Armature Current of Series DC Motor using Voltage 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%
✖The Armature Voltage is described by making use of Faraday’s law of induction. Induced voltage of a closed circuit is described as rate of change of magnetic flux through that closed circuit.ⓘ Armature Voltage [V_a]			+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 using Voltage [I_a]

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Formula

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Armature Current of Series DC Motor using Voltage

Formula

`"I"_{"a"} = ("V"_{"s"}-"V"_{"a"})/("R"_{"a"}+"R"_{"sf"})`

Example

`"0.735474A"=("240V"-"180V")/("80Ω"+"1.58Ω")`

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Armature Current of Series DC Motor using Voltage Solution

STEP 0: Pre-Calculation Summary

Formula Used

Armature Current = (Supply Voltage-Armature Voltage)/(Armature Resistance+Series Field Resistance)
I_a = (V_s-V_a)/(R_a+R_sf)
This formula uses 5 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.
Armature Voltage - (Measured in Volt) - The Armature Voltage is described by making use of Faraday’s law of induction. Induced voltage of a closed circuit is described as rate of change of magnetic flux through that closed circuit.
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
Armature Voltage: 180 Volt --> 180 Volt No Conversion Required
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-V_a)/(R_a+R_sf) --> (240-180)/(80+1.58)

Evaluating ... ...

I_a = 0.735474380975729

STEP 3: Convert Result to Output's Unit

0.735474380975729 Ampere --> No Conversion Required

FINAL ANSWER

0.735474380975729 ≈ 0.735474 Ampere <-- Armature Current

(Calculation completed in 00.004 seconds)

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< 4 Current Calculators

Armature Current of Series DC Motor given Speed

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

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

Armature Current of Series DC Motor

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

Armature Current of Series DC Motor given Input Power

Go Armature Current = Input Power/Supply Voltage

Armature Current of Series DC Motor using Voltage Formula

Armature Current = (Supply Voltage-Armature Voltage)/(Armature Resistance+Series Field Resistance)
I_a = (V_s-V_a)/(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 using Voltage?

Armature Current of Series DC Motor using Voltage calculator uses Armature Current = (Supply Voltage-Armature Voltage)/(Armature Resistance+Series Field Resistance) to calculate the Armature Current, The Armature Current of Series DC Motor using Voltage is defined as the current that flows into the armature winding of the series DC motor. Armature Current is denoted by I_a symbol.

How to calculate Armature Current of Series DC Motor using Voltage using this online calculator? To use this online calculator for Armature Current of Series DC Motor using Voltage, enter Supply Voltage (V_s), Armature Voltage (V_a), Armature Resistance (R_a) & Series Field Resistance (R_sf) and hit the calculate button. Here is how the Armature Current of Series DC Motor using Voltage calculation can be explained with given input values -> 0.726568 = (240-180)/(80+1.58).

FAQ

What is Armature Current of Series DC Motor using Voltage?

The Armature Current of Series DC Motor using Voltage is defined as the current that flows into the armature winding of the series DC motor and is represented as I_a = (V_s-V_a)/(R_a+R_sf) or Armature Current = (Supply Voltage-Armature Voltage)/(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, The Armature Voltage is described by making use of Faraday’s law of induction. Induced voltage of a closed circuit is described as rate of change of magnetic flux through that closed circuit, 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 using Voltage?

The Armature Current of Series DC Motor using Voltage is defined as the current that flows into the armature winding of the series DC motor is calculated using Armature Current = (Supply Voltage-Armature Voltage)/(Armature Resistance+Series Field Resistance). To calculate Armature Current of Series DC Motor using Voltage, you need Supply Voltage (V_s), Armature Voltage (V_a), Armature Resistance (R_a) & Series Field Resistance (R_sf). With our tool, you need to enter the respective value for Supply Voltage, Armature Voltage, 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, Armature Voltage, 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-Magnetic Flux*Constant of Machine Construction*Motor Speed)/(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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