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Tesla Model 3's motor - The Brilliant Engineering behind it

Sabin Civil Engineering · 8M views · 2020-12-18 · 12:08

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Overview

An engineering explainer on why Tesla abandoned the induction motor for the Model 3 and used an IPM-SynRM design. It covers the reluctance torque and permanent magnet principles behind the choice.

On Hacker News

HN recommends it as a clear explanation of the Model 3 motor and reluctance rotor design.

Recommended by 2 HN people across 2 months · HN mentions 2020–2022

Topics

Cars, EVs & motorcyclesMechanical & precision engineering
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tesla model 3reluctance motorpermanent magnetev motors

What people said

londons_explore · 2022-08 · Recommendation

A tesla Model 3 motor already is partially a reluctance motor. This youtube video describes it rather well, and I'd recommend giving it a watch [1]. Notice the air gaps - thats the reluctance part of the rotor. [1]: [VIDEO]

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sorenjan · 2020-12 · Recommendation

Youtube has recommended a few videos from the channel Learn Engineering that have been surprisingly good. For example: [VIDEO]

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ilyt · 2022-11 · Reference

> What sort of motor do you think a Tesla model 3 uses, for example? IPM-SynRM [VIDEO] They went into a lot of effort to optimize it over RPM range. If you want to make a point use real motor curves at least. Your graph suggests it goes to sub 20% efficiencies at low speed which is completely false and would suggests way higher gains from gearbox than in reality. Hell, it would suggest ICE like performance, it's THAT bad.

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Sources

Video by Sabin Civil Engineering, played through YouTube.

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