EnerSys Alpha Cordex CXC HP - Power Save

Cordex®CXCHPControllerSoftwareManual|5-DCpowersystems
Canceling test discharge mode
TestDischargemodecanbecanceledbyeitherchangingthemodetoFloatorstoppingthetestmanually.
TostopthebatterytestmanuallygotoSystems > DC System > System Functions > Battery Test and
selecttheStop Manual Battery Test buttonintheStatus table.
Battery discharge test completion
Oncethebatterybeginstocharge,therechargecyclebegins.Livebatteryrechargeinformationis
availableatSystems > DC Systems > System Functions > Battery Runtime & Health menuinthe
Status table.Thetestisconsideredcompleteoncethebatterybeginstocharge.Thisisduetoeither,the
testendingfromtimeout,thesystemreachingtheterminationvoltageorfromanabortcondition.
5.2.8. Power save
WhenusingPower Save werecommendthefollowing:
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ThatthePower Save featureonlybeusedonsystemswithabattery.
•
Ifasystemsupports120to240Vacinputoperationandifoperatingatlessthan208Vac-donot
usePower Save.
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ThecurrentandpowerlimitsettingsinSystems > DC System > Inventory > Rectifiers >
Configuration menuintheConfiguration tableshouldbesetto100%whenusingPower Save.
ThePower Save featureisdesignedtoimprovetheefficiencyofthesystem,byoptimizingtheoutput
poweroftherectifiers.Rectifiersthatareeitherloadedtoolightortooheavygenerallyhavelower
efficiency.
Power Save analyzesthesystempowerrequirements,aswellasavailablerectifiercapacity,determining
theoptimumloading.Basedonthesysteminformationthecontrollerthentakesrectifiersintooroutof
standbytoachievemaximumrectifierefficiency.Rectifiersinstandbydonotsupplytotheloadorto
batterycharging.Power Save periodicallycyclestheserectifierstoensuretheycontributeevenlyto
supplyingtheload.Thisbalancesrectifieroperationandmaximizesrectifierlifetime.
Whenactive,Power Save reliesonthebatterytobrieflytakeupsomeoftheloadcurrentduring
operation.Iftherearemodulesinstandbyandtheloadincreases,rectifierssupplyingpowerwill
momentarilyhavereducedcapacitytosupplytheload.Atthatpointthebatterysuppliestheextracapacity
required.Power Save detectsthisandwillbringoneormorerectifiersoutofstandbysothattheloadis
fullysuppliedbytherectifiers.
Power Save hasthreemaintables,Status,Configuration,andModules.TheStatus tablehasaTest
Rotation Now buttonwhichcanbeusedtoimmediatelyadvancetherotationoftherectifiers.Regular
scheduledrotationwillstilloccuraccordingtotheModule Rotates In time settings.
ToviewthesetablesgotoSystems > DC System > System Functions > Power Save.
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