MorimachineYSSeriesthreephaseasynchronousmotorproductscovered10W-2200WThepowerof.CaseprotectionclassIP44,coolingmodeisIC0141andIC0041.
Howtoseeifthemotorisefficient?Itmainlydependsonwhetheritsefficiencycanmeetthecorrespondingnationalstandardsunderfullloadconditions.Thefactorsthataffecttheefficiencyofthree-phaseasynchronousmotorsaremainlydividedintofiveaspects,thatis,thefivemajorlossesofthemotorareoftensaid:statorloss,rotorloss,ironloss,windfrictionlossandstrayloss.
Whenwetesttheinsulationbetweenturnsofthree-phaseasynchronousmotorproducts,weshouldpayattentiontothetestintheno-loadstate,andthefollowingisasimpleunderstandingofthemethodofinsulationtestbetweenturnswithSenliMotorXiaobian.
Therearemanyformsofmotorprotectionmeasures,differentprotectionmeasurescorrespondingtodifferentuses,tothecommonoverloadprotection,forexample,inthethree-phaseasynchronousmotorauxiliaryfailure,ifthelong-termover-fixedcurrentoperation,itwillleadtooverheating,insulationreductionwillleadtoburn.HereisasimpleunderstandingwithSenliMotorXiaobian.
Inthefirstpart,weunderstandsomecommonstartingmethodsofthree-phaseasynchronousmotors,andgiveasimpledescriptionofdirectstartingandautotransformerstep-downstartingmethods.Today,SenforceMotorXiaobianwilltakeyoutoasimpleunderstandingofthetwomethodsofY-△step-downstartingandfrequencyconverterstarting.
Thestatorwindingseriesresistancestartingiscarriedoutatthesacrificeofstartingtorque,andisonlysuitableforstartingunderlightloadornoload.Today,SenliMotorXiaobianwilltakeyoutounderstandabouttherotorseriesresistanceorfrequencysensitiveresistancestartingmodeofthree-phaseasynchronousmotor.
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