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EMF for DC Generator with Lap Winding Formula

GoBack EMF of DC Generator given Flux Formula

GoEMF for DC Generator for Wave Winding Formula

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EMF is defined as the electro motive force which is needed to move the electrons within an electrical conductor to generate flow of current through the conductor. Check FAQs

E = \frac{N r \cdot Φ p \cdot Z}{60}

E - EMF?N_r - Rotor Speed?Φ_p - Flux per Pole?Z - Number of Conductor?

EMF for DC Generator with Lap Winding Example

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Here is how the EMF for DC Generator with Lap Winding equation looks like with Values.

Here is how the EMF for DC Generator with Lap Winding equation looks like with Units.

Here is how the EMF for DC Generator with Lap Winding equation looks like.

14.4 = \frac{1200 \cdot 0.06 \cdot 12}{60}

14.4V = \frac{1200rev/min \cdot 0.06Wb \cdot 12}{60}

14.4 = \frac{1200 \cdot 0.06 \cdot 12}{60}

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EMF for DC Generator with Lap Winding Solution

Follow our step by step solution on how to calculate EMF for DC Generator with Lap Winding?

FIRST Step Consider the formula

E = \frac{N r \cdot Φ p \cdot Z}{60}

Next Step Substitute values of Variables

∴

E = \frac{1200rev/min \cdot 0.06Wb \cdot 12}{60}

Next Step Prepare to Evaluate

∴

E = \frac{1200 \cdot 0.06 \cdot 12}{60}

LAST Step Evaluate

∴

E = 14.4V

EMF for DC Generator with Lap Winding Formula Elements

Variables

EMF

EMF is defined as the electro motive force which is needed to move the electrons within an electrical conductor to generate flow of current through the conductor.

Symbol: E

Measurement: Electric PotentialUnit: V

Note: Value can be positive or negative.

Formulas to find EMF

Rotor Speed

Rotor speed refers to the speed of rotation of the armature. The armature is the part of the generator where electrical energy is produced by electromagnetic induction.

Symbol: N_r

Measurement: Angular VelocityUnit: rev/min

Note: Value can be positive or negative.

Formulas to find Rotor Speed

Flux per Pole

Flux per Pole refers to the amount of magnetic flux produced by each individual pole of the generator field winding. It is an important parameter and affects the output voltage.

Symbol: Φ_p

Measurement: Magnetic FluxUnit: Wb

Note: Value should be greater than 0.

Formulas to find Flux per Pole

Number of Conductor

Number of Conductor refers to the total count of conductors present in the armature of a dc generator.

Symbol: Z

Measurement: NAUnit: Unitless

Note: Value should be greater than 0.

Formulas to find Number of Conductor

Other Formulas to find EMF

Go Back EMF of DC Generator given Flux

E = K e \cdot ω s \cdot Φ p

Go EMF for DC Generator for Wave Winding

E = \frac{P \cdot N r \cdot Φ p \cdot Z}{120}

Other formulas in DC Generator Characteristics category

Go Converted Power in DC Generator

P conv = V o \cdot I L

Go Field Copper Loss in DC Generator

P cu = {I f}^{2} \cdot R f

Go Output Voltage in DC Generator using Converted Power

V o = \frac{P conv}{I L}

Go Armature Resistance of DC Generator using Output Voltage

R a = \frac{V a - V o}{I a}

How to Evaluate EMF for DC Generator with Lap Winding?

EMF for DC Generator with Lap Winding evaluator uses EMF = (Rotor Speed*Flux per Pole*Number of Conductor)/60 to evaluate the EMF, EMF for DC Generator with Lap Winding is defined as the emf generated in a dc generator which has lap wounded rotor. EMF is denoted by E symbol.

How to evaluate EMF for DC Generator with Lap Winding using this online evaluator? To use this online evaluator for EMF for DC Generator with Lap Winding, enter Rotor Speed (N_r), Flux per Pole (Φ_p) & Number of Conductor (Z) and hit the calculate button.

FAQs on EMF for DC Generator with Lap Winding

What is the formula to find EMF for DC Generator with Lap Winding?

The formula of EMF for DC Generator with Lap Winding is expressed as EMF = (Rotor Speed*Flux per Pole*Number of Conductor)/60. Here is an example- 14.4 = (125.663706137193*0.06*12)/60.

How to calculate EMF for DC Generator with Lap Winding?

With Rotor Speed (N_r), Flux per Pole (Φ_p) & Number of Conductor (Z) we can find EMF for DC Generator with Lap Winding using the formula - EMF = (Rotor Speed*Flux per Pole*Number of Conductor)/60.

What are the other ways to Calculate EMF?

Here are the different ways to Calculate EMF-

EMF=Back EMF Constant*Angular Speed*Flux per Pole
EMF=(Number of Poles*Rotor Speed*Flux per Pole*Number of Conductor)/120

Can the EMF for DC Generator with Lap Winding be negative?

Yes, the EMF for DC Generator with Lap Winding, measured in Electric Potential can be negative.

Which unit is used to measure EMF for DC Generator with Lap Winding?

EMF for DC Generator with Lap Winding is usually measured using the Volt[V] for Electric Potential. Millivolt[V], Microvolt[V], Nanovolt[V] are the few other units in which EMF for DC Generator with Lap Winding can be measured.

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