this post was submitted on 03 May 2025
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Electric Vehicles
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Looks like an interesting motor type. I knew it existed, because I have built some axial generators, but I didn't know this motor type was hard to control.
If rare earths or magnets should become a problem which manufacturers have to deal with, there's two more options:
induction motors (downside: there is a "breakdown torque" above which the field will totally slip out of control instead of lagging and producing torque)
switched reluctance motors (downside: fancier motor controllers are needed)