Ma mota a AC ndi DC ndi mitundu iwiri yodziwika bwino yamagalimoto yomwe imagwiritsidwa ntchito m'njira zosiyanasiyana. Kumvetsetsa kusiyana pakati pa mitundu iwiriyi ya ma mota ndikofunikira kuti musankhe mota yoyenera kuti mugwiritse ntchito.
Miyezo ya magawo atatu asynchronous motor yowunikira mphamvu yamagetsi imakhala ndi gawo lofunikira polimbikitsa kugwiritsa ntchito mphamvu mosasunthika ndikuchepetsa kuwononga chilengedwe.