GIẢI PHÁP TÍNH TOÁN VÀ LỰA CHỌN CÔNG SUẤT UPS CHO SERVER
: GIẢI PHÁP TÍNH TOÁN VÀ LỰA CHỌN CÔNG SUẤT UPS CHO SERVER
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How tocalculateandchooseUPSforservercapacity October23, 2014 byadmin cachcapacity propertiesups, computerUPSpower, power estimationups 0Comment
The selection ofUPSandpowerdevicessuitableforITisadifficultproblemforthestaffdoes nothavemuchcapacityisstaticallyUPSthucpowerandUPS. Butwhenthe companyneeds, the choiceisUPSITstaff. Theseissuesneed to be addressedsuch as:Defendinghave1server, 1switch, 1router, it is appropriateto useUPS.....2server, 1printer, tosavepower, the UPSonlineoroffline30min
According to the principleof conservation of energy, the powersupply(UPS) must be greater thanorequalload capacity. Therefore,we firstneed tocalculatethe totalload capacityby:
Make a listofequipmentneededUPSprotection. Determining thecapacityof each deviceVA(if the devicecannotmakepower, we getvoltage(Volt) multiplied by thecurrent(Amp) for each itemin thelistwillbecapacityVA Calculate thetotal capacity ofallVAfacilities. Toensuresomeredundancy. Capacityshould chooseUPScapacityequal to or greaterthanthe sum of20% ofdevices.
In addition, there isoneother factorsaffectingthe choice ofUPSpoweras:
Nominal capacityon the device's maximum capacityifthe devicedoes notusethestockdepletedenergy, accessories, the actual capacitywill be less. UsuallyUPSconsumesonlyabout 50% ofnominal capacity, usuallyeach withthetoolmanufacturer'scalculationstodetermine therelativecapacity ofeachuserconfiguration. IfUPSistheengineloadorlaserprinter, or otherdevice withlargeinrush currents,youshouldcharge extraforUPScapacityto compensate for theenergyspikewhen thedeviceboots. Scalabilityequipmentin a short time, hardware upgrades, serverorretrofitnew productsoftenrequirea higher energy levelthanthe old version. Therefore, youneed topredict thedemand foradditionalcapacityin the shortormedium termtochooseappropriateUPS
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