电动汽车下一代电驱动模块：无稀土电机和最先进电力电子设备

ElectricDriveModulesforBEVs: Rare-EarthFreeElectricMotorsand AliEmadiFounderandCEO,EnedymInc. CTISymposium,May18-19,2022,Novi,MI Changinghowtheworldmoves,together. Demand is growing rapidly Theelectricmotormarket ElectricalSector+Commercial+Residential:Buildings,HVAC,pumps,appliances,powertools 15million Electricmotorsmanufacturedintheworldeveryday Automotive+CommercialVehicles:Electrifiedvehicles 46% Micromobility+LightElectricVehicles(LEVs):Electricmotorcycles,e-scooters&bikes Portionofglobalelectricalenergydemandconsumedbyelectricmotors RenewableEnergy+Industrial:Windpower,off-highway/agriculture Today’s electrification paradigm Today’siterativeproductdevelopment 2020-2022priceincreasesforkeymetals Lackofanexperiencedengineeringworkforce Slowturnaroundofsystemsengineering/optimization TechnologyGaps Toolstosimulate,assess,andcomparetechnologies’real- SOLUTION We can significantly increase speed NEXT-GENERATION MOTORSwith reduced/eliminated rare-earth metals DESIGN DIGITIZATIONof electrified powertrains and electric drive modules Next generation SRMs (switched reluctance motors) and IPM (interiorpermanent magnet) motors, power electronics, powertrains, controls Design/analyze significantly faster at a fraction of typical cost•Disruptive, multi-physics design and optimization•A fraction of time and cost of previous methods•Accelerate systems engineering, design, and evaluation•Efficiently evaluate specific solutions for varied application •Significantly lower cost•Higher performance•More reliable ENEDYM DESIGN ELECTRIC PROPULSION MOTORS TODAY Improved Permanent Magnet + Induction Motors High torque density; high efficiency at low and Comprehensive multi-physics design and optimizationReduced rare-earth metals, lowering cost and supplychain risk High cost of magnets; supply chain issues; strong Induction Motors Low-cost manufacturing due to established die Loss of cost-competence for higher efficiency; highrotor losses; exceptionally low-efficiency in single- Switched Reluctance Motors Next-Generation SRMs Emerging technology; no rare earth metals Lowest cost, simplest construction; robust at high-temperature, high-speed, wide extended-speed Historical acoustic noise + torque ripple challenges havebeen solved (via proprietary motor configurations and historic acoustic noise and torque ripple challengescomplete compatibility with existing manufacturing Improved efficiency + reliabilitySynergistic with new battery Trends: Integration, integration, integration Same number of power electronic devices asIPM and IM drives, but configured differently •3-in-1 integration•Electrical integration of inverters, DC/DCconverters, OBCs, andePTOs•Electrical, magnetics, thermal, and mechanical Power modules vs. discrete components(paralleling switches) Higher voltage, higher frequencyWide band-gap devices (SiC and GaN)Active gate drivers SRMs provide simple, robust constructionwith higher reliability and reduced cost Enedym has invented and patented +51 •Creating manynew market opportunities Enedym’s next-generation SRMs(switched reluctance motors) do not use •Simple and low-cost structure•More robust construction due to lack of permanent magnets orconductors on the rotor Enedym Trillium eDrive: Same volume, higher performancevs. Competing IPM eDrive •Integrated design: Motor, inverter, gearbox•Robust switched reluctance motor•No rare-earth metals Better motors without rare-earth magnets, Design Digitization Dynamic system design processaccelerates electric powertrain design exploration, CAPABILITIES BENEFITS •Electric motor design and optimization•Power electronics design and optimization•ePowertrain system design and optimization •Faster time to market•Develop for more applicationsFaster prototype validation Digitization enables getting to marketin a fraction of development time and New Methods for FARM Facility forAdvancedRapidManufacturing High Mix, DIGITIZED AUTOMATED FAST •Breakthrough software designenvironment•High speed system topology optimization •Decrease development time frommonths to weeks•Decrease build time from weeks to days •High speed motor core fabrication•$15M of equipment investment in CHANGING THE GAME The energy paradigm is shifting–we need theelectrification strategies to get to market faster TAKE AWAYS •SRMs do not use any rare earth metals and we haveshown they can meet and exceed the •There are critical supply chain concerns for rareearth permanent magnets pushing the automotive •Digitization tools that enable better electric drivemodules andePowertrainsto be designed faster The solution is in reducing or better yet eliminating