Therearemanytypesofsingle-phasemotors,whichcanbedividedintotwocategoriesaccordingtodifferentstartingmethods.Oneisthecoveredpolemotor,whichcanbedividedintotwotypes:thesalientpolecoverpoleandthehiddenpolecoverpoleresistancephasesplittingtype;Theothertypeisthesplit-phasemotor,whichcanbedividedintocapacitivesplit-phaseandinductivesplit-phase.
Intheproductionprocessofsomeindustries,theproductneedstobewoundonthedrum,aproblemthatneedstobesolvedhereishowtomakeitsdiameterfromthebeginningtothegradualincreaseofthewholeprocess,keepthechangeoftensionandlinearspeedwithintheallowablerange?YLJseriestorquemotorshavesuchelectricalcharacteristics.
TorquemotorIthassoftmechanicalcharacteristicsandcanblockrotationforashorttime.Directdriveloadwithoutreducingtransmissiongear.Mainlyusedinwindingoperations,suchastextiles,plastics,wireandcable.ThischaracteristicismanifestedasTorquemotor负载增加时,会降低运转速度;反之负载减少时转速会升高。