800Vdc MGX 加速计算机架和储能系统用于提高 GPU 功率利用率.pdf

1、Jared HuntingtonMike Tu800 VDC MGX Accelerated Computing Rack&Energy Storage for Improved GPU Power UtilizationLaw of Power800 VDC ApproachSource SideLoad SideServer800V MGX Racks800V Direct to Node800VDC Busbar800 VDC Cable(s)1500 A+ServerDC/DCVRMGPUFuse+HSC800V12V 1VServer54V Busbar54 VDC BusbarSe

2、rverDC/DCVRMGPUFuse+HSC800 VDC12V 1VPower ShelfPower ShelfServerPower Shelf54 VDC800 VDC 125A800V Datacenter800V DatacenterGPU Load SwingsHow much energy?1010010001000010000010000000.0100.1001.00010.000100.0001000.000Volume(cm3)Time(s)Electrolytic CapsIntermediate StorageLithium Ion BatteriesEDPPWL

3、Idle PeriodsWL Long Idle PeriodsWorkload RampUPS+Grid RequirementsWhere to put it?Grid/SourceEnergy StorageIT LoadPSUExample:GB300 Power Shelf ImprovementsBoost PFCDC/DC240 VAC50 VDCDevelop safety standards and operating procedures around 800V+datacentersStandardized method for DC Arc Flash assessme

4、ntDesigning PSU/PFC as a filter as standard practice for GPU applicationsModular energy storage solutions on the rack,row,and datacenter levelCommon collection of utility requirements for industry to design solutionsWhere to find additional information:https:/ to ActionBack Up SlidesTransition to Da

5、tacenterUL&IEC paths for 800 VDC evolving.Limited deployment precedent slows code updates.Need consensus:test procedures,stress factors,validation.Rack disconnects,fuses,breakers,busways,UPS,BESS,etc.all need certification standards.Certification&Compliance ReadinessNo standardized arc flash models

6、for DC.NFPA 70E gaps for DC hazards.Testing and validation methods still evolving.New operational protocols for DC safety needed.Electrical Safety&Risk MitigationBreaker performance and short-circuit limits unresolved.DC fault interruption less predictable tha