DC Charger/ Float Operation/ Boost Operation
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battery chargerfloatboostfloat operationboost operationfloat boost mode battery chargerDC upsuninterrupted power supplySUBSTATION EQUIPMENTelectronicsbatteryelectrical interviewelectrical engineeringELECTRICAL SUBSTATIONTRANSFORMERMOTORGENERATORELECTRICAL ENGINEERINGpower plant black outDC Chargerbattery ChargerdcdbDC CHARGER IN SUBSTATIONDC SUPPLY IN SUBSTATIONWHY DC IN SUBSTATION