https://electrek.co/2018/02/27/tesla-model-3-motor-designer-permanent-magnet-motor/
> Tesla refers to it as ‘PMSRM’, which could mean ‘Permanent Magnet Switched Reluctance Motor’,
> a new type of motor with thin permanent magnets, but it’s unclear at this point:

永久磁石を使いつつもまだ詳細はよくわかっていないようだ。まあ効率は良いようなので問題はないだろう。