Cogging torque

Cogging torque of electrical motors is the due to the interaction between the permanent magnets of the rotor and the stator slots of a Permanent Magnet (PM) machine. ^[1]

6 relations: Counter-electromotive force, Electric motor, Magnet, Rotor (electric), Stator, Torque ripple.

Counter-electromotive force

Counter-electromotive force (abbreviated counter EMF or simply CEMF),Graf, "counterelectromotive force", Dictionary of Electronics also known as back electromotive force (or back EMF), is the electromotive force or "voltage" that opposes the change in current which induced it.

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Electric motor

An electric motor is an electrical machine that converts electrical energy into mechanical energy.

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Magnet

A magnet is a material or object that produces a magnetic field.

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Rotor (electric)

The rotor is a moving component of an electromagnetic system in the electric motor, electric generator, or alternator.

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Stator

The stator is the stationary part of a rotary system, found in electric generators, electric motors, sirens, mud motors or biological rotors.

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Torque ripple

Torque ripple is an effect seen in many electric motor designs, referring to a periodic increase or decrease in output torque as the motor shaft rotates.

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References

[1] https://en.wikipedia.org/wiki/Cogging_torque

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