变(Bian)电(Dian)站(Zhan)“(?)交(Jiao)流(Liu)不(Bu)间(Jian)断(Duan)((?)UPS)(?)电(Dian)源(Yuan)”(?)是(Shi)应(Ying)用(Yong)于(Yu)水(Shui)力(Li)、(?)火(Huo)力(Li)发(Fa)电(Dian)厂(Chang),(?)各(Ge)类(Lei)变(Bian)电(Dian)站(Zhan)和(He)其(Qi)它(Ta)使(Shi)用(Yong)交(Jiao)流(Liu)不(Bu)间(Jian)断(Duan)电(Dian)源(Yuan)的(De)用(Yong)户(Hu),(?)为(Wei)给(Gei)信(Xin)号(Hao)设(She)备(Bei)、(?)保(Bao)护(Hu)、(?)自(Zi)动(Dong)装(Zhuang)置(Zhi)、(?)计(Ji)算(Suan)机(Ji)及(Ji)断(Duan)路(Lu)器(Qi)分(Fen)、(?)合(He)闸(Zha)操(Cao)作(Zuo)提(Ti)供(Gong)交(Jiao)流(Liu)电(Dian)源(Yuan)的(De)设(She)备(Bei),(?)交(Jiao)流(Liu)不(Bu)间(Jian)断(Duan)((?)UPS)(?)电(Dian)源(Yuan)是(Shi)一(Yi)个(Ge)独(Du)立(Li)的(De)电(Dian)源(Yuan),(?)它(Ta)不(Bu)受(Shou)发(Fa)电(Dian)机(Ji)、(?)厂(Chang)用(Yong)电(Dian)及(Ji)系(Xi)统(Tong)运(Yun)行(Xing)方(Fang)式(Shi)的(De)影(Ying)响(Xiang),(?)并(Bing)在(Zai)外(Wai)部(Bu)交(Jiao)流(Liu)电(Dian)中(Zhong)断(Duan)的(De)情(Qing)况(Kuang)下(Xia),(?)保(Bao)证(Zheng)由(You)交(Jiao)流(Liu)不(Bu)间(Jian)断(Duan)((?)UPS)(?)电(Dian)源(Yuan)继(Ji)续(Xu)提(Ti)供(Gong)交(Jiao)流(Liu)电(Dian)源(Yuan)的(De)重(Zhong)要(Yao)设(She)备(Bei)。(?)