ABB Tech Note 194 Permanent magnet motors with 580 series drives 应用说明文档(英语).pdf

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TechnicalNote194

Permanentmagnetmotorswith580seriesdrives

Motordesignandcommissioning

Thefollowingtechnicalnotewillassistwithidentificationofthetypeandcharacteristicsofapermanentmagnetmotor

selectedtobepairedwiththe580seriesdrive.Itaddresseshowtodistinguishbetweenaninternallymounted

permanentmagnetmotors(IPM)andsurfacemountedpermanentmagnetmotor(SMPM)andcommissioning

considerationsforthesemotortechnologieswithanACH580drive.Bothpermanentmagnetmotortechnologies

requireadrivetorunthemotor.ThistechnicalnotedoesnotapplytotheABBcoolingtowerdirectdrive,thatis

packagedwiththeACS880+N5350ortheABB“ECTitanium”,whichisanIPMmotor.Webeginwithageneraloverviewof

themotortechnologyandthedifferencesindesignbetweenthem.Thesedesigndifferencescanleadtodifferentmotor

controlconsiderationswhencommissioning.Conceptsfromthistechnicalnotecanalsobeusedforretrofitjobs.Itis

recommendedthattheentiretechnicalnotebereviewedbeforecommencingwithanyretrofitproject.Thistechnical

noteiswrittenforsomeonewithexperienceinworkingwithVFDsandmotorsinapplications.

Topicstobecoveredare:

1.Motortechnologyoverview

2.Identifyingneededdriveparametersfrommotornameplate

3.Commissioningparameters

4.Troubleshooting

BothIPMandSMPMmotortechnologiesaresynchronousmotorsandaremoreefficientthanequivalentHPrated

inductionmotortechnology.TheprimarydifferenceinthedesignandoperationofthesetwoPMmotor

technologiesistheplacementofthepermanentmagnetsrelatedtotherotorsofthemotor.

SMPMmotorshavepermanentmagnetsmountedontheoutsideoftheirrotors.Figure1illustratestheinternal

rotorandstatorforaSMPMmotor.Youwillnoticethatthepermanentmagnetsinthemotorconstructionare

locatedonthesurfaceofitsrotor.

IPMmotorsha

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