21Inthe21stcentury,frequencyconversionspeedregulationhasbecomethemainstreamspeedregulationscheme,whichcanbewidelyusedinallwalksoflifesteplesstransmission.Especiallywiththeincreasinglyextensiveapplicationoffrequencyconverterinthefieldofindustrialcontrol,theuseoffrequencyconversionmotorisbecomingmoreandmorewidespread,itcanbesaidthatbecauseoftheadvantagesoffrequencyconversionmotorinfrequencyconversioncontrolthanordinarymotors,whereweusefrequencyconversionmotorisnotdifficulttoseethefigureoffrequencyconversionmotor.Sowhatarethehighlightsofthefrequencyconversionseriesmotorindesign......