UPS (Uninterruptible Power Supply) yog dab tsi?
A UPS, lossis Uninterruptible Power Supply, yog ib qho khoom siv uas muab lub zog thaub qab thaum lub zog tseem ceeb tsis ua haujlwm. Nws yog ib hom roj teeb thaub qab uas muab lub zog rau cov khoos phis tawj, servers, thiab lwm yam khoom siv hluav taws xob thaum muaj hluav taws xob poob lossis hloov pauv. UPS yog tsim los muab lub zog tsis cuam tshuam rau cov khoom siv hluav taws xob tseem ceeb kom lawv tuaj yeem ua haujlwm txuas ntxiv yam tsis muaj kev cuam tshuam. Lub roj teeb thaub qab yog qhov tseem ceeb ntawm UPS system, lub roj teeb thaub qab muab lub zog rau cov khoom siv txuas nrog thaum lub zog tseem ceeb cuam tshuam.
UPS ua haujlwm li cas?
UPS khaws hluav taws xob hauv nws lub roj teeb thaum muaj hluav taws xob nkag. Thaum lub hwj chim tawm, UPS hloov mus rau lub roj teeb lub zog txiav, thiab cov khoom siv txuas txuas txuas ntxiv ua haujlwm. Thaum lub roj teeb pib poob qis, UPS yuav suab lub tswb kom ceeb toom rau tus neeg siv tias lub roj teeb qis. Tus neeg siv tuaj yeem kaw cov khoom siv los yog txuas UPS mus rau lwm qhov chaw siv hluav taws xob kom rov them lub roj teeb.
Hom UPS
Muaj peb yam tseem ceeb ntawm UPS: offline / standby, kab sib tham sib, thiab hauv online / hloov dua siab tshiab. Txhua hom muaj nws cov yam ntxwv thiab haum rau ntau hom khoom siv.
Offline / Standby UPS: Qhov no yog hom yooj yim tshaj plaws ntawm UPS. Nws tso siab rau lub zog nkag thiab hloov mus rau lub roj teeb lub zog thaum muaj hluav taws xob tawm. Nws muab kev tiv thaiv tsis pub dhau lub zog hloov pauv, thiab lub sijhawm hloov pauv tuaj yeem ua rau muaj kev puas tsuaj rau cov khoom siv sib txuas.
Kab-Kev Sib Tham UPS: Hom UPS no muab kev tiv thaiv zoo dua tiv thaiv kev hloov pauv hluav taws xob los ntawm kev tswj hwm qhov hluav taws xob thiab hloov kho kom hloov pauv hauv qhov hluav taws xob nkag. Nws tseem tiv thaiv overvoltage, undervoltage, thiab muab cov roj teeb tsawg tsawg.
Online/Double Conversion UPS: Qhov no yog hom sophisticated tshaj plaws ntawm UPS. Nws muab kev tiv thaiv txuas ntxiv tiv thaiv kev hloov pauv hluav taws xob los ntawm kev hloov lub zog nkag mus rau DC (Direct Current) thiab tom qab ntawd rov qab mus rau AC (Alternating Current) ua ntej muab rau cov khoom siv txuas nrog. Nws muab kev tiv thaiv qib siab tiv thaiv lub zog hloov pauv, thiab nws yog hom kim tshaj plaws ntawm UPS.
Cov txiaj ntsig ntawm UPS
Qhov txiaj ntsig tseem ceeb ntawm UPS yog tias nws muab lub zog thaub qab thaum muaj hluav taws xob poob. Nws ua kom ntseeg tau tias cov khoom siv hluav taws xob tseem ceeb tuaj yeem ua haujlwm txuas ntxiv yam tsis muaj kev cuam tshuam, txuag lub sijhawm, thiab txo cov kev pheej hmoo ntawm cov ntaub ntawv poob. UPS tseem tuaj yeem tiv thaiv cov khoom siv hluav taws xob tiv thaiv hluav taws xob thiab kev hloov pauv, uas tuaj yeem ua rau cov khoom siv kim thiab ua rau muaj nqi poob qis.