Mechanical Design Engineer – Power Electronics Systems

JobDescription:MechanicalDesignEngineerPowerElectronicsSystems

Company:AutodataTechnologiesPvt.Ltd.,NaviMumbaiLocation:NaviMumbai

(TTCIndustrialArea)Experience:38yearsQualification:B.E./Diploma(MechanicalEngineering)

RoleOverview

Youwillberesponsibleforthemechanicaldesign,enclosureengineering,and

thermalmanagementofhigh-powerindustrialelectronicassembliesincludingIGBT

three-phasestacks,IGBT-basedinverters(100200kW),andSMPSpowersupplies

fortheelectroplatingandsurfacetreatmentindustry.

KeyResponsibilities

Mechanicaldesignand3Dmodellingofpowerelectronicsenclosures,

busbars,heatsinkassemblies,andmountingstructuresusing"Autocad, Solid Works, Krycad"

Thermalanalysisandheatremovaldesignheatsinkselection,forcedair

cooling(fans,ducting),liquidcoolingplates,andthermalinterfacematerial

(TIM)specification

DesignofIGBTthree-phasestackassembliesincludingclampingpressure,

isolation,busbargeometry,andcreepage/clearancecomplianceperIEC

60664

MechanicalpackagingofSMPSunitsforindustrialenvironmentsDINrail,

19"rack,orcustomenclosures

BOMpreparation,vendorcoordinationforsheetmetalfabrication,extrusions,

andmachinedparts

Reviewofmanufacturingdrawings,GD&T,andtolerancestack-upanalysis

Coordinationwithelectrical/electronicsteamforPCBmounting,connector

layouts,andcablemanagement

Prototypebuildsupportanddesigniterationbasedonthermaltestresults

ust-HaveSkills

ProficiencyinKryadmechanicaldesignsoftware(orKiCadforPCB

mechanicalintegration)

Demonstratedexperiencewiththermalmanagementheatsinkdesign,

CFDawareness,junction-to-ambientthermalresistancecalculations

ExperiencewithIGBTmodulemountingtorquespecs,thermalcompound

application,isolationpads(e.g.,Keratherm,Bergquist)

Sheetmetaldesignforfabrication(bending,punching,powdercoating)

FamiliaritywithIPratings(IP20toIP54),EMCenclosurerequirements,and

cableglandsizing

Good-to-Have

Exposuretoelectroplatingrectifiers,CEDpaintshopequipment,orindustrial

UPS/invertersystems

KnowledgeofIEC61439(switchgearenclosurestandard)

Experiencewithbusbardesignsoftwareormanualcalculationofcurrent

densityandtemperaturerise

SolidWorksSimulation/ANSYSforbasicthermalFEA