MAKELSAN Challenger Series - 4 Operation; Operation Procedure; Circuit Breakers

CHALLENGERSERIES10‐60KVA  OPERATION
AG–SD‐35Rev.No:1Rev.Date:25.09.2013PublicationNo:2 50
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4.Operation
4.1OperationProcedure
Bu bölümde devre kesiciler, ilk çalıştırma, KGK’nın çalışma tiplerinin testleri, KGK’nın
kapatılması,EPOveRS232serihaberleşmesistemihakkındabilgibulabilirsiniz.
4.1.1CircuitBreakers
TheseareusedfortheACinput,maintenancebypass,outputandthebatteryconnections
respectively.
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Three‐phaseACvoltageisappliedthroughCB1toinputofUPS.
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AC input voltage will be applied directly to loads through CB2. In this way, maintenance
purposedswitchingisdoneproperly.IfUPSisactivedwhileitisworkingthankstoauxilary
shortcircuitinfolocatedinCB3,mainsmakesthebypassstaticswitchesactived.Thesystem
willbeswitchedtomaintenancemodesmoothly.
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CB3 isusedtoconnectorseperateACvoltagethatcomefromstaticswitchestotheloadson
UPS.
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ActiveBrakers OperationMode Explanation
CB1,CB3,CB4 NormalMode UPSoperatesinnormalmode.
CB1,CB3,CB4 StaticBypassMode
UPSisoverloaded,loadswillbetransferredto
staticbypasslinetemporarily.
CB2 TestMode
UPSisON,butloadswillbefedthrough
mechanicalbypassline.
CB2 MaintenanceMode
UPSisshutdownformaintanence,loadswillbe
fedthroughmechanicalbypassline.
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