Armature Current of Series DC Motor given Speed Calculator

✖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.ⓘ Supply Voltage [V_s]			+10% -10%
✖Magnetic flux (Φ) is the number of magnetic field lines passing through the magnetic core of an electrical dc motor.ⓘ Magnetic Flux [Φ]			+10% -10%
✖Constant of Machine construction is a constant term which is calculated separately to a make calculation less complex.ⓘ Constant of Machine Construction [K_f]			+10% -10%
✖Motor speed refers to the rotational speed of a motor, indicating how fast the motor's shaft or rotor is rotating.ⓘ Motor Speed [N]			+10% -10%
✖The Armature Resistance is the ohmic resistance of the copper winding wires plus the brush resistance in an electrical dc motor.ⓘ Armature Resistance [R_a]			+10% -10%
✖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.ⓘ Series Field Resistance [R_sf]			+10% -10%

✖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.ⓘ Armature Current of Series DC Motor given Speed [I_a]

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Armature Current of Series DC Motor given Speed Solution

STEP 0: Pre-Calculation Summary

Formula Used

Armature Current = (Supply Voltage-Magnetic Flux*Constant of Machine Construction*Motor Speed)/(Armature Resistance+Series Field Resistance)
I_a = (V_s-Φ*K_f*N)/(R_a+R_sf)
This formula uses 7 Variables

Variables Used

Armature Current - (Measured in Ampere) - 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.
Supply Voltage - (Measured in Volt) - 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.
Magnetic Flux - (Measured in Weber) - Magnetic flux (Φ) is the number of magnetic field lines passing through the magnetic core of an electrical dc motor.
Constant of Machine Construction - Constant of Machine construction is a constant term which is calculated separately to a make calculation less complex.
Motor Speed - (Measured in Radian per Second) - Motor speed refers to the rotational speed of a motor, indicating how fast the motor's shaft or rotor is rotating.
Armature Resistance - (Measured in Ohm) - The Armature Resistance is the ohmic resistance of the copper winding wires plus the brush resistance in an electrical dc motor.
Series Field Resistance - (Measured in Ohm) - 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.

STEP 1: Convert Input(s) to Base Unit

Supply Voltage: 240 Volt --> 240 Volt No Conversion Required
Magnetic Flux: 1.187 Weber --> 1.187 Weber No Conversion Required
Constant of Machine Construction: 1.135 --> No Conversion Required
Motor Speed: 1290 Revolution per Minute --> 135.088484097482 Radian per Second (Check conversion here)
Armature Resistance: 80 Ohm --> 80 Ohm No Conversion Required
Series Field Resistance: 1.58 Ohm --> 1.58 Ohm No Conversion Required

STEP 2: Evaluate Formula

Substituting Input Values in Formula

I_a = (V_s-Φ*K_f*N)/(R_a+R_sf) --> (240-1.187*1.135*135.088484097482)/(80+1.58)

Evaluating ... ...

I_a = 0.710991851459768

STEP 3: Convert Result to Output's Unit

0.710991851459768 Ampere --> No Conversion Required

FINAL ANSWER

0.710991851459768 ≈ 0.710992 Ampere <-- Armature Current

(Calculation completed in 00.004 seconds)

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Armature Current of Series DC Motor given Speed

LaTeX Go Armature Current = (Supply Voltage-Magnetic Flux*Constant of Machine Construction*Motor Speed)/(Armature Resistance+Series Field Resistance)

Armature Current of Series DC Motor using Voltage

LaTeX Go Armature Current = (Supply Voltage-Armature Voltage)/(Armature Resistance+Series Field Resistance)

Armature Current of Series DC Motor

LaTeX Go Armature Current = sqrt(Torque/(Constant of Machine Construction*Magnetic Flux))

Armature Current of Series DC Motor given Input Power

LaTeX Go Armature Current = Input Power/Supply Voltage

Armature Current of Series DC Motor given Speed Formula

LaTeX Go

Armature Current = (Supply Voltage-Magnetic Flux*Constant of Machine Construction*Motor Speed)/(Armature Resistance+Series Field Resistance)
I_a = (V_s-Φ*K_f*N)/(R_a+R_sf)

What is the effect of armature current in DC motor?

The current flowing through the armature conductors creates a magnetic field, which is called as armature flux. This armature flux distorts and weakens the magnetic flux produced by the main poles. This effect of armature flux on the main flux is known as armature reaction.

How to Calculate Armature Current of Series DC Motor given Speed?

Armature Current of Series DC Motor given Speed calculator uses Armature Current = (Supply Voltage-Magnetic Flux*Constant of Machine Construction*Motor Speed)/(Armature Resistance+Series Field Resistance) to calculate the Armature Current, The Armature Current of Series DC Motor given Speed formula is defined as the current that flows into the armature winding of the DC series motor. Armature Current is denoted by I_a symbol.

How to calculate Armature Current of Series DC Motor given Speed using this online calculator? To use this online calculator for Armature Current of Series DC Motor given Speed, enter Supply Voltage (V_s), Magnetic Flux (Φ), Constant of Machine Construction (K_f), Motor Speed (N), Armature Resistance (R_a) & Series Field Resistance (R_sf) and hit the calculate button. Here is how the Armature Current of Series DC Motor given Speed calculation can be explained with given input values -> 0.710992 = (240-1.187*1.135*135.088484097482)/(80+1.58).

FAQ

What is Armature Current of Series DC Motor given Speed?

The Armature Current of Series DC Motor given Speed formula is defined as the current that flows into the armature winding of the DC series motor and is represented as I_a = (V_s-Φ*K_f*N)/(R_a+R_sf) or Armature Current = (Supply Voltage-Magnetic Flux*Constant of Machine Construction*Motor Speed)/(Armature Resistance+Series Field Resistance). 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, Magnetic flux (Φ) is the number of magnetic field lines passing through the magnetic core of an electrical dc motor, Constant of Machine construction is a constant term which is calculated separately to a make calculation less complex, Motor speed refers to the rotational speed of a motor, indicating how fast the motor's shaft or rotor is rotating, The Armature Resistance is the ohmic resistance of the copper winding wires plus the brush resistance in an electrical dc motor & 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.

How to calculate Armature Current of Series DC Motor given Speed?

The Armature Current of Series DC Motor given Speed formula is defined as the current that flows into the armature winding of the DC series motor is calculated using Armature Current = (Supply Voltage-Magnetic Flux*Constant of Machine Construction*Motor Speed)/(Armature Resistance+Series Field Resistance). To calculate Armature Current of Series DC Motor given Speed, you need Supply Voltage (V_s), Magnetic Flux (Φ), Constant of Machine Construction (K_f), Motor Speed (N), Armature Resistance (R_a) & Series Field Resistance (R_sf). With our tool, you need to enter the respective value for Supply Voltage, Magnetic Flux, Constant of Machine Construction, Motor Speed, Armature Resistance & Series Field Resistance and hit the calculate button. You can also select the units (if any) for Input(s) and the Output as well.

How many ways are there to calculate Armature Current?

In this formula, Armature Current uses Supply Voltage, Magnetic Flux, Constant of Machine Construction, Motor Speed, Armature Resistance & Series Field Resistance. We can use 3 other way(s) to calculate the same, which is/are as follows -

Armature Current = (Supply Voltage-Armature Voltage)/(Armature Resistance+Series Field Resistance)
Armature Current = Input Power/Supply Voltage
Armature Current = sqrt(Torque/(Constant of Machine Construction*Magnetic Flux))

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