Load Current in Induction Motor Calculator

✖Armature Current Motor is defined as the armature current developed in an electrical motor due to the rotation of rotor.ⓘ Armature Current [I_a]			+10% -10%
✖The Field current is the current flowing through the windings in the non-moving part of the motor.ⓘ Field Current [I_f]			+10% -10%

✖The Load Current is the current that the appliance is drawing at that instant.ⓘ Load Current in Induction Motor [I_L]

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Formula

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Load Current in Induction Motor

Formula

`"I"_{"L"} = "I"_{"a"}-"I"_{"f"}`

Example

`"2.95A"="3.7A"-"0.75A"`

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Load Current in Induction Motor Solution

STEP 0: Pre-Calculation Summary

Formula Used

Load Current = Armature Current-Field Current
I_L = I_a-I_f
This formula uses 3 Variables

Variables Used

Load Current - (Measured in Ampere) - The Load Current is the current that the appliance is drawing at that instant.
Armature Current - (Measured in Ampere) - Armature Current Motor is defined as the armature current developed in an electrical motor due to the rotation of rotor.
Field Current - (Measured in Ampere) - The Field current is the current flowing through the windings in the non-moving part of the motor.

STEP 1: Convert Input(s) to Base Unit

Armature Current: 3.7 Ampere --> 3.7 Ampere No Conversion Required
Field Current: 0.75 Ampere --> 0.75 Ampere No Conversion Required

STEP 2: Evaluate Formula

Substituting Input Values in Formula

I_L = I_a-I_f --> 3.7-0.75

Evaluating ... ...

I_L = 2.95

STEP 3: Convert Result to Output's Unit

2.95 Ampere --> No Conversion Required

FINAL ANSWER

2.95 Ampere <-- Load Current

(Calculation completed in 00.004 seconds)

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Credits

Created by Urvi Rathod

Vishwakarma Government Engineering College (VGEC), Ahmedabad

Urvi Rathod has created this Calculator and 1500+ more calculators!

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< 5 Current Calculators

Rotor Current in Induction Motor given Stator Voltage

Go Rotor Current = (Slip*Turn Ratio*Stator Voltage)/sqrt(Rotor Resistance per Phase^2+(Slip*Rotor Reactance per Phase)^2)

Rotor Current in Induction Motor

Go Rotor Current = (Slip*Induced EMF)/sqrt(Rotor Resistance per Phase^2+(Slip*Rotor Reactance per Phase)^2)

Armature Current given Power in Induction Motor

Go Armature Current = Output Power/Armature Voltage

Field Current using Load Current in Induction Motor

Go Field Current = Armature Current-Load Current

Load Current in Induction Motor

Go Load Current = Armature Current-Field Current

< 25 Induction Motor Circuit Calculators

Torque of Induction Motor under Running Condition

Go Torque = (3*Slip*EMF^2*Resistance)/(2*pi*Synchronous Speed*(Resistance^2+(Reactance^2*Slip)))

Rotor Current in Induction Motor

Go Rotor Current = (Slip*Induced EMF)/sqrt(Rotor Resistance per Phase^2+(Slip*Rotor Reactance per Phase)^2)

Starting Torque of Induction Motor

Go Torque = (3*EMF^2*Resistance)/(2*pi*Synchronous Speed*(Resistance^2+Reactance^2))

Maximum Running Torque

Go Running Torque = (3*EMF^2)/(4*pi*Synchronous Speed*Reactance)

Linear Synchronous Speed

Go Linear Synchronous Speed = 2*Pole Pitch Width*Line Frequency

Stator Copper Loss in Induction Motor

Go Stator Copper Loss = 3*Stator Current^2*Stator Resistance

Rotor Copper Loss in Induction Motor

Go Rotor Copper Loss = 3*Rotor Current^2*Rotor Resistance

Synchronous Speed in Induction Motor

Go Synchronous Speed = (120*Frequency)/(Number of Poles)

Frequency given Number of Poles in Induction Motor

Go Frequency = (Number of Poles*Synchronous Speed)/120

Armature Current given Power in Induction Motor

Go Armature Current = Output Power/Armature Voltage

Synchronous Speed of Induction Motor given Efficiency

Go Synchronous Speed = (Motor Speed)/(Efficiency)

Rotor Efficiency in Induction Motor

Go Efficiency = (Motor Speed)/(Synchronous Speed)

Field Current using Load Current in Induction Motor

Go Field Current = Armature Current-Load Current

Rotor Input Power in Induction Motor

Go Rotor Input Power = Input Power-Stator Losses

Load Current in Induction Motor

Go Load Current = Armature Current-Field Current

Force by Linear Induction Motor

Go Force = Input Power/Linear Synchronous Speed

Motor Speed given Efficiency in Induction Motor

Go Motor Speed = Efficiency*Synchronous Speed

Rotor Copper Loss given Input Rotor Power

Go Rotor Copper Loss = Slip*Rotor Input Power

Pitch Factor in Induction Motor

Go Pitch Factor = cos(Short Pitched Angle/2)

Gross Mechanical Power in Induction Motor

Go Mechanical Power = (1-Slip)*Input Power

Rotor Frequency given Supply Frequency

Go Rotor Frequency = Slip*Frequency

Resistance given Slip at Maximum Torque

Go Resistance = Slip*Reactance

Reactance given Slip at Maximum Torque

Go Reactance = Resistance/Slip

Breakdown Slip of Induction Motor

Go Slip = Resistance/Reactance

Slip given Efficiency in Induction Motor

Go Slip = 1-Efficiency

Load Current in Induction Motor Formula

Load Current = Armature Current-Field Current
I_L = I_a-I_f

What is the main difference between the field current and armature current?

Field Current - Current flows in Field Winding or stationary winding of motor or generator is called field current.
Armature Current - Current flows in Armature Winding or rotating winding of motor or generator is called armature current.

How to Calculate Load Current in Induction Motor?

Load Current in Induction Motor calculator uses Load Current = Armature Current-Field Current to calculate the Load Current, The Load Current in Induction Motor is the current that the appliance is drawing at that instant. It should always be lower than the rated current of that item. Rated current is the maximum current an appliance should ever draw, or if it's a source like an outlet or a generator, then it's the maximum you should ever draw through it. Load Current is denoted by I_L symbol.

How to calculate Load Current in Induction Motor using this online calculator? To use this online calculator for Load Current in Induction Motor, enter Armature Current (I_a) & Field Current (I_f) and hit the calculate button. Here is how the Load Current in Induction Motor calculation can be explained with given input values -> 2.95 = 3.7-0.75.

FAQ

What is Load Current in Induction Motor?

The Load Current in Induction Motor is the current that the appliance is drawing at that instant. It should always be lower than the rated current of that item. Rated current is the maximum current an appliance should ever draw, or if it's a source like an outlet or a generator, then it's the maximum you should ever draw through it and is represented as I_L = I_a-I_f or Load Current = Armature Current-Field Current. Armature Current Motor is defined as the armature current developed in an electrical motor due to the rotation of rotor & The Field current is the current flowing through the windings in the non-moving part of the motor.

How to calculate Load Current in Induction Motor?

The Load Current in Induction Motor is the current that the appliance is drawing at that instant. It should always be lower than the rated current of that item. Rated current is the maximum current an appliance should ever draw, or if it's a source like an outlet or a generator, then it's the maximum you should ever draw through it is calculated using Load Current = Armature Current-Field Current. To calculate Load Current in Induction Motor, you need Armature Current (I_a) & Field Current (I_f). With our tool, you need to enter the respective value for Armature Current & Field Current 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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