Armature Current in DC Motor Formulas

Armature Current DC motor is defined as the armature current developed in an electrical dc motor due to the rotation of rotor. And is denoted by I_a. Armature Current is usually measured using the Ampere for Electric Current. Note that the value of Armature Current is always negative.

Formulas to find Armature Current in DC Motor

fxArmature Current given Electrical Efficiency of DC MotorGo

fxArmature Current of DC MotorGo

DC Motor formulas that make use of Armature Current

fxMachine Construction Constant of DC MotorGo

fxSupply Voltage given Electrical Efficiency of DC MotorGo

fxArmature Torque given Electrical Efficiency of DC MotorGo

fxAngular Speed given Electrical Efficiency of DC MotorGo

fxElectrical Efficiency of DC MotorGo

fxMagnetic Flux of DC MotorGo

fxMotor Speed of DC Motor given FluxGo

fxMechanical Power Developed in DC Motor given Input PowerGo

fxMotor Torque of Series DC Motor given Machine ConstantGo

List of variables in DC Motor formulas

fx Angular Speed Go

fx Armature Torque Go

fx Supply Voltage Go

fx Electrical Efficiency Go

fx Armature Voltage Go

fx Constant of Machine Construction Go

fx Magnetic Flux Go

FAQ

What is the Armature Current?

Armature Current DC motor is defined as the armature current developed in an electrical dc motor due to the rotation of rotor. Armature Current is usually measured using the Ampere for Electric Current. Note that the value of Armature Current is always negative.

Can the Armature Current be negative?

Yes, the Armature Current, measured in Electric Current can be negative.

What unit is used to measure Armature Current?

Armature Current is usually measured using the Ampere[A] for Electric Current. Milliampere[A], Microampere[A], Centiampere[A] are the few other units in which Armature Current can be measured.

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