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UPS（Uninterruptible Power System/Uninterruptible Power Supply），即不(bu)(bu)間歇(xie)交(jiao)流(liu)學(xue)習(xi)會電(dian)(dian)(dian)(dian)(dian)(dian)源(yuan)，是(shi)將蓄干手機(ji)電(dian)(dian)(dian)(dian)(dian)(dian)池(chi)箱(xiang)e充(chong)電(dian)(dian)(dian)(dian)(dian)(dian)（大多為鉛酸免保(bao)養蓄干手機(ji)電(dian)(dian)(dian)(dian)(dian)(dian)池(chi)箱(xiang)e充(chong)電(dian)(dian)(dian)(dian)(dian)(dian)）與(yu)主(zhu)機(ji)器(qi)(qi)(qi)系(xi)(xi)(xi)統連到接，用(yong)(yong)主(zhu)機(ji)器(qi)(qi)(qi)系(xi)(xi)(xi)統升壓(ya)器(qi)(qi)(qi)等接口電(dian)(dian)(dian)(dian)(dian)(dian)路整(zheng)體(ti)將直(zhi)(zhi)流(liu)電(dian)(dian)(dian)(dian)(dian)(dian)流(liu)值(zhi)電(dian)(dian)(dian)(dian)(dian)(dian)電(dian)(dian)(dian)(dian)(dian)(dian)轉成(cheng)成(cheng)市電(dian)(dian)(dian)(dian)(dian)(dian)的(de)(de)(de)整(zheng)體(ti)主(zhu)機(ji)器(qi)(qi)(qi)系(xi)(xi)(xi)統。其(qi)主(zhu)要(yao)適用(yong)(yong)于給(gei)單臺計(ji)算的(de)(de)(de)公(gong)式(shi)機(ji)、計(ji)算的(de)(de)(de)公(gong)式(shi)機(ji)wifi網絡整(zheng)體(ti)或其(qi)他一些電(dian)(dian)(dian)(dian)(dian)(dian)業電(dian)(dian)(dian)(dian)(dian)(dian)商主(zhu)機(ji)器(qi)(qi)(qi)系(xi)(xi)(xi)統如電(dian)(dian)(dian)(dian)(dian)(dian)磁波閥、學(xue)習(xi)壓(ya)力液位變(bian)送器(qi)(qi)(qi)等給(gei)予安全(quan)、不(bu)(bu)間歇(xie)的(de)(de)(de)電(dian)(dian)(dian)(dian)(dian)(dian)業現貨供(gong)給(gei)。當市電(dian)(dian)(dian)(dian)(dian)(dian)導入日(ri)(ri)常(chang)(chang)時，UPS 將市電(dian)(dian)(dian)(dian)(dian)(dian)穩(wen)壓(ya)后現貨供(gong)給(gei)給(gei)裝載(zai)的(de)(de)(de)使用(yong)(yong)，這個時候的(de)(de)(de)UPS都(dou)是(shi)幾臺交(jiao)流(liu)學(xue)習(xi)會市電(dian)(dian)(dian)(dian)(dian)(dian)交(jiao)流(liu)學(xue)習(xi)穩(wen)壓(ya)器(qi)(qi)(qi)，一并它還向機(ji)內(nei)干手機(ji)電(dian)(dian)(dian)(dian)(dian)(dian)池(chi)箱(xiang)e充(chong)電(dian)(dian)(dian)(dian)(dian)(dian)e充(chong)電(dian)(dian)(dian)(dian)(dian)(dian)；當市電(dian)(dian)(dian)(dian)(dian)(dian)停止（死亡事(shi)故停水）時， UPS 立(li)即將迎來(lai)干手機(ji)電(dian)(dian)(dian)(dian)(dian)(dian)池(chi)箱(xiang)e充(chong)電(dian)(dian)(dian)(dian)(dian)(dian)的(de)(de)(de)直(zhi)(zhi)流(liu)電(dian)(dian)(dian)(dian)(dian)(dian)流(liu)值(zhi)電(dian)(dian)(dian)(dian)(dian)(dian)交(jiao)流(liu)學(xue)習(xi)電(dian)(dian)(dian)(dian)(dian)(dian)源(yuan)，用(yong)(yong)逆變(bian)零調節轉成(cheng)的(de)(de)(de)具(ju)體(ti)方法向裝載(zai)再繼續現貨供(gong)給(gei)220V交(jiao)流(liu)學(xue)習(xi)會電(dian)(dian)(dian)(dian)(dian)(dian)，使裝載(zai)維(wei)系(xi)(xi)(xi)日(ri)(ri)常(chang)(chang)做工作(zuo)并保(bao)護(hu)裝載(zai)軟、服務(wu)器(qi)(qi)(qi)硬(ying)件受(shou)到損害。UPS 主(zhu)機(ji)器(qi)(qi)(qi)系(xi)(xi)(xi)統經(jing)常(chang)(chang)對電(dian)(dian)(dian)(dian)(dian)(dian)流(liu)值(zhi)過(guo)高或電(dian)(dian)(dian)(dian)(dian)(dian)流(liu)值(zhi)過(guo)低都(dou)能給(gei)予保(bao)護(hu)。