下一代 ORv3 电源和电源架的要求_注意事项.pdf

1、Considerations ofConsiderations ofNext Generation ORV3 Next Generation ORV3 PSU and Power ShelvesPSU and Power ShelvesDelta ElectronicsConsiderations ofConsiderations ofNext Generation ORV3 PSU and Power ShelvesNext Generation ORV3 PSU and Power ShelvesJakrapong.WongR&D Engineering Director/Delta El

2、ectronicsRACK&POWEROutline 54321Overview of Power Architecture in DatacenterComparison ORV3 HPR VS.HPR2 PSU,ShelfORV3 HPR/HPR2 Efficiency curveGPU Load Profile&CBUHVDC TransitionOverview of Power Architecture in DatacenterHPR,HPR212V/50Vdistributed serverDistributed PSUComparison ORV3 HPR VS.HPR2 PS

3、UORV3 HPRORV3 HPRORV HPR2ORV HPR2Input Voltage range180 305Vac180 305VacOutput Power33kW72kWEfficiency(incl.Fan power losses)97.5%peak ;96.5 100%load97.5%peak ;96.5 100%loadOperating Temperature-5 +45-5 +35Size L x W x H640mm(L)*73.5mm(W)*40mm(H)790mm(L)*83.4mm(W)*40mm(H)CoolingInternal fanInternal

4、fanMechanical Model ORV3 HPR VS.HPR2 PSUHPR2 PSUHPR PSUORV3ORV3ORV HPR/HPR2ORV HPR/HPR2BBU Activation MethodAC_LOSS signal from PSU Shelf to BBU ShelfSameUpdated AI pulse load136%50ms,160%400us,100%1s140%50ms,160%400us,100%1sO/P ConnectorBar Clip+NTCBolted BusbarDimension537 x 46.2 x 788.7mm537 x 46

5、.2 x 905mmComparison HPR VS.HPR2 ShelfMechanical Model ORV3 HPR VS.HPR2 ShelfHPR V2 PSUHPR PSUHPR ShelfHPR V2 Shelf2x 30A2x 60AORV3 HPR/HPR2 Efficiency CurveGPU Load ProfileCapacitor Bank Unit(CBU)Energy storage systems help to reduce input side power peaks of the AC PSU and improve system reliabili

6、tyCBU Operation TheoryAC Current Fluctuation ReductionAvailable Delta Prototype&MP UnitsRACK&POWERORV3 and ORV3 High Power RackPower Management Module and PMIORV3 HPR 1OU 33kW Power ShelfORV3 HPR 5500W PSUhttps:/ Shelf 24kW pulseORV3 HPR2 1OU 72kW Power ShelfO