产品资料下载（PDF）-1-Y系列三相异步电动机（H8

YH80~3551Y1GeneralDescriptionsSeriesYThreePhaseInductionMotorsaredesignedandmanufacturesintototallyenclosedself-fan-cooledmotorswithsquirrelcagerotors.Thisseriesmotorshavemanyremarkablefeaturessuchascompactconstruction,lightweight,reliableoperation,solidconstructionandfinelookingaswellashighefficiency,highstartingtorque,lownoiseandlongservicelife,etc.SeriesYmotorsforgeneral-purposeusescanbeusedtodriveallkindsofmachinesandequipment,whichhavenospecialrequirements.Forthisseriesmotors,theoutputratingsandmountingdimensionsconformtothespecificationsofIECPublicationsandthecorrelationbetweenthemagreeswithDIN42673ofGermany.Themotorsareeasytocompleteintheexportmachineryandequipmentandsupplyasspareaccessoriesintheimportequipment.Specialrequirmentsshouldbestatedwhenordering.22.1JBZ294GB2423.4F2.2452.3H80—180H355H200—315Y-2.4H80—132H160—355315—3552.5IP202Construction2.1StatorsThestatorcoresarelaminatedfromtheoxygenatedhigh-qualitymagneticsheetsteel.Themagneticwireadoptspolyamideenamelwireandtheinsulationthepremiumdiscontinuousinsulation.Thecompletelywoundstatorcoresarevacuum-pressureimpreg-natedtoasolidintegral.ThentheyaretestedaccordingtoJB/Z294andGB2423.4.Thisprocessenablesthewindingstopossessexcellentelectricalandmechanicalproperties,highmoisture-resistantabilityandthermalstability.TheinsulationisClassF,butthetemperatureriselimitisspecifiedasthatofClassB.Thusmakesthemotorsbeofalargemarginofsafetyintemperature-riseandlongservicelife.2.2RotorsFromtheoxygenatedhigh-qualitymagneticsheetsteelarelaminatedtherotorcoreswhicharecastaluminumandfixedontheshaftbymeansofhotfit.Theyarewellcalibratedwitydynamicbalancetomakemotorsoperatesmoothlywithlittlevibration.Theshaftsaremadeof45#steel.Themotorsaremanufacturedwithonlyoneshaftextensionend.Ifcustomersrequirethemotorswithdoubleshaftextensionends,pleasespecifythemwhenordering.2.3TerminalBoxesTheterminalboxesareonthejustrighttopofthemotors(framesizeH80~180andH355)orontherightsideofmotors(framesizeH200~315)seeingfromthedrivingend.Specialrequirementsshouldbestatedwhenordering.Aterminalboardorfixingboardisequippedintheterminalboxes.Therearesixterminalsintheterminalboxes,suitableformotorsdirect-on-linestartingorY-H80~312motors,bilaterallyshieldedballbearingsareadoptedandacorrugatedspringwasherwithinthebearingchambersatthedrivingendwhichispressedonthebearingswithsuitableelasticity.ButforframesizeH160~355motors,thebearingswithinnerandoutercoversareusedandaretainingringisfittedatthenon-drivingendtopreventefficientlyrotorsmovingaxially.ForframesizeH315~355motors,oneachbearingbracketthereisagreasingattachmenthavingtheusetodrainandreplenishthelubricatinggreasewithoutstoppingthemotorstoensurethebearingsingoodlubricatingcondition.2.5FansandCowlsThefansofwholeseriesmotorsarekeyedontotheshaftstoensurereliableoperation.Thecowlsaremadeoffabricatedsteel.Onaprerequisitethatitshouldpreventfromtheingressofsolidsubstancesofcertainsize,theyenablethemotorstogetmaximumareaofventilationinordertoformadequateaircurrent.Thecowlsareoffinelookingandgoodsteelstrength.ThedegreeofprotectionisIP20.33.1100m40-1590253.2220V380V400V415V660V220/380V380660V660/1140V50Hz3.3IP44IP54IP553.4IC411.3.5SI3.613TechnicalSpecifications3.1ServiceConditions3.1.1Thealtitudeisupto1000m..3.1.2Theambienttemperaturesubjectstoseasonalvariationbutnotexceeding403.1.3Thelowestambienttemperatureis-15.3.1.4Meanhighestrelativehumidityinthemosthumidmonthis90%.Meanwhile,themeanlowesttemperatureinthemonthdoesnotexceed25.3.2VoltageandFrequencyTheratedvoltageis220V,380V,400V,415V,660V,220/380V,380/660V,and660/1140V.Theratedfrequencyis50Hz.Forthemotorswithothervoltageandfrequency,pleasestatewhenordering.Note:Motorswithspecialfrequency,voltageandambienttemperaturecanalsobesuppliedifrequiredwhenordering.3.3ProtectiondegreeofthemotorsisIP44,andIP54orIP55canalsobesuppliedaccordingtocustomers’required.3.4ThecoolingformofthemotorsisIC411.3.5ThedutytypeisSI(continuous).Fullvoltagestartingisallowable.3.6Forelectricalcharacteristics,seeTable1.44.1B3B35B52124Construction&MountingArrangements4.1TherearethreebasictypesofmountingandconstructionforSeriesYmotors:B3—Foot-mountedandflangeless;B35—Bothfootandflangemounted;B5—Flange-mountedandfootless.Thethreebasictypesofmountingandconstructionmentionedabovecanbemodifiedinto12modesasshowninTable2.55.14+3DBA5NoiseandVibration5.1NoisevalueatAsoundpowerlevelmeasuredundernon-loadoperationshallnotexceedthosespecifiedinTable4.Itstoleranceis+3dB(A).5.255.2Theaffectivevalueofvibrationspeedmeasuredundernon-loadoperationshallnotexceedthosespecifiedinTable5.66.15.5kW2Y132S1—25.5kW3000r/min380v50Hz6.21W6.36OrderingRequirements6.1Whenordering,pleasespecifythefollowingitems:framesize,outputpower,synchronousspeed,voltage,frequency,mountingarrangementandoutletmodeofleadetc.Forinstance,themotorwith5.5kW,2poles,framewithfoot-mountedandflanglessandsideentryshouldbeexpressedasfollows:Y132S1-2,5.5kW,3000r/min,380V,50Hzandsideentry.6.2Specialrequirements(e.g.doubledrivingends,noisespecifiedasClass1,degreeofprotection,foroutdooruse(Wtype),gr