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How an Electric Car Motor Works

Model: (Various brands) Various
Part: Engine

Video tutorial

This video explains how the electric motor of a car works: it consists of two main parts: the stator, which is the fixed part that creates the magnetic field (using permanent magnets or electromagnets), and the rotor (the rotating part that is turned by the magnetic field and transfers motion to the wheels).

Permanent magnets use rare earth materials and are very efficient; reluctance/induction motors do not use permanent magnets (thus no rare earths) but are still very efficient due to re-engineered industrial technologies.

Electric motors have incredible efficiency: they can convert up to 99% of electrical energy into mechanical energy, with almost zero maintenance, as they have only one moving component (the rotor) supported by high-quality bearings: no oil changes, no belts, no spark plugs, no valves.

They are virtually maintenance-free for millions of miles.

In comparison, an internal combustion engine has 300 moving parts.


Posted on 20 February 2026 by ScegliAuto


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