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Average Field Voltage of Single Phase Semi-Converter Drives Formula

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Semi Drive Field Voltage is the average voltage developed at the field winding of the DC semi converter drive. Check FAQs

V f(semi) = (\frac{V m}{π}) \cdot (1 + \cos (α))

V_f(semi) - Semi Drive Field Voltage?V_m - Peak Input Voltage?α - Delay Angle of Thyristor?π - Archimedes' constant?

Average Field Voltage of Single Phase Semi-Converter Drives Example

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Here is how the Average Field Voltage of Single Phase Semi-Converter Drives equation looks like with Values.

Here is how the Average Field Voltage of Single Phase Semi-Converter Drives equation looks like with Units.

Here is how the Average Field Voltage of Single Phase Semi-Converter Drives equation looks like.

93.9792 = (\frac{220}{3.1416}) \cdot (1 + \cos (70))

93.9792V = (\frac{220V}{3.1416}) \cdot (1 + \cos (70°))

93.9792 = (\frac{220}{3.1416}) \cdot (1 + \cos (70))

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Average Field Voltage of Single Phase Semi-Converter Drives Solution

Follow our step by step solution on how to calculate Average Field Voltage of Single Phase Semi-Converter Drives?

FIRST Step Consider the formula

V f(semi) = (\frac{V m}{π}) \cdot (1 + \cos (α))

Next Step Substitute values of Variables

∴

V f(semi) = (\frac{220V}{π}) \cdot (1 + \cos (70°))

Next Step Substitute values of Constants

∴

V f(semi) = (\frac{220V}{3.1416}) \cdot (1 + \cos (70°))

Next Step Convert Units

∴

V f(semi) = (\frac{220V}{3.1416}) \cdot (1 + \cos (1.2217rad))

Next Step Prepare to Evaluate

∴

V f(semi) = (\frac{220}{3.1416}) \cdot (1 + \cos (1.2217))

Next Step Evaluate

∴

V f(semi) = 93.9792213972517V

LAST Step Rounding Answer

∴

V f(semi) = 93.9792V

Average Field Voltage of Single Phase Semi-Converter Drives Formula Elements

Variables

Constants

Functions

Semi Drive Field Voltage

Semi Drive Field Voltage is the average voltage developed at the field winding of the DC semi converter drive.

Symbol: V_f(semi)

Measurement: Electric PotentialUnit: V

Note: Value can be positive or negative.

Formulas to find Semi Drive Field Voltage

Peak Input Voltage

Peak input voltage is the peak value of the sinusoidal input voltage V_msin(wt) to the converter drive.

Symbol: V_m

Measurement: Electric PotentialUnit: V

Note: Value should be greater than 0.

Formulas to find Peak Input Voltage

Delay Angle of Thyristor

Delay Angle of Thyristor is the angle at which thyristors are triggered after zero crossing.

Symbol: α

Measurement: AngleUnit: °

Note: Value can be positive or negative.

Formulas to find Delay Angle of Thyristor

Archimedes' constant

Archimedes' constant is a mathematical constant that represents the ratio of the circumference of a circle to its diameter.

Symbol: π

Value: 3.14159265358979323846264338327950288

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 Single Phase Drives category

Go Average Armature Voltage of Single Phase Half-Wave Converter Drive

V a(half) = \frac{V m}{2 \cdot π} \cdot (1 + \cos (α))

Go Average Armature Voltage of Single Phase Full-Converter Drives

V a(full) = \frac{2 \cdot V m \cdot \cos (α)}{π}

Go RMS Value of Thyristor Current in Half Wave Converter Drives

I sr = I a \cdot {(\frac{π - α}{2 \cdot π})}^{\frac{1}{2}}

Go RMS Value of Freewheeling Diode Current in Half Wave Converter Drives

I fdr = I a \cdot \sqrt{\frac{π + α}{2 \cdot π}}

How to Evaluate Average Field Voltage of Single Phase Semi-Converter Drives?

Average Field Voltage of Single Phase Semi-Converter Drives evaluator uses Semi Drive Field Voltage = (Peak Input Voltage/pi)*(1+cos(Delay Angle of Thyristor)) to evaluate the Semi Drive Field Voltage, The Average Field Voltage of Single Phase Semi-Converter Drives formula is the average voltage developed at the field winding of the DC motor drive. In the above formula, we are considering the delay angle of the thyristor in the field winding (α_f) is considered. Semi Drive Field Voltage is denoted by V_f(semi) symbol.

How to evaluate Average Field Voltage of Single Phase Semi-Converter Drives using this online evaluator? To use this online evaluator for Average Field Voltage of Single Phase Semi-Converter Drives, enter Peak Input Voltage (V_m) & Delay Angle of Thyristor (α) and hit the calculate button.

FAQs on Average Field Voltage of Single Phase Semi-Converter Drives

What is the formula to find Average Field Voltage of Single Phase Semi-Converter Drives?

The formula of Average Field Voltage of Single Phase Semi-Converter Drives is expressed as Semi Drive Field Voltage = (Peak Input Voltage/pi)*(1+cos(Delay Angle of Thyristor)). Here is an example- 93.97922 = (220/pi)*(1+cos(1.2217304763958)).

How to calculate Average Field Voltage of Single Phase Semi-Converter Drives?

With Peak Input Voltage (V_m) & Delay Angle of Thyristor (α) we can find Average Field Voltage of Single Phase Semi-Converter Drives using the formula - Semi Drive Field Voltage = (Peak Input Voltage/pi)*(1+cos(Delay Angle of Thyristor)). This formula also uses Archimedes' constant and Cosine (cos) function(s).

Can the Average Field Voltage of Single Phase Semi-Converter Drives be negative?

Yes, the Average Field Voltage of Single Phase Semi-Converter Drives, measured in Electric Potential can be negative.

Which unit is used to measure Average Field Voltage of Single Phase Semi-Converter Drives?

Average Field Voltage of Single Phase Semi-Converter Drives is usually measured using the Volt[V] for Electric Potential. Millivolt[V], Microvolt[V], Nanovolt[V] are the few other units in which Average Field Voltage of Single Phase Semi-Converter Drives can be measured.

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