this post was submitted on 02 May 2024
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The worse part is that it's completely possible for tesla to get rid of the brakes and rely solely on the motors for stopping, at least on the vehicles with AC motors. It would be a really stupid idea since braking effort is directly tied to the shaft speed meaning you get less brakes the slower you are moving and you wouldn't be able to brake while fully charged but hey it's still possible.
Depending on how a motor is designed, you can definitelly break using power by changing the cycle or reversing the direction of the current.
Though if I remember it correctly, it's not great for an electric motor to do it.
It's only bad for DC motors to use dynamic brakes (proper name) and even then it's only bad for them when coming to a complete stop. Using DC motors to slow down is perfect fine. AC motors don't suffer the same issues and can utilize dynamic brakes at any speed including to a complete stop