Key Performance attributes - ORv3 and HVDC Power Systems.pdf

1、Requirements/Considerations of Next Generation AI Power ShelvesHarry Soin,Senior Director,Advanced EnergyCihan Aydin,Sen.Electrical Engineer,Delta Energy SystemsRACK&POWEROutline Features.Harry SoinHPRv2 and HPRv4 HVDC Product detailsHPRv2 and HPRv4 Pulse load challengesPlanned New featuresOverview

2、of Power Architecture in Datacenter.Cihan Aydin Comparison ORV3 HPR vs.HPRv2 PSU&ShelfORV3 HPR Efficiency CurveGPU load Profile and CBU HVDC TransitionAgendaRACK&POWERHPRv1 33kW Power Shelf DetailsSHELFNumber of Slots6 PSU Slots+1 PMM/PMI SlotOutput Power33kW(N+0)and 27.5kW(N+1)Output Voltage50VdcOu

3、tput Current672A(Nominal)Output ConnectorBarKlip BK600 connector or equivalentCommunicationMODBus via PMMSize(W x H x D)537mm x 46mm x 788.7mm 1OURECTIFIERInput Voltage Range180Vac 305VacOutput Power5.5kW,De-rated power at 195VacOutput Voltage50VdcOutput Current112AHoldup Time20msEfficiency97.5%(Pea

4、k)/96.5%(Full Load)Current ShareActive+Voltage DropCommunicationMODBusSize(W x H x D)73.5mm x 40mm x 640mmHPRv1 5.5kW Measured EfficiencyINPUTPEAK EFFICIENCYFULL LOAD EFFICIENCY277VAC97.64%96.51%Module efficiency measurement with 5.5kW full load condition.Efficiency measured with fan loss included.9

5、7.64%96.51%93.50%94.00%94.50%95.00%95.50%96.00%96.50%97.00%97.50%98.00%98.50%0%10%20%30%40%50%60%70%80%90%100%EfficiencyPercent LoadLimit Min EffLimit Peak Eff277Vac EfficiencyHPRv2 72kW Power Shelf DetailsSHELFNumber of Slots6 PSU Slots+1 PMMv2 SlotOutput Power72kWOutput Voltage50VdcOutput Current1

6、470A(Nominal)Output ConnectorBarKlip BK2000 connector or equivalentCommunicationMODBus via PMMSize(W x H x D)537mm x 46mm x 867.5mm 1OURECTIFIERInput Voltage Range180Vac 305VacOutput Power12kW,De-rated power at 218VacOutput Voltage50VdcOutput Current245AHoldup Time20msEfficiency97.5%(Peak)/96.5%(Ful