低(di)壓(ya)配(pei)電(dian)(dian)箱(xiang)(xiang)的(de)保(bao)養主要是(shi)確(que)保(bao)低(di)壓(ya)配(pei)電(dian)(dian)箱(xiang)(xiang)的(de)正常、安全運行。要對低(di)壓(ya)配(pei)電(dian)(dian)箱(xiang)(xiang)每年(nian)總體檢(jian)保(bao)養。檢(jian)修時應從變(bian)壓(ya)器低(di)壓(ya)側開始。配(pei)電(dian)(dian)箱(xiang)(xiang)斷電(dian)(dian)后,清潔(jie)柜(ju)中灰塵,檢(jian)查(cha)(cha)母線(xian)及(ji)引下線(xian)連(lian)接(jie)是(shi)否良好(hao),接(jie)頭(tou)點(dian)有(you)無(wu)發熱變(bian)色,檢(jian)查(cha)(cha)電(dian)(dian)纜頭(tou)、接(jie)線(xian)樁頭(tou)是(shi)否牢固,檢(jian)查(cha)(cha)接(jie)地線(xian)有(you)無(wu)銹蝕,接(jie)線(xian)樁頭(tou)是(shi)否緊固。所有(you)二次回路接(jie)線(xian)連(lian)接(jie)牢靠,絕(jue)緣符合要求。
電(dian)(dian)(dian)容補(bu)償柜的電(dian)(dian)(dian)容額定電(dian)(dian)(dian)壓(ya)(ya)為10KV,頻(pin)率為50Hz,實際(ji)運行時電(dian)(dian)(dian)網電(dian)(dian)(dian)壓(ya)(ya)不超過額定電(dian)(dian)(dian)壓(ya)(ya)的1.1倍。如果(guo)電(dian)(dian)(dian)網電(dian)(dian)(dian)壓(ya)(ya)過高,應將電(dian)(dian)(dian)壓(ya)(ya)調整至正常(chang)再運行。
禁止電容補償斷(duan)開后又(you)立即投入,這樣對(dui)其(qi)它用電設備和電容補償本身會產生嚴重損害,一般需三分鐘以(yi)上的時間(jian)間(jian)隔,對(dui)于自動投切的電容柜,如果電網功率(lv)因數變化較(jiao)快(kuai),應適當延長時間(jian)。
