Eco模式UPS节能运行模式的收益和风险.pdf

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1、Eco-mode:BenefitsandRisksofEnergy-savingModesofUPSOperationWhitePaper157Revision1byNeilRasmussenContents>ExecutivesummaryClickonasectiontojumptoitIntroduction2ManynewerUPSsystemshaveanenergy-savingoperatingmodeknownas“eco-mode”orbysomeotherEco-modesdescribed2descripto

2、r.Nevertheless,surveysshowthatvirtuallynodatacentersactuallyusethismode,becauseoftheEfficiencyimprovements5knownoranticipatedside-effects.Unfortunately,theLossofprotection7marketingmaterialsfortheseoperatingmodesdonotadequatelyexplainthecost/benefittradeoffs.Reliabili

3、tyimpacts9Thispapershowsthateco-modeprovidesareductionEffectonoperations10ofapproximately2%indatacenterenergyconsumptionConclusion12andexplainsthevariouslimitationsandconcernsthatarisefromeco-modeuse.SituationswheretheseResources13operatingmodesarerecommendedandcontra

4、-indicatedarealsodescribed.whitepapersarenowpartoftheSchneiderElectricwhitepaperlibraryproducedbySchneiderElectric’sDataCenterScienceCenterDCSC@Schneider-Electric.comEco-mode:BenefitsandRisksofEnergy-savingModesofUPSOperationIntroductionThegrowingfinancialandenvironme

5、ntalcostsassociatedwiththeenergyuseofdatacentershasgivenrisetoanappropriatedrivetoimprovetheefficiencyofdatacenterpowerandcoolingsystems.Efficiencyimprovements–reductionsinPUE–canbeaccomplishedatanumberoflevelsinthedatacenter:•Overallsystemarchitecture>Eco-mode•Scalab

6、le,right-sizedsystemdesignhasmanynames•Betterefficiencyofindividualdevices•OperationaldecisionsEco-modeisabenefit/riskdecisionhereTechnicalnames•BypassThispaperwillfocusonaparticulartechniqueforimprovingtheoperatingefficiencyofadouble-conversionUPSbyoperatingitineco-m

7、ode,traditionallycalled“bypass”.Eco-modeisamethodofoperatingtheUPSatreducedpowerprotectioninordertoobtainimprovedVendornames•ESS–EnergySavingSystemelectricalefficiencyandsaveenergy,andismarketedbyvendorsunderavarietyofnames•SEM–SuperEco-Mode(seebox,left).•VFD–Voltagea

8、ndFrequencyDependentThispaperwilladdressthefollowingsubjects•Maximumenergysavingmode•Whatiseco-mode,andhowdoesitwork?•Whatef