Discovering Mechanics: Louis Renault e-book (RENAULT) | Page 151

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Electric cars from the end of the 19th century had
direct current motors with permanent magnets
and brushes that did not last long.
These problems do not have three-phase
alternating current motors, and thanks to inverters,
they can be powered by batteries, with the
frequency being switched, which determines the
speed of the motor rotation.
The most common are synchronous motors with
permanent brushless magnets, while Tesla applies
asynchronously.