下一代电源和电源架的要求_考虑因素.pdf

1、Cihan Aydin,Sen.Electrical Engineer,Delta Energy SystemsHarry Soin,Senior Director,Advanced EnergyRequirements/Considerations ofNext Generation ORv3 PSU and Power ShelvesRequirements/Considerations ofNext Generation ORv3 PSU and Power ShelvesCihan Aydin,Sen.Electrical Engineer,Delta Energy SystemsHa

2、rry Soin,Senior Director,Advanced EnergyDATA CENTER(DC)PHYSICAL INFRASTRUCTUREComparison ORV3 to ORV3 HPR(High Power Rack)to HPR2 PSU.Cihan AydinMajor Differences ORV3 to ORV3 HPR/HPR2 PSUPeak Shaving ShelfORV3 HPR Efficiency curveOutline Features.Harry SoinPF/iTHD in Dynamic loadsInput Power limit

3、ChangeAuto Input power adjustNext Gen PowerAgendaComparison ORV3 HPR PSU to ORV3 HPR2ORV3 HPRORV HPR2Input Voltage range180 305Vac180 305VacOutput PowerDefault:49V/112ADefault:49V/244AEfficiency(incl.Fan power losses)97.5%peak ;96.5 100%load97.5%peak ;96.5 100%loadOperating Temperature-5 +45-5 +35 S

4、ize L x W x H640mm(L)*73.5mm(W)*40mm(H)790mm(L)*83.4mm(W)*40mm(H)CoolingInternal fanInternal fanMajor Differences ORV3 to ORV3 HPR/HPR2Power increase from 33kW to 72kW within same shelf outer dimensionsTransition to BBUTransition method changed from a output voltage drop by 3V to a AC_LOSS signal fr

5、om PSU Shelf to BBU Shelf to activate BBUsPulse load requirement updated to latest AI GPU requirements 160%/136%PMM(Power Monitoring Module)with dedicated uC to collect data from PSUs&BBUsShelf output connector(barclip)with integrated NTC for temperature reporting and protectionVbustimeV_BBU_trigger

6、 48.5V48VPSU runs for 20ms FLBBU runs up to 240sstart of ac outageBBU starts in 4msecPSU voltage drops by 3V after its holdup energy is lost by 50%BBU startsNote1:all numbers with+/-0.25%accuracy.Note2:PSU and BBU voltage droop is 0.5V for 0-100%load.Note3:BBU is triggered after Vbus is 48.5V for 2m