4台以上并机方案(英文)

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1、Forupto4unitsinparallel,thisisexactlylikesay2or3unitsinparalle1.Sayfor4x480KVAconfigurations一youwillneed:DP3480E-4unitsParallelCardforDP3480E-4units(1sittinginsideeachunit)MCCBBox-4units(1foreachUPS)ServiceBypassfor4xDP3480E-1unit(specifyredundantn+1orfullpoweri.c.whetherloadis480x3KVAor480x4K

2、VA)ElectronicStaticSwitch-Builtineveryunit(noneedtoadddeperately)Thediagramwi11beexactlysameasfor2or3xDP3480Eor4xDP3480E.Formorethan4units,weshallneedanExternalStaticSwitch-sothethingswillchangeto:Sayfor6x480KVADP3480E-6unitsParallelCardforDP3480E-6units(1sittinginsideeachunit)MCCBBox-6units(1

3、foreachUPS)ServiceBypassfor6xDP3480E-1unit(specifyredundantn+1orfullpoweri.c.whetherloadis5x480KVAonlyor6x480KVA-inexamplebelowitis5x480KVA)ElectronicStaticSwitch一Externaltobecapableofhandlingfullpowerofload(say6x480KVAforfullpoweror5x480KVAforredundancy一inexamplebelowitis5x480)Thisdiagramwill

4、looksomethinglike:Inthisoption,theloadis5x480kVA=2,400kVA,whichcanbehandledby5UPSmodules.The6thmoduleisparalleloperatingandsharingtheloadinredundantoperation.Normallyonfullloadoperation,eachofthe6UPSactivemodulesisrunningat5/6lhi.e.about85%loadonly.AnexternalStaticSwitchisusedtohandleanyoverlo

5、adsoutsidetheratingofOnlineOperationorfailureofmorethan1module・TheStaticSwitchisratedfor5x480KVAload.Asinglelinedrawingisattachedbelowtogiveanimpressionofthearrangement.PARALLELOPERATIONOFDP300ESambhajiWaghAPC,SingaporeInDP300EsystemsparalleloperationworksasfollowsWecanconnectuptonineunitsofsa

6、mecapacityinparalleltoachieveredundancyorincreasedloadcapacityinUPSsystem.TheconfigurationwilllookasfollowsWehavesuppliedthiskindofsolutiontoIBMUKwheretheyhavetwobanksofsixunitsofDP300EinparalleltosupporttheirMegacenter.ParalleloperationisusedwiththeaboveshownconfigurationandworksasfollowsThes

7、eparallelunitsareconnectedtoServicebypasspaneltomakeiteasytocombinetheUPSpoweranddistributeittotheload・AllunitsgettheinputthroughinputswitchesfromSBP(ServiceBypassPanel)andoutputofallunitswillbecombinedonSBPthroughindividualoutputswitch