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Average Back Emf with Negligible Commutation Overlap Formula

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Back Emf is calculated based on the difference between the supplied voltage and the loss from the current through the resistance. Check FAQs

E b = 1.35 \cdot E L \cdot \cos (θ)

E_b - Back Emf?E_L - AC Line Voltage?θ - Firing Angle?

Average Back Emf with Negligible Commutation Overlap Example

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Here is how the Average Back Emf with Negligible Commutation Overlap equation looks like with Values.

Here is how the Average Back Emf with Negligible Commutation Overlap equation looks like with Units.

Here is how the Average Back Emf with Negligible Commutation Overlap equation looks like.

145.6046 = 1.35 \cdot 120 \cdot \cos (26)

145.6046V = 1.35 \cdot 120V \cdot \cos (26°)

145.6046 = 1.35 \cdot 120 \cdot \cos (26)

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Average Back Emf with Negligible Commutation Overlap Solution

Follow our step by step solution on how to calculate Average Back Emf with Negligible Commutation Overlap?

FIRST Step Consider the formula

E b = 1.35 \cdot E L \cdot \cos (θ)

Next Step Substitute values of Variables

∴

E b = 1.35 \cdot 120V \cdot \cos (26°)

Next Step Convert Units

∴

E b = 1.35 \cdot 120V \cdot \cos (0.4538rad)

Next Step Prepare to Evaluate

∴

E b = 1.35 \cdot 120 \cdot \cos (0.4538)

Next Step Evaluate

∴

E b = 145.604635500471V

LAST Step Rounding Answer

∴

E b = 145.6046V

Average Back Emf with Negligible Commutation Overlap Formula Elements

Variables

Functions

Back Emf

Back Emf is calculated based on the difference between the supplied voltage and the loss from the current through the resistance.

Symbol: E_b

Measurement: Electric PotentialUnit: V

Note: Value can be positive or negative.

Formulas to find Back Emf

AC Line Voltage

Ac Line Voltage is the amount of voltage which a power line delivers to its destination or the point where it is being consumed.

Symbol: E_L

Measurement: Electric PotentialUnit: V

Note: Value should be greater than 0.

Formulas to find AC Line Voltage

Firing Angle

Firing angle α. It is defined as angle measured from the instant that gives. maximum output voltage to the one at which it is actually triggered.

Symbol: θ

Measurement: AngleUnit: °

Note: Value can be positive or negative.

Formulas to find Firing Angle

cos

Cosine of an angle is the ratio of the side adjacent to the angle to the hypotenuse of the triangle.

Syntax: cos(Angle)

Other formulas in Electric Traction Drives category

Go Torque of Squirrel Cage Induction Motor

τ = \frac{K \cdot E^{2} \cdot R r}{{(R s + R r)}^{2} + {(X s + X r)}^{2}}

Go DC Output Voltage of Rectifier in Scherbius Drive Given Maximum Rotor Voltage

E DC = 3 \cdot (\frac{E peak}{π})

Go DC Output Voltage of Rectifier in Scherbius Drive Given Rotor RMS Line Voltage

E DC = (3 \cdot \sqrt{2}) \cdot (\frac{E r}{π})

Go DC Output Voltage of Rectifier in Scherbius Drive Given Rotor RMS Line Voltage at Slip

E DC = 1.35 \cdot E rms

How to Evaluate Average Back Emf with Negligible Commutation Overlap?

Average Back Emf with Negligible Commutation Overlap evaluator uses Back Emf = 1.35*AC Line Voltage*cos(Firing Angle) to evaluate the Back Emf, Average Back Emf with Negligible Commutation Overlap refers to the mean voltage opposing current in a motor. Negligible commutation overlap ensures minimal current interruption during switching phases in the motor's operation. Back Emf is denoted by E_b symbol.

How to evaluate Average Back Emf with Negligible Commutation Overlap using this online evaluator? To use this online evaluator for Average Back Emf with Negligible Commutation Overlap, enter AC Line Voltage (E_L) & Firing Angle (θ) and hit the calculate button.

FAQs on Average Back Emf with Negligible Commutation Overlap

What is the formula to find Average Back Emf with Negligible Commutation Overlap?

The formula of Average Back Emf with Negligible Commutation Overlap is expressed as Back Emf = 1.35*AC Line Voltage*cos(Firing Angle). Here is an example- 145.6046 = 1.35*120*cos(0.45378560551844).

How to calculate Average Back Emf with Negligible Commutation Overlap?

With AC Line Voltage (E_L) & Firing Angle (θ) we can find Average Back Emf with Negligible Commutation Overlap using the formula - Back Emf = 1.35*AC Line Voltage*cos(Firing Angle). This formula also uses Cosine (cos) function(s).

Can the Average Back Emf with Negligible Commutation Overlap be negative?

Yes, the Average Back Emf with Negligible Commutation Overlap, measured in Electric Potential can be negative.

Which unit is used to measure Average Back Emf with Negligible Commutation Overlap?

Average Back Emf with Negligible Commutation Overlap is usually measured using the Volt[V] for Electric Potential. Millivolt[V], Microvolt[V], Nanovolt[V] are the few other units in which Average Back Emf with Negligible Commutation Overlap can be measured.

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