MAKELSAN Challenger Series - Battery(Stored) Mode; Bypass Mode; Auto Restart Mode

CHALLENGERSERIES10‐60KVA  PRODUCTDESCRIPTION
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AG–SD‐35Rev.No:1Rev.Date:25.09.2013PublicationNo:2 17
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2.2.2Battery(stored)Mode
UPSrunsonbatterymodewhenthemainsvoltageisbad.BatteryVoltageisboostedforthe
sufficientDcbusvoltage.InordertoprovideproperDCBusvlotage,batteryvoltagewillbe
boosted.
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2.2.3BypassMode
Inanoverloadcondition,orifthereisaproblemwiththedoubleconversion,theloadsare
fedbythebypassline.
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UPSswitchestoACsupplyfrominverterforthatbystaticswitches.Invertermustbe
synchronizedwiththemainssupplyforthesetransitionstobeseamless.Thistransitions
mighttake15msdependingonthetypeofloadifinverteroutputisnotsynchronizedwith
themains.
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2.2.4AutoRestartMode
UPSsuppliesitscriticalloadsuptoendofdischargevoltagelevelduetoanymainsfailure.
UPSfeedscriticalloadsuntillendofbatterydischargevoltagelevelcausedbyanymains
failure.Upswilloperateuntilbatterieschargingprocesscompletingafterthatwillbe
switchedoff.UPScanoperatebyitselfinspecifiedtimeaftermainsturnedbacktonormal
mode.Inthiscase,UPSkeepsoperatingproperaslongasUPSvoltagebeinginaccordance
criterias.ForChallengerSeriesUPS,thisfeatureisnotactivatedasfactoryinitialsetups.