Armature Induced Voltage of DC Machine given Kf Calculator

✖Machine Constant refers to the parameter which usually has a constant value for a particular type of dc machine.ⓘ Machine Constant [K_f]			+10% -10%
✖Armature Current is defined as the current developed in the armature of an electrical DC generator due to movement of rotor.ⓘ Armature Current [I_a]			+10% -10%
✖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.ⓘ Magnetic Flux [Φ]			+10% -10%
✖Angular speed is the rate of rotation about an axis, measuring how the angle changes with time. It is measured in radian/sec.ⓘ Angular Speed [ω_s]			+10% -10%

✖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.ⓘ Armature Induced Voltage of DC Machine given Kf [V_a]

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Formula

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Armature Induced Voltage of DC Machine given Kf

Formula

`"V"_{"a"} = "K"_{"f"}*"I"_{"a"}*"Φ"*"ω"_{"s"}`

Example

`"199.9573V"="2.864"*"0.75A"*"0.29Wb"*"321rad/s"`

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Armature Induced Voltage of DC Machine given Kf Solution

STEP 0: Pre-Calculation Summary

Formula Used

Armature Voltage = Machine Constant*Armature Current*Magnetic Flux*Angular Speed
V_a = K_f*I_a*Φ*ω_s
This formula uses 5 Variables

Variables Used

Armature Voltage - (Measured in Volt) - 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.
Machine Constant - Machine Constant refers to the parameter which usually has a constant value for a particular type of dc machine.
Armature Current - (Measured in Ampere) - Armature Current is defined as the current developed in the armature of an electrical DC generator due to movement of rotor.
Magnetic Flux - (Measured in Weber) - 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.
Angular Speed - (Measured in Radian per Second) - Angular speed is the rate of rotation about an axis, measuring how the angle changes with time. It is measured in radian/sec.

STEP 1: Convert Input(s) to Base Unit

Machine Constant: 2.864 --> No Conversion Required
Armature Current: 0.75 Ampere --> 0.75 Ampere No Conversion Required
Magnetic Flux: 0.29 Weber --> 0.29 Weber No Conversion Required
Angular Speed: 321 Radian per Second --> 321 Radian per Second No Conversion Required

STEP 2: Evaluate Formula

Substituting Input Values in Formula

V_a = K_f*I_a*Φ*ω_s --> 2.864*0.75*0.29*321

Evaluating ... ...

V_a = 199.95732

STEP 3: Convert Result to Output's Unit

199.95732 Volt --> No Conversion Required

FINAL ANSWER

199.95732 ≈ 199.9573 Volt <-- Armature Voltage

(Calculation completed in 00.020 seconds)

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< 16 DC Machine Characterstics Calculators

Mechanical Efficiency given Induced Voltage and Armature Current

Go Mechanical Efficiency = (Electrical Efficiency*Output Voltage*Armature Current)/(Angular Speed*Torque)

Electrical Efficiency of DC Machine

Go Electrical Efficiency = (Mechanical Efficiency*Angular Speed*Torque)/(Output Voltage*Armature Current)

Design Constant of DC Machine

Go Machine Constant = (Number of Conductors*Number of Poles)/(2*pi*Number of Parallel Paths)

Angular Speed of DC Machine using Kf

Go Angular Speed = Armature Voltage/(Machine Constant*Magnetic Flux*Armature Current)

Armature Induced Voltage of DC Machine given Kf

Go Armature Voltage = Machine Constant*Armature Current*Magnetic Flux*Angular Speed

Back EMF of DC Generator

Go Back EMF = Output Voltage-(Armature Current*Armature Resistance)

Magnetic Flux of DC Machine given Torque

Go Magnetic Flux = Torque/(Machine Constant*Armature Current)

EMF Generated in DC Machine with Lap Winding

Go EMF = (Rotor Speed*Number of Conductors*Flux per Pole)/60

Torque generated in DC Machine

Go Torque = Machine Constant*Magnetic Flux*Armature Current

Coil Span of DC Motor

Go Coil Span Factor = Number of Commutator Segments/Number of Poles

Front Pitch for DC Machine

Go Front Pitch = ((2*Number of Slots)/Number of Poles)-1

Back Pitch for DC Machine

Go Back Pitch = ((2*Number of Slots)/Number of Poles)+1

Input Power of DC Motor

Go Input Power = Supply Voltage*Armature Current

Pole Pitch in DC Generator

Go Pole Pitch = Number of Slots/Number of Poles

Back Pitch for DC Machine given Coil Span

Go Back Pitch = Coil Span*Coil Span Factor

Output Power of DC Machine

Go Output Power = Angular Speed*Torque

Armature Induced Voltage of DC Machine given Kf Formula

Armature Voltage = Machine Constant*Armature Current*Magnetic Flux*Angular Speed
V_a = K_f*I_a*Φ*ω_s

What is the difference between field control and armature voltage control?

Armature control is a closed loop system, while field control is an open loop system. Closed loop systems are often the preferred choice for operators and business leaders who are looking for stability and the convenience of an automated process.

How to Calculate Armature Induced Voltage of DC Machine given Kf?

Armature Induced Voltage of DC Machine given Kf calculator uses Armature Voltage = Machine Constant*Armature Current*Magnetic Flux*Angular Speed to calculate the Armature Voltage, The Armature Induced Voltage of DC Machine given Kf formula is defined as the induced voltage at the armature winding of the DC Machine. Armature Voltage is denoted by V_a symbol.

How to calculate Armature Induced Voltage of DC Machine given Kf using this online calculator? To use this online calculator for Armature Induced Voltage of DC Machine given Kf, enter Machine Constant (K_f), Armature Current (I_a), Magnetic Flux (Φ) & Angular Speed (ω_s) and hit the calculate button. Here is how the Armature Induced Voltage of DC Machine given Kf calculation can be explained with given input values -> 199.9573 = 2.864*0.75*0.29*321.

FAQ

What is Armature Induced Voltage of DC Machine given Kf?

The Armature Induced Voltage of DC Machine given Kf formula is defined as the induced voltage at the armature winding of the DC Machine and is represented as V_a = K_f*I_a*Φ*ω_s or Armature Voltage = Machine Constant*Armature Current*Magnetic Flux*Angular Speed. Machine Constant refers to the parameter which usually has a constant value for a particular type of dc machine, Armature Current is defined as the current developed in the armature of an electrical DC generator due to movement of rotor, 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 & Angular speed is the rate of rotation about an axis, measuring how the angle changes with time. It is measured in radian/sec.

How to calculate Armature Induced Voltage of DC Machine given Kf?

The Armature Induced Voltage of DC Machine given Kf formula is defined as the induced voltage at the armature winding of the DC Machine is calculated using Armature Voltage = Machine Constant*Armature Current*Magnetic Flux*Angular Speed. To calculate Armature Induced Voltage of DC Machine given Kf, you need Machine Constant (K_f), Armature Current (I_a), Magnetic Flux (Φ) & Angular Speed (ω_s). With our tool, you need to enter the respective value for Machine Constant, Armature Current, Magnetic Flux & Angular Speed and hit the calculate button. You can also select the units (if any) for Input(s) and the Output as well.

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