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《APC WhitePaper：Data Center Temperature Rise During a Cooling System Outage》由会员上传分享，免费在线阅读，更多相关内容在学术论文-天天文库。
1、DataCenterTemperatureRiseDuringaCoolingSystemOutageWhitePaper179Revision0ByPaulLinSimonZhangJimVanGilder>ExecutivesummaryThedatacenterarchitectureanditsITloadsignificantlyaffecttheamountoftimeavailableforcontinuedIToperationfollowingalossofcooling.Somedatac
2、entertrendssuchasincreasingpowerdensity,warmersupplytemperatures,the“right-sizing”ofcoolingequipment,andtheuseofaircontainmentmayactuallyincreasetherateatwhichdatacentertemperaturesrise.However,byplacingcriticalcoolingequipmentonbackuppower,choosingequipmen
3、twithshorterrestarttimes,maintainingadequatereservecoolingcapacity,andemployingthermalstorage,poweroutagescanbemanagedinapredictablemanner.Thispaperdiscussestheprimaryfactorsthataffecttransi-enttemperatureriseandprovidespracticalstrategiestomanagecoolingdur
4、ingpoweroutages.bySchneiderElectricWhitePapersarenowpartoftheSchneiderElectricwhitepaperlibraryproducedbySchneiderElectric’sDataCenterScienceCenterDCSC@Schneider-Electric.comDataCenterTemperatureRiseDuringaCoolingSystemOutageIntroductionITequipmentistypical
5、lybackedupbyuninterruptiblepowersupplies(UPSs)whichsupplypoweruntilgeneratorscomeon-linefollowingthelossofutilitypowertothefacility.Howev-er,coolingsystemcomponentssuchasCRAC(ComputerRoomAirConditioner)orCRAH(ComputerRoomAirHandler)fans,chilledwaterpumps,an
6、dchillers(andassociatedcoolingtowersordrycoolers)aretypicallynotconnectedtoUPSsandmaynotevenbeconnectedtobackupgenerators.Consequently,thedatacentersupplyairtemperaturemayrisequicklyfollowingapowerfailure.Whilemuchattentionisdevotedtodatacentercoolingsystem
7、design,mostofthateffortisaimedatimprovingtheefficiencyandreliabilityofitsnormaloperationunderutilitypower.Thelackofattentionpaidtoemergencyoperatingconditionsisduepartlytoalackofsimpletoolsfordatacenterdesignersandoperatorstopredictcoolingperformanceundersu
8、ch1conditions.However,arecentlydevelopedmodelingtool,makesiteasytoestimatedatacentertemperaturesfollowingthelossofcoolingforvariousfacilityarchitectures,back-uppowerconnectivitychoices,and,whenapplicab
