flux of Series DC Motor given Speed is usually measured using the Weber[Wb] for Magnetic Flux. Milliweber[Wb], Microweber[Wb], Volt Second[Wb] are the few other units in which Magnetic Flux of Series DC Motor given Speed can be measured.

Let Others Know

✖

Facebook

Twitter

Copied!

: Value
: Unit

Magnetic Flux of Series DC Motor given Speed Formula

Magnetic Flux of Series DC Motor given Speed Example

Magnetic Flux of Series DC Motor given Speed Solution

Magnetic Flux of Series DC Motor given Speed Formula Elements

Other formulas in Mechanical Specifications category

How to Evaluate Magnetic Flux of Series DC Motor given Speed?

FAQs on Magnetic Flux of Series DC Motor given Speed

Variable Name