文档介绍：DCGENERATIONSYSTEM-:-Battery-Batterycharger-Transformerrectifierunits(3).DCGENERATIONSYSTEM-,theDCsystemusestransformer-rectifierunits(TRUs).ThethreeTRUstake115vac,decreasethevoltage(transforms),-.(AMMPARTI24-34)BatteriesEachbatteryisa48ampere-hour,(SPCU),thebatteryswitch,(PDPs)-MAINBATTERYCHARGERANDAUXILIARYBATTERYCHARGERPurposeThemainbatterychargerhasthesetwofunctions:-Keepsmainbatteryatmaximumcharge-:-Batterychargemode(constantcurrent)-Transformerrec