manual_for_emrax_motor_june_2013_new

’smanualforthebrushlessACmotorEMRAX…………………………………………………………………………………………………….….32.IntendedusageoftheACmotorEMRAXandthecorrespondingcomponents.......................................8Thepowertransmission....................................................................................................................9Thesectionbearings.........................................................................................................................9EMRAXmotoringressprotection.....................................................................................................93.Beawareofthefollowingsafetyinstructionsbeforestarting...............................................................104.Maintenance...........................................................................................................................................105.Directionofrotationofthedrive............................................................................................................116.Motorcooling..........................................................................................................................................117.Motorconnection...................................................................................................................................118.Service.....................................................................................................................................................13Owner’smanualforthebrushlessACmotorEMRAXšnik,dipl.ing.(companyEnstroj)onelectricgliderairplaneApisEA2anditwasalsolaboratorytestedinSiemens(May2012)andPiktronikcompany.Alsoourcustomersgiveussomeresultswhicharecomparablewithourtests.Weachievedourobjectiveandbuiltahigh-powered,hightorque,extremelylight,directdrive,lowRPM,lownoiseelectricmotor,whichefficiencyisupto96%.BecauseofthehightorqueEMRAXenginecanachievehighpoweralsoatrelativelylowrotationspeeds.EMRAXallowsagearlessdrivewithouttheusuallyessentialstep-upgearunitwhichcausespowerlosses,additionalweight,complexityandmaintenances.Themotorhasmuchhigherpower-to-weightratiocomparedtootherbrushlessACmotors.Mechanicalandnoloadelectricalloosesareverysmall,soourmotorcanrunupto4000RPM.Peakrotationis5000RPM(testedinSiemensandEnstrojforafewseconds)-inthiscasethemotorcanachieveatleast100kW.EMRAXcanalsodeliverfewtimeshighertorqueathigherRPMwithsomereductiondrive.Becauseofthesmallinternalwindingresistanceandeddycurrentsinthemotorweachievedawiderangeoperatingatexcellentmotorefficiency(verylowpowerdissipation).ThoughmanyintensivetestshadalreadybeenmadeandthoughpartsthatwereproducedbymodernCNCmachines,themotorisstillnotarealseriesproduct.Manymanufacturingprocessesarestillmadebyhand,whatmakeseverydriveofthefirstseriesunique.So,ourfirstcustomersareandtheywillbepartofafieldtestandwearealreadyexcitedwhichexperiencestheymakewiththenewmotor.1.TechnicaldataofEMRAXmotorsEMRAXmotors/generatorsareBRUSHLESSSYNCHRONUSTHREEPHASEAC(AlternatingCurrent)MOTORS/GENERATORS.WeofferdifferentEMRAXmotortypes(thenumberinthenamemeansthediameterofthemotorinmm;widthofeachmotoristhesame):EMRAX228:-HighVoltage(airorliquidcooled)-MediumVoltage(airorliquidcooled)-LowVoltage(airorliquidcooled)EMRAX268:developingEMRAX200:developingOwner’smanualforthebrushlessACmotorEMRAX:TechnicaldataofEMRAX228motor.TypeTechnicaldataEMRAX228HighVoltageEMRAX228MediumVoltageEMRAX228LowVoltageCooling(AC–AirCooled;LC–LiquidCooled)LCACLCACLCACCoolingmediumwaterflowspeed0,2l/s;20°Cairflowspeed25m/s;20°Cwaterflowspeed0,2l/s;20°Cairflowspeed25m/s;20°Cwaterflowspeed0,2l/s;20°Cairflowspeed25m/s;20°CWeight12,2kg11,8kg12,2kg11,8kg12,2kg11,8kgDimensionsdiameter/widthΦ228/86mmΦ228/86mmΦ228/86mmΦ228/86mmΦ228/86mmΦ228/86mmVoltagerange50-400Vdc(*600Vdc)50-400Vdc(*600Vdc)50–350Vdc(**450Vdc)50-350Vdc(**450Vdc)24-100Vdc(**140Vdc)24-100Vdc(**140Vdc)Peakmotorpower(forafewseconds)100kW100kW100kW100kW100kW100kWContinuousmotorpower(dependsonthemotorrotation)30-50kW25-40kW30-50kW25-40kW30-50kW25-40kWMaximalrotationspeed4000RPM(*5000RPM)4000RPM(*5000RPM)4000RPM(**5000RPM)4000RPM(**5000RPM)4000RPM(**5000RPM)4000RPM(**5000RPM)Maximalmotorcurrent(for2minifcooledasdescribed)240Arms240Arms320Arms320Arms1000Arms1000ArmsContinuousmotorcurrent120Arms120Arms160Arms160Arms450Arms450ArmsMaximalmotortorque(forafewseconds)240Nm240Nm240Nm240Nm240Nm240NmContinuousmotortorque125Nm125Nm125Nm125Nm125Nm125NmMaximaltemperatureofthecooperwindingsonthestator/magnts110°C110°C110°C110°C110°C110°CNominalmotorefficiency–dependsonthemotorrotationandtorque(current)93-96